Re: Hemi block casting dates
[Re: curbman68]
#2460429
03/03/18 12:39 PM
03/03/18 12:39 PM
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Joined: Jan 2003
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6PakBee
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This is a list I've compiled over the years. Don't see any matches right off the bat.
8/16/1965 1/18/1966 6/14/1966 8/16/1966 8/28/1966 10/10/1966 9/30/1968 1/27/1970 3/18/1974
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: 6bblgt]
#2460803
03/04/18 12:04 PM
03/04/18 12:04 PM
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Joined: Nov 2003
Posts: 597
robertop
mopar
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mopar
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is there a VIN pad stamping area & a "MN" or any other stampings on the bottom?
I can add these "*":
8/16/1965 1/18/1966 6/14/1966 8/16/1966 8/28/1966 10/10/1966 * 1/15/1968 9/30/1968 * 11/18/1968 * 5/10/1969 * 5/26/1969 1/27/1970 3/18/1974 Add the date 4/15/68, the first of them was installed on the first Hemi roadrunner, built on 7/28, Lynch road plant.
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Re: Hemi block casting dates
[Re: 6bblgt]
#2460991
03/04/18 05:33 PM
03/04/18 05:33 PM
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Joined: Jan 2003
Posts: 21,497 N.E. OHIO, USA
A12
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the closest cast 1/15/68 to assembled 3/12/68 dates I have any info on are ~2-months, but most are much longer - that may be due to size of batches & rate at which they were used was it intentional?? the '66 & 1/68 blocks don't have the raised pad for the VIN stamp I think I remember actually seeing a photo of raw just cast Hemi blocks rusting and stacked outside what may have been the casting foundry?? Seems to make some sense to have the cast iron age at least a short time.
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Re: Hemi block casting dates
[Re: hemi71x]
#2461150
03/04/18 09:36 PM
03/04/18 09:36 PM
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Joined: Jun 2004
Posts: 1,672 Virginia
HemiStan
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I have got this block that is cast 1-26-70.
Stan
Last edited by HemiStan; 03/04/18 09:37 PM.
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Re: Hemi block casting dates
[Re: 6bblgt]
#2461182
03/04/18 10:16 PM
03/04/18 10:16 PM
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Joined: Jun 2014
Posts: 1,321 VA
dragon slayer
pro stock
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pro stock
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the closest cast 1/15/68 to assembled 3/12/68 dates I have any info on are ~2-months, but most are much longer - that may be due to size of batches & rate at which they were used was it intentional?? the '66 & 1/68 blocks don't have the raised pad for the VIN stamp I will check again, but I have a 1/15/68 block assembled 24May68 and it has the raised pad for a VIN but it is blank. Vin is in the normal spot for a 68 hemi motor.
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Re: Hemi block casting dates
[Re: hemicar1971]
#2461347
03/05/18 05:29 AM
03/05/18 05:29 AM
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Joined: Jan 2003
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A12
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Can not find the list I have of casting dates for hemi blocks but here are some dates for blocks I owned or know about.
1 17 66 8 23 66 11 11 68 5 19 69 1 20 70 1 21 70
So many blocks cast during 1966 Chrysler likely did not have to cast in 1967. Hmmmmmmmmm wonder if Chrysler just did that to fudge the street Hemi homologation numbers for NASCAR ('66), (and NHRA) after boycotting NASCAR in '65 ....just saying
Last edited by A12; 03/05/18 05:30 AM.
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Re: Hemi block casting dates
[Re: hemicar1971]
#2461412
03/05/18 12:23 PM
03/05/18 12:23 PM
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Joined: Jan 2003
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6PakBee
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...So many blocks cast during 1966 Chrysler likely did not have to cast in 1967. I hate to say always or never but the topic of '67 casting Hemi blocks has been bandied about numerous times. The consensus was that there were NO 1967 castings as none have ever been found. My personal OPINION is that Chrysler thought they were going to sell a lot of Hemi engines in 1966 and when that didn't happen, there was no need for '67 castings as they had plenty left over from 1966.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: hemicar1971]
#2461454
03/05/18 01:39 PM
03/05/18 01:39 PM
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Joined: Jan 2003
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6PakBee
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When it comes down to the 1967 hemi block being cast there were a lot of blocks cast in the 1967 manufacturing year. .... True, but so far no one has produced a block with a 1967 casting date. On a side note, I was curious what day of the week the blocks were cast on. 5/4/1964 Monday 9/24/1964 Thursday 8/16/1965 Monday 8/17/1965 Tuesday 1/17/1966 Monday 1/18/1966 Tuesday 6/14/1966 Tuesday 6/27/1966 Monday 8/16/1966 Tuesday 8/23/1966 Tuesday 8/28/1966 Sunday 10/10/1966 Monday 10/31/1966 Monday 1/15/1968 Monday 4/15/1968 Monday 9/30/1968 Monday 11/11/1968 Monday 11/18/1968 Monday 3/3/1969 Monday 5/10/1969 Saturday 5/19/1969 Monday 5/26/1969 Monday 1/19/1970 Monday 1/20/1970 Tuesday 1/21/1970 Wednesday 1/26/1970 Monday 1/27/1970 Tuesday 5/13/1971 Thursday 3/18/1974 Monday
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: hemicar1971]
#2461533
03/05/18 04:08 PM
03/05/18 04:08 PM
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Joined: Jan 2003
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Rhinodart
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When it comes down to the 1967 hemi block being cast there were a lot of blocks cast in the 1967 manufacturing year. If you look at the casting dates.
6 14 66 6 27 66 8 16 66 8 23 66 8 28 66 10 10 66 10 31 66
There could be more dates to add from June to December in 1966. Also for the longest time the 1967 Hemi Build number were not correct and very low for know built Hemi Vehicles. Not all motors make it into Vehicles and motors were sent to Drag Race Teams, Nascar Teams and for Marine use and the General Public Dealer Counter sales. You mean FOR the 67 model year.
The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it.
JB Rhinehart, Realist
A-Body's RULE!
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Re: Hemi block casting dates
[Re: curbman68]
#2461629
03/05/18 07:28 PM
03/05/18 07:28 PM
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Joined: Jan 2003
Posts: 42,714 Spokane Washington
ScottSmith_Harms
Mr Wizzard
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Mr Wizzard
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As for hemi blocks being cast from January 1st 1967 to December 31, 1967 I have not seen any. That's correct because there were none cast during that time period. *Also, forgot to add one of mine to the list, 3-28-66
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Re: Hemi block casting dates
[Re: Mike W]
#2461679
03/05/18 09:25 PM
03/05/18 09:25 PM
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Joined: Jan 2003
Posts: 1,893 Harriman NY
71GTX471
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The date is definitely 5/19/69. Here is a picture of a matching block. Looks like a dead ringer to me.
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Re: Hemi block casting dates
[Re: curbman68]
#2462023
03/06/18 03:14 PM
03/06/18 03:14 PM
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Joined: Mar 2008
Posts: 16 Danville IN
tomkelly
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Hello all. My name is Tom Kelly and I'm retired from Chrysler. I have some info that may help. I started at the Chrysler Indianapolis Foundry in July 1972 in Production Control. Being the Newby I ended up on night shift taking inventory. At that time there were over 100,000 rough castings of various displacement palleted in the outdoor storage yard and a few thousand more of high demand block in a late storage warehouse on the site. The castings were primarily stacked in rows by displacement. At that time if the engine machining plant called for a quantity of blocks and they were in production, they loaded straight on the trucks and headed to the Engine Plants. We produced all of the V8 (though I do recall some were outsourced to International Harvester Foundry across town in Indy when we couldn't keep up with demand; primarily 318s while I was there.) The B/RBs went to Trenton MI for machining, 318 & 340s to Mound Road MI and the 360 to Windsor Ontario CA for machining and assy. We only did rough grinding of the blocks. Of interest, though no demand in 1972, there were still rough casting 273, 361, early and late style 383, 413. And a few hundred HEMIs still palleted in the yard. I was drafted into the Army in October 1972. We didn't ship any Hemi blocks during my time in 1972 to my knowledge. I had a 69 340 Dart Swinger at the time and was in awe of those HEMIs so kept an eye on them. Also of interest, the Hemi tooling was still in a caged area of the warehouse at that time. I even loved looking at it when walking the area. Regarding usage of blocks, when demand exceeded live production or a block order came in for a casting not being produced at the time (we had two production lines and one was generally dedicated to 318s due to demand) they would be pulled from warehouse first and if none they were pulled from the yard. Yard block were depalleted, hung on conveyor hooks & sent through one of two shot blast machines (Wheelabrator & other was a Pangborn Mfrs). Blocks were put back on wooden pallets (24 small blocks & 18 big blocks per pallet). Also of note, depending on demand old casting date blocks would have set in the yard for a long time before being pulled out for blasting & shipment. That would explain old casting dates with much later machine/assembled stamped dates at the Machine Plants. (To be continued)
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Re: Hemi block casting dates
[Re: curbman68]
#2462045
03/06/18 04:03 PM
03/06/18 04:03 PM
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Joined: Mar 2008
Posts: 16 Danville IN
tomkelly
member
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member
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(Continued) when I got back from the army and called back to the Foundry it was late 1975 and things had changed due to gas/oil embargo etc. Chrysler had tightened its belt and yard storage of blocks was eliminated. Don't remember seeing the HEMI blocks. The out of production blocks were gone too and don't remember seeing that tooling anymore. The plant (originally the American Foundry in the 1890s, before being purchased by Chrysler around 1949 and officially becoming the Chrysler Indianapolis Foundry in 1958) was closed by the 'braintrust' of Daimler in 2005 and subsequently bulldozed. Its rich heritage was producing the 426 Hemi blocks that won the 1964 Daytona 500, thousands of 340s (including the TA and race blocks), 360, 383, 400, 413, 426w, 440 and production 426 HEMIs. Even the 2.2,2.5, 3.9, 3.5 and later 4.0 L Jeep blocks were produced there. I'll end this long winded note with this info: one of the accountants at the plant gave my a copy of the Plant Gross Production Record from 1961 thru closing. Columns list blocks by displacement and I was told the 426w & 426 Hemi could have been combined in 1964 (evidently not all accountants are car guys!). Anyway the list showed the following rough 426 castings poured in the following years (numbers in 000): 1964-3; 1965-3; 1966-11; 1967-0; 1968-6; 1969-3; 1970-3; 1973-1; 1974-1. I have a few more interesting Foundry related docs I'll try to get out here in future. Tom
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Re: Hemi block casting dates
[Re: tomkelly]
#2462085
03/06/18 05:38 PM
03/06/18 05:38 PM
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Joined: Jan 2003
Posts: 17,515 Las Vegas, NV
6bblgt
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Tom, do you know if the yearly counts are stated as "calendar year" or "model year"?
I would think 426 block production was combined for '65 also
from a couple different sources - model year 426 HEMI production cars w/VIN (426 cu.in. production): 1964 ~ 180 1965 ~ 203 (6,929) 1966 ~ 2,731 (3,629) 1967 ~ 1,274 (1,258) 1968 ~ 2,511 (2,400 "rounded to 100s" * & I'd bet B0/L0 not counted) 1969 ~ 2,100 1970 ~ 1,656 1971 ~ 403 (486)
11,058+ 426 HEMI cars
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Re: Hemi block casting dates
[Re: hemicar1971]
#2462365
03/07/18 12:27 AM
03/07/18 12:27 AM
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Joined: Jan 2003
Posts: 17,515 Las Vegas, NV
6bblgt
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no - the 11,058 number is not complete, I'm sure it is short in the 5-10% range (500-1,000 cars) but using those foundry numbers it shows around twice as many HEMIs were cast VS. the number that ended up in a production car what's the timeline - around what year did the 426 HEMI start to outnumber 392 HEMI in dragster/funny car ranks and were those cast iron blocks?
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Re: Hemi block casting dates
[Re: tomkelly]
#2462427
03/07/18 04:23 AM
03/07/18 04:23 AM
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Joined: Sep 2006
Posts: 1,187 USA
big-block-dave
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All, you're very welcome & glad the Foundry info was of interest. By the way I did finally get my own Hemi. My J code 68 Red Road Runner still has its original drivetrain. I pulled the car from a barn lot in 1982 about 5 miles from my home and still have it. Guess I'll have to climb under it now to check its casting date! Another bit of info: when the engine blocks were hooked & pulled out of their sand mold to air cool they were put into trays on a mile long cooling conveyor that snaked overhead all around the plant. Once semi cooled, they were set on vibratory conveyors to shake out the core sand from bores, water jackets, etc. Blocks would occasionally fall off the cooling line trays. If it jammed Maintenance men would have to find it & repair the conveyor. Prior to the plant closing in early 2000 or so, a 1978 440 casting was found in a remote area of the cooling line where it caused no jam and lay for years. It was removed & put on display in our training building lobby. When the plant closed, I got to bring it home. If you think a machined cast iron 440 is heavy you should try lifting a rough casting! Tom Thanks Tom for the great info!!!!! Any pics of that rough casted 440?
I'm the CARETAKER of Weinstats '69 440 'cuda registry and have 104 of the 360 cars to date. 84 fastbacks/20 coupes. Always looking for new(REAL M-code) '69 440 'cudas to add to the registry so drop me a note if any are found or known. This isn't a publicly released registry. Thanks, Dave
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Re: Hemi block casting dates
[Re: hemicar1971]
#2462769
03/07/18 08:32 PM
03/07/18 08:32 PM
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Joined: Mar 2007
Posts: 3,134 tennessee,usa
mattsmopars
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I believe this block came out of the TX9 H6E4 1971 Hemi Challenger. No other information on the car. This is information that I have picked up over 40 years of collecting this stuff and it could be correct. No name of who owns the car now or even it the car still existes or who owned the block in the past. The time period from around January 19th 1970 to the end of the month of January Chrysler ramped up to cast a lot of Hemi Blocks and I even have a 440-6 block cast at this time. My 1971 Hemi Cudas block in cast in this time period also. It is interesting just trying to figure out what happened at Chrysler in 1971 with E body build. Have a few things figured out and then some other information comes out and you wonder how that fits in. This block is from a 1971 challenger that was listed on the 1990 NHOA hemi vin list. The partial to the car is 1B296087, and the name on the list is from 79-82, and is Christian. It would be awesome if this car is still around. Matt
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Re: Hemi block casting dates
[Re: dragon slayer]
#2462771
03/07/18 08:34 PM
03/07/18 08:34 PM
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Joined: Mar 2007
Posts: 3,134 tennessee,usa
mattsmopars
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master
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the closest cast 1/15/68 to assembled 3/12/68 dates I have any info on are ~2-months, but most are much longer - that may be due to size of batches & rate at which they were used was it intentional?? the '66 & 1/68 blocks don't have the raised pad for the VIN stamp I will check again, but I have a 1/15/68 block assembled 24May68 and it has the raised pad for a VIN but it is blank. Vin is in the normal spot for a 68 hemi motor. Dragon Slayer, I may have asked you in the past about the 68 block that you mention, but can you PM me or post the partial vin information off that block. Thank you, Matt
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Re: Hemi block casting dates
[Re: tomkelly]
#2462809
03/07/18 09:50 PM
03/07/18 09:50 PM
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Joined: Nov 2003
Posts: 1,029 Southeast Virginia
68jim
super stock
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super stock
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Southeast Virginia
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My J code 68 Red Road Runner You sir - have an excellent taste in cars! Thanks for the great info. My 68 Runner, 426, column auto, bench seat...
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Re: Hemi block casting dates
[Re: curbman68]
#2463825
03/09/18 04:09 PM
03/09/18 04:09 PM
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Joined: Aug 2004
Posts: 3,392 cheshire, ct
davesmopars
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master
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Thanks Tom for posting all your info and everyone else doing research.
Keeper of the 440 M code Cuda registry mcodecuda@yahoo.com
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Re: Hemi block casting dates
[Re: davesmopars]
#2463837
03/09/18 04:34 PM
03/09/18 04:34 PM
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Joined: Aug 2004
Posts: 3,392 cheshire, ct
davesmopars
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master
Joined: Aug 2004
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I have a Hemi from BO29 car casting date 10 3 66
For some reason I cannot post picture again
Last edited by davesmopars; 03/09/18 05:15 PM.
Keeper of the 440 M code Cuda registry mcodecuda@yahoo.com
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Re: Hemi block casting dates
[Re: ScottSmith_Harms]
#2463908
03/09/18 07:08 PM
03/09/18 07:08 PM
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Joined: Aug 2004
Posts: 3,392 cheshire, ct
davesmopars
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master
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cheshire, ct
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I update my phone and now my pictures are not working again. This happen before and I was able to put my phone to old school settings and that worked. Moparts needs to catch up to speed. I am still trying to fix my phone
Keeper of the 440 M code Cuda registry mcodecuda@yahoo.com
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Re: Hemi block casting dates
[Re: curbman68]
#2464486
03/10/18 10:34 PM
03/10/18 10:34 PM
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Joined: Oct 2005
Posts: 369 Chicago
curbman68
OP
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What a ton of great info, I got the answer I was looking for and a LOT more. Thanks to everyone that contributed
Last edited by curbman68; 03/10/18 10:34 PM.
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Re: Hemi block casting dates
[Re: curbman68]
#2465261
03/12/18 03:46 PM
03/12/18 03:46 PM
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Joined: Aug 2004
Posts: 3,392 cheshire, ct
davesmopars
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master
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Here is the BO29 Block sorry for the poor picture this was the only way I could get it to post
Last edited by davesmopars; 03/12/18 03:53 PM.
Keeper of the 440 M code Cuda registry mcodecuda@yahoo.com
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Re: Hemi block casting dates
[Re: hemicar1971]
#2467993
03/18/18 04:19 AM
03/18/18 04:19 AM
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Joined: Jan 2003
Posts: 17,515 Las Vegas, NV
6bblgt
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8 23 66 Tuesday 8 28 66 Sunday * 5 10 69 Saturday * 5 19 69 Monday 3 26 69 Wednesday * 5 26 69 Monday * I wonder if these are mis-identified? anyone have pics of 8*28*66 3*26*69 or 5*10*69 ?
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Re: Hemi block casting dates
[Re: curbman68]
#2468127
03/18/18 03:18 PM
03/18/18 03:18 PM
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Joined: Aug 2003
Posts: 1,546 Mattituck NY.
FJ6AAR
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pro stock
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Mattituck NY.
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Great topic and an awesome read. For what it is worth, you can add another 5/26/69 to the list as that is what mine is. Rob
1970 Hemi 'Cuda hard top clone
1971 Hemi 'Cuda Convertible clone
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Re: Hemi block casting dates
[Re: srt]
#2468753
03/19/18 08:26 PM
03/19/18 08:26 PM
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Joined: Apr 2005
Posts: 81 Sweden
MikeN
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To answer the post made by member srt earlier in this thread: In 2003 I was in contact with Willem Weertman when trying to find out more about the claimed "high nickel fuel block" of the early 70s.
He gave a long reply that I partly quote:
All the Hemi blocks from the first blocks cast in 1963 to the blocks now being marketed through Mopar Performance have essentially the same metallurgy, which contains nickel.
Chryslers Indianapolis Foundry was the source of all Hemi blocks until the Street Hemi was discontinued in 1971. During this 1963-1971 time span, Indianapolis Foundry was the source of all production V8 castings. The iron metallurgy was exactly the same as all the high volume V-8 Engines. Chryslers block iron was already a nickel-alloy iron, the nickel level being slightly higher than other auto companies block iron. Unlike the high-volume V-8 blocks, all the Hemi block castings, including the Street Hemis, were given an annealing treatment for stress relief. This is noted in the SAE paper 660342, "Chrysler Corporations New Hemi Head High Performance Engines".
After the Street Hemi went out of production, Mopar Performance took over the after-market Hemi block business. Other, small-volume speciality foundries were used and very slight Changes in nickel content did occur - within the Material Standard acceptable limits. If the nickel got a little too high, complaints would come from the tool shops machining the Mopar blocks and from the race teams that the blocks were too hard and were difficult to machine and hone.
Nodular cast iron (also called ductile iron) was never used for any block casting, not even experimentally. However, nodular cast iron has been used for the bearing caps except on some of the first Street Hemi Engines, which used grey iron.
Starting in February 1970, the bulkheads of all blocks were thickened. Your date of Jan 19, 1970 sounds OK.
Soon after Mopar Performance started furnishing blocks, they brought out a siamesed-bore block that was stronger, heavier and allowed larger bore sizes, up to 4,50 inches. This was called a "Fueler" block at the time. Shortly afterwards, aluminum blocks by Donovan Engineering and Keith Black became available and the fuelers switched to aluminum almost 100%.
Mopar Performance continues to offer a non-siamesed "Street" iron block and the siamesed heavier block in the 2002 Mopar Performance Parts Catalog.
I have no information on specific test results using nitromethane. I recall the work was done to generate a spark advance calibration. In all probability, the test engine used stock Street Hemi block. There was no design investigation regarding the block´s ability to handle higher cylinder pressures.
In a second reply he also says:
In looking over the notes I made when talking to Larry (Shepard), I noticed he told me when the casting was changed in February 1970 to the heavier webs, Mopar Performance called the new casting a "Fueler" - to distinguish it from the prior casting. Later, when the siamesed bore block was added, the siamesed block became the fueler and the carry-over block became the Street.
To return to the original subject of the thread: All Hemi D5 blocks I have seen, casting numbers 3577430-1 or -2, have the casting date 1-19-70. Was only one batch made?
Last edited by MikeN; 03/19/18 08:29 PM.
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Re: Hemi block casting dates
[Re: curbman68]
#2469239
03/20/18 05:00 PM
03/20/18 05:00 PM
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Joined: Mar 2011
Posts: 3,069 Michigan
A727Tflite
master
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master
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Hemicar71 - to post pictures on Moparts have them on your device, open a post, click on Switch to Full Reply below the posting area, once there notice again below the posting area "file manager". Click that and then browse to your images and then attach.
Simple and freeeeeeee.......
Last edited by Transman; 03/20/18 05:01 PM.
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Re: Hemi block casting dates
[Re: curbman68]
#2469329
03/20/18 07:39 PM
03/20/18 07:39 PM
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Joined: Mar 2011
Posts: 3,069 Michigan
A727Tflite
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master
Joined: Mar 2011
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Michigan
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Test
Last edited by Transman; 05/06/21 03:42 PM.
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Re: Hemi block casting dates
[Re: curbman68]
#2469330
03/20/18 07:41 PM
03/20/18 07:41 PM
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Joined: Mar 2011
Posts: 3,069 Michigan
A727Tflite
master
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master
Joined: Mar 2011
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Hemicar71 - you are correct - something is broke. Just tried it and no soap.
Sorry - it normally works as easy as I posted.
Maybe the moderators will see this and have it corrrcted.
Ok, I tried again and it worked. Not sure what is going on.
Last edited by Transman; 03/20/18 07:43 PM.
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Re: Hemi block casting dates
[Re: A727Tflite]
#2470693
03/22/18 09:30 PM
03/22/18 09:30 PM
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Joined: Sep 2009
Posts: 1,805 ky hills
thehemikid
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Know of
4-6-64 5-16-74
Last edited by thehemikid; 03/22/18 09:37 PM.
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Re: Hemi block casting dates
[Re: FC7cuda]
#2774656
05/14/20 08:30 PM
05/14/20 08:30 PM
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Joined: Mar 2007
Posts: 2,126 Mobile Al
hemirdrnnr
top fuel
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Mobile Al
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10-31-66. Spooky isn’t it? My 68 roadrunner has this date also.
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Re: Hemi block casting dates
[Re: fastmark]
#2918755
05/05/21 08:25 AM
05/05/21 08:25 AM
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Joined: Jan 2003
Posts: 42,714 Spokane Washington
ScottSmith_Harms
Mr Wizzard
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Fastmark, no, they did not stamp later blocks like that, the pads were blank aside from possible machining notes and the WT (Water Tested Block) which all Hemi blocks were supposed to receive after being tested.
Last edited by ScottSmith_Harms; 05/05/21 08:27 AM.
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Re: Hemi block casting dates
[Re: curbman68]
#2919375
05/06/21 02:30 PM
05/06/21 02:30 PM
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Joined: Aug 2003
Posts: 43,115 Bend,OR USA
Cab_Burge
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That is a Mega block, not a OEM Mopar hemi cast block the cast in M being the key I look at that picture a little closer and maybe that is NOT a M I have a Mega Hemi block motor in my shop now in a 1969 R.R. so I will look at it a little closer later, it definitely has the cast in M on the passenger side, I'll have to look at the casting number on that side of the block
Last edited by Cab_Burge; 05/06/21 02:45 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Hemi block casting dates
[Re: Cab_Burge]
#2919624
05/07/21 10:07 AM
05/07/21 10:07 AM
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Joined: Mar 2007
Posts: 3,134 tennessee,usa
mattsmopars
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That is a Mega block, not a OEM Mopar hemi cast block the cast in M being the key I look at that picture a little closer and maybe that is NOT a M I have a Mega Hemi block motor in my shop now in a 1969 R.R. so I will look at it a little closer later, it definitely has the cast in M on the passenger side, I'll have to look at the casting number on that side of the block What block are you referring to? Matt
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Re: Hemi block casting dates
[Re: Cab_Burge]
#2919640
05/07/21 11:10 AM
05/07/21 11:10 AM
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Joined: Feb 2014
Posts: 1,696 central il.
second 70
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That is a Mega block, not a OEM Mopar hemi cast block the cast in M being the key I look at that picture a little closer and maybe that is NOT a M I have a Mega Hemi block motor in my shop now in a 1969 R.R. so I will look at it a little closer later, it definitely has the cast in M on the passenger side, I'll have to look at the casting number on that side of the block Cab here are the 2 mega block castings 1 has full water jackets the 1 with Mopar is siamese. Mike
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Re: Hemi block casting dates
[Re: 3_RTs]
#2927777
05/28/21 04:24 PM
05/28/21 04:24 PM
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Joined: Jan 2003
Posts: 74,970 U.S.S.A.
JohnRR
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Dragonslayer, do you know when the machined pad was started on the Hemi engines? Which machined pad on which block ?
running up my post count some more .
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Re: Hemi block casting dates
[Re: fastmark]
#2927882
05/28/21 09:28 PM
05/28/21 09:28 PM
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Joined: Jan 2003
Posts: 5,106 Chicago Blackhawks
hemicar1971
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There were some blocks cast in 1974, would have to dig some old Chrysler Performance Books up to remember if there were any long blocks with 1974 Casting or short blocks. I remember Mancini in around 1978 got a few short block Hemis and had them for sale but I dont remember the casting dates on the blocks. The stamping on the bottom of the pan rail I have never come across those markings on another block that was cast in 72-74.The Markings on that pan rail tell the story of the block,.when it was machined, when it was assembled and what number it was assembled at and what year is might of gone into. Since 1974 and up there were no Hemi Vehicles I know of being built the block would be an over the counter something. Top Fuel, Funny Car did not run this block at this time would of been a Keith Black likely for them.
1971 HEMI E BODY REGISTRY
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Re: Hemi block casting dates
[Re: hemicar1971]
#3092965
11/09/22 08:41 PM
11/09/22 08:41 PM
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Joined: Jan 2003
Posts: 10,702 North Dakota
6PakBee
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There were some blocks cast in 1974, would have to dig some old Chrysler Performance Books up to remember if there were any long blocks with 1974 Casting or short blocks. I remember Mancini in around 1978 got a few short block Hemis and had them for sale but I dont remember the casting dates on the blocks. The stamping on the bottom of the pan rail I have never come across those markings on another block that was cast in 72-74.The Markings on that pan rail tell the story of the block,.when it was machined, when it was assembled and what number it was assembled at and what year is might of gone into. Since 1974 and up there were no Hemi Vehicles I know of being built the block would be an over the counter something. Top Fuel, Funny Car did not run this block at this time would of been a Keith Black likely for them. I have an NOS 1974 casting PN 3690010 with the description in the 1973 catalog as 'Hemi Engine - Blown'.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: AAR4Fun]
#3093406
11/11/22 12:16 PM
11/11/22 12:16 PM
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Joined: Jan 2003
Posts: 10,702 North Dakota
6PakBee
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Pics..?
Thought block in my last post was a blower block as well until I recently discovered it's a D5 block. Literally, there is NO information about D5 Blocks outside of what folks have posted. All Hemi blocks at that time were cast here in Indy, but this has a different casting number. As far as I can tell, it is a normal casting with the heavier webs and a relocated exhaust pushrod holes.
Be nice to hear from someone who may know more about the D5 Blocks... Buried in the shop. I'll see if I can get to it, no promises. The only way I had of knowing the PN was that what was on the cardboard box it came it. Box has disappeared over the 30 years I've had the block but I recorded the PN as I recognized even then it was an odd PN.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: 6PakBee]
#3093414
11/11/22 12:33 PM
11/11/22 12:33 PM
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Joined: Jan 2004
Posts: 8,233 fredericksburg,va
cudaman1969
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Some guy awhil back posted that he worked at the foundry that made those blocks and there were many pallet full (a lot) sitting outside, mid 70s or so
Last edited by cudaman1969; 11/11/22 12:34 PM.
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Re: Hemi block casting dates
[Re: 6PakBee]
#3093502
11/11/22 04:20 PM
11/11/22 04:20 PM
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Joined: Mar 2021
Posts: 8 Indy
AAR4Fun
member
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member
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Did some digging today and found out some additional information. Talked to a gentleman in Illinois who was a close friend of Tom Hoover and worked in the racing industry during that time. Yes, there was such a thing as a D5 block for the D5 Heads. He had not seen a D5 block, but know they existed. He suggested talking to Ray Barton, he may know more about it.
Reached out to Ray and yes, they were a Pro Stock block for the experimental D5 head program and had less water jacket in the Intake pushrod area to allow for the relocated intake pushrod closer to the cylinder, thus the different casting number. He mentioned building a few blown drag boat engines using those blocks in the past and use to come across them from time to time. The block will accept regular Hemi heads without modifications, but was designed for D5 heads.
Now, just have to decide what makes sense for it...
Last edited by AAR4Fun; 11/11/22 04:21 PM.
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Re: Hemi block casting dates
[Re: tomkelly]
#3093645
11/12/22 07:58 AM
11/12/22 07:58 AM
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Joined: Jan 2003
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6PakBee
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Hi all. I’m the guy that worked at the Chrysler Indianapolis Foundry, hiring in the plant originally as a clerk in early 1972. There were a few hundred Hemi blocks (non-machined castings) in the storage yard at that time. One of my duties was to inventory the 100,000 +/- castings weekly. I was drafted into the Army in October 1972 so not sure what occurred in ‘73-‘75 but Hemi blocks were gone when I came back. When plant was closing in mid 2000s a friend in Production Control asked if I was interested in some old files and gave me a copy of the plant Gross Production Record sheet issued in July 1997 (see attached). It lists castings (in 1000s) by year and block (Cu. In. Displacement) since 1961 so it covered Chrysler in-house Hemi block production. This would not cover later outsourced (other Foundries) production. When I returned to the plant from the service the Hemi tooling was also gone. Don’t know it’s status. Hopefully I got this Product Record to attach properly. Happy Veterans Day my brothers and sisters! Tom Kelly Tom, to the best of your knowledge, did the Indianapolis foundry use this foundry mark? The reason I ask is that I had a set of 1970 Hemi exhaust manifolds with strange casting dates and what appears to be a foundry mark. After a lot of effort could never definitely identify either.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: tomkelly]
#3093684
11/12/22 11:46 AM
11/12/22 11:46 AM
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Joined: Jan 2003
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6PakBee
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Tom, thanks for the insight.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: tomkelly]
#3095242
11/18/22 02:36 PM
11/18/22 02:36 PM
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Joined: Aug 2003
Posts: 43,115 Bend,OR USA
Cab_Burge
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I haven't read all the posts on this so I'm not sure if anyone made the commit that there were no street hemi blocks cast in 1967? Anyone have or seen one cast in 1967?
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Hemi block casting dates
[Re: Cab_Burge]
#3095950
11/21/22 10:14 AM
11/21/22 10:14 AM
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Joined: Jan 2003
Posts: 10,702 North Dakota
6PakBee
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I haven't read all the posts on this so I'm not sure if anyone made the commit that there were no street hemi blocks cast in 1967? Anyone have or seen one cast in 1967? Don't exist. The '66 castings were still showing up in '68. What I have read is that Chrysler projected they were going to sell considerably more Hemis in '66 than they did and had cast up blocks in '66 based on that projection.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: 6PakBee]
#3096995
11/25/22 11:24 AM
11/25/22 11:24 AM
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Joined: Mar 2007
Posts: 3,134 tennessee,usa
mattsmopars
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I haven't read all the posts on this so I'm not sure if anyone made the commit that there were no street hemi blocks cast in 1967? Anyone have or seen one cast in 1967? Don't exist. The '66 castings were still showing up in '68. What I have read is that Chrysler projected they were going to sell considerably more Hemis in '66 than they did and had cast up blocks in '66 based on that projection. You are correct as far as a rule goes, yes many 10-66 hemi casting found their way into production cars in early 68. But that being said I am going to post an exception. Greg Lane posted a 2-67 cast hemi block that was from a 68 superstock A body on a FB thread. I have personally never seen another 67 casting outside f this example. Matt
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Re: Hemi block casting dates
[Re: mattsmopars]
#3097008
11/25/22 11:58 AM
11/25/22 11:58 AM
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Joined: Jan 2003
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6PakBee
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That had to be some kind of specialty one-of-a-kind block. Had it been part of the normal production casting process one would think it would have had friends. There has been just too much investigation on the existence of 1967 castings to allow only this one to surface. It also seems strange that Chrysler would have had an inventory of 1966 castings available in 1967 and then went ahead and cast a 1967 casting? Why?
I do think it is interesting if you run the casting dates of Hemi blocks you'll find that the vast majority were cast on a Monday or a Tuesday. 2-9-67 is a Thursday.
Last edited by 6PakBee; 11/26/22 08:43 PM. Reason: Edited Day of Week
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: mattsmopars]
#3097162
11/25/22 11:06 PM
11/25/22 11:06 PM
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Joined: Jan 2003
Posts: 5,106 Chicago Blackhawks
hemicar1971
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Feb. 9, 1967 and when did they start to build Hemi A Bodies. Did in 1967 Chrysler start thinking about A Body Race Cars and Cast blocks for a future buld a year later. Most of these blocks are long gone from these cars but I know of a Hemi Barracuda and Dart that I believe has its original motor. The Dart is to far from me to look and the Barracuda has dissappeared from the public but is still local with in two hours if that motor is 100 percent original. Did they stamp a VIN in 1968 on a A Body hemi. Any other pictures of numbers and dates on this block. Greg Lane post the pictures might have to contact him again..
1971 HEMI E BODY REGISTRY
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Re: Hemi block casting dates
[Re: hemicar1971]
#3097209
11/26/22 10:40 AM
11/26/22 10:40 AM
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Joined: Jan 2003
Posts: 10,702 North Dakota
6PakBee
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I Live Here
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Feb. 9, 1967 and when did they start to build Hemi A Bodies. Did in 1967 Chrysler start thinking about A Body Race Cars and Cast blocks for a future buld a year later. Most of these blocks are long gone from these cars but I know of a Hemi Barracuda and Dart that I believe has its original motor. The Dart is to far from me to look and the Barracuda has dissappeared from the public but is still local with in two hours if that motor is 100 percent original. Did they stamp a VIN in 1968 on a A Body hemi. Any other pictures of numbers and dates on this block. Greg Lane post the pictures might have to contact him again.. This is allegedly a Hemi block from a 1968 Hemi car. It was posted on the forum and as such I cannot personally vouch for it's authenticity.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: 6PakBee]
#3097357
11/26/22 08:02 PM
11/26/22 08:02 PM
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Joined: Jan 2003
Posts: 7,477 Minnesota
Hemi_Joel
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I don't know how I missed this one before, awesome thread!
[img]http://i.imgur.com/boeexFms.jpg[/img]31 Plymouth Coupe, 392 Hemi, T56 magnum RS23J71 RS27J77 RP23J71 RO23J71 WM21J8A I don't regret the things I've done. I only regret the things I didn't do. "Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
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Re: Hemi block casting dates
[Re: ro23_j]
#3097435
11/27/22 01:28 AM
11/27/22 01:28 AM
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Joined: Jan 2003
Posts: 5,106 Chicago Blackhawks
hemicar1971
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master
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I know of a couple that have these RO WOs 67s and will ask if there motors are original. I would think that there motors should be cast in 1966 but this is Chrysler.
1971 HEMI E BODY REGISTRY
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Re: Hemi block casting dates
[Re: 6PakBee]
#3097436
11/27/22 01:38 AM
11/27/22 01:38 AM
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Joined: Jan 2003
Posts: 5,106 Chicago Blackhawks
hemicar1971
master
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master
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Feb. 9, 1967 and when did they start to build Hemi A Bodies. Did in 1967 Chrysler start thinking about A Body Race Cars and Cast blocks for a future buld a year later. Most of these blocks are long gone from these cars but I know of a Hemi Barracuda and Dart that I believe has its original motor. The Dart is to far from me to look and the Barracuda has dissappeared from the public but is still local with in two hours if that motor is 100 percent original. Did they stamp a VIN in 1968 on a A Body hemi. Any other pictures of numbers and dates on this block. Greg Lane post the pictures might have to contact him again.. This is allegedly a Hemi block from a 1968 Hemi car. It was posted on the forum and as such I cannot personally vouch for it's authenticity. So what is this block with the VIN stamped on it out of.
1971 HEMI E BODY REGISTRY
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Re: Hemi block casting dates
[Re: hemicar1971]
#3097474
11/27/22 10:03 AM
11/27/22 10:03 AM
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Joined: Jan 2003
Posts: 10,702 North Dakota
6PakBee
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I Live Here
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Feb. 9, 1967 and when did they start to build Hemi A Bodies. Did in 1967 Chrysler start thinking about A Body Race Cars and Cast blocks for a future buld a year later. Most of these blocks are long gone from these cars but I know of a Hemi Barracuda and Dart that I believe has its original motor. The Dart is to far from me to look and the Barracuda has dissappeared from the public but is still local with in two hours if that motor is 100 percent original. Did they stamp a VIN in 1968 on a A Body hemi. Any other pictures of numbers and dates on this block. Greg Lane post the pictures might have to contact him again.. This is allegedly a Hemi block from a 1968 Hemi car. It was posted on the forum and as such I cannot personally vouch for it's authenticity. So what is this block with the VIN stamped on it out of. Have no clue. IIRC, it was just posted to demonstrate where the VIN was stamped on the Hemi blocks pre-VIN pad.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: 6PakBee]
#3097584
11/27/22 04:41 PM
11/27/22 04:41 PM
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Joined: Aug 2003
Posts: 43,115 Bend,OR USA
Cab_Burge
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Didn't Mopar start stamping the 1968 , not before, blocks with the VIN and in some cases the sequence codes on the rear of the blocks on the driver side on the mating surface that the blocks bolted to and on SOME the 1968 blocks on the bottom of the passenger side blocks on the ear surfaces that the oil pans bolted onto that the 7/16 lower bolts to the tranny went through?
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Hemi block casting dates
[Re: Cab_Burge]
#3097594
11/27/22 05:48 PM
11/27/22 05:48 PM
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Joined: Jan 2003
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6PakBee
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Looks like a "window" repair to me.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: 6PakBee]
#3097711
11/28/22 10:19 AM
11/28/22 10:19 AM
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Joined: Mar 2007
Posts: 3,134 tennessee,usa
mattsmopars
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100% that is a repair in the side of the block , but has nothing to do with the casting area. As far as the vin stamping, yes that was started in 1968 and was on the rear of the block flange by the oil pressure switch location. Bad part about that is it is sometimes very difficult to read being a hand stamp onto as cast location. Matt
Last edited by mattsmopars; 11/28/22 10:20 AM.
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Re: Hemi block casting dates
[Re: mattsmopars]
#3097719
11/28/22 10:52 AM
11/28/22 10:52 AM
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Joined: Jan 2003
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6PakBee
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100% that is a repair in the side of the block , but has nothing to do with the casting area. As far as the vin stamping, yes that was started in 1968 and was on the rear of the block flange by the oil pressure switch location. Bad part about that is it is sometimes very difficult to read being a hand stamp onto as cast location. Matt Agreed, it was just a general comment.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: 6PakBee]
#3097763
11/28/22 12:58 PM
11/28/22 12:58 PM
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Joined: Jan 2003
Posts: 5,106 Chicago Blackhawks
hemicar1971
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Block I ask about was put in the G Plant not an A Body. Thats for posting the picture. I am not up on the 1968 builds, know a little but would have to study plenty on the Hemi Builds. I was told that there is a date in 1968 Production when the VIN was stamped on the blocks. Not sure if this is true or not. That would mean the early Vehicle blocks did not get stamped. I know from other years Chrysler made a lot of their changes in production either in or around Oct. or Jan of the build. After finding problems in the early build the Change in Oct and the major changes in Jan of the production year. Chrysler when it came to these blocks did not follow modern was or production. FIFO First in First Out was not followed. From what I understand the block would be put into a storage room and that is were then would stay until needed. Then the worker would just go get what blocks were needed not looking at Casting dates. So if a 1965 block was at the back it might of stayed at the back for a while till the later casting block were used up. I would imagine that this would change during Inventory and things would ge moved around. I also find it funny that no 1967 block cast. I wondered why the casting mold would sit for such a long time from 1966 to 1968 and problems could arise from no usuage, rust, losing the assembly anything can happen when something sits and it not used in a factory it could just get lost. So I thought Chrysler would run some block just to test it or make changes and test them. Remember the early block are a little different from the later blocks, so were these 1967 Casting a version of tests or were they the good stuff that Chrysler used to make sure their Killer Factory Race Car Barracuda and Darts had all the advantages over all others including other Hemis. When I start into this hobby well it was not a hobby when I started many of the Chrysler workers were around and could answer questions. Now we must look into the facts and come up with answers.
This is one reason why this post was created and I might have to add that 1967 casting date to the list.
1971 HEMI E BODY REGISTRY
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Re: Hemi block casting dates
[Re: dragon slayer]
#3097779
11/28/22 01:29 PM
11/28/22 01:29 PM
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Joined: Jan 2003
Posts: 7,477 Minnesota
Hemi_Joel
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Changing a casting date on a block by the factory doesn't seem to make any sense. The only purpose for it that I'm aware of is to track defects.
[img]http://i.imgur.com/boeexFms.jpg[/img]31 Plymouth Coupe, 392 Hemi, T56 magnum RS23J71 RS27J77 RP23J71 RO23J71 WM21J8A I don't regret the things I've done. I only regret the things I didn't do. "Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
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Re: Hemi block casting dates
[Re: 6PakBee]
#3097823
11/28/22 03:36 PM
11/28/22 03:36 PM
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mattsmopars
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100% that is a repair in the side of the block , but has nothing to do with the casting area. As far as the vin stamping, yes that was started in 1968 and was on the rear of the block flange by the oil pressure switch location. Bad part about that is it is sometimes very difficult to read being a hand stamp onto as cast location. Matt Agreed, it was just a general comment. Just so we are on the same page my comment on the side of the block repair was actually in reference to the comment that Cab made about the "casting hump".
Last edited by mattsmopars; 11/28/22 03:36 PM.
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Re: Hemi block casting dates
[Re: Hemi_Joel]
#3097824
11/28/22 03:37 PM
11/28/22 03:37 PM
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Joined: Jan 2003
Posts: 5,106 Chicago Blackhawks
hemicar1971
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Chicago Blackhawks
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The VIN stamp I full understand on how it was done and why changes in the VIN stamping process was changed from full VIN to the year plant number. I know the tool that was used from January 1969 up to the Plants went to a Computer based information system. The only thing on a block I believe changes with the later blocks not 64s and 65s is the Casting Date. I should do a real strong comparison on all my block by the 1966 1969 and both 1970s all look the same. The 1965 block is slightly different. The only thing that changes is the Casting Date that is left when the block is cast. So I would think this piece could be taken out and the numbers changed via year, month day that is was cast. I think there would be in this area a piece that could be remove like I see on the 1965 block but will have to make sure of that and go out and see all the iron block I have or just do a google search for Hemi Block Casting Dates and use those pictures. I have a pictures of the 1963 block and a few 1970 blocks but were it is stored is gevin me a hard to to retrieve. So we could look back on this thread of start posting the location of the castin date to compare.
1971 HEMI E BODY REGISTRY
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Re: Hemi block casting dates
[Re: dragon slayer]
#3097836
11/28/22 03:56 PM
11/28/22 03:56 PM
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Joined: Mar 2007
Posts: 3,134 tennessee,usa
mattsmopars
master
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master
Joined: Mar 2007
Posts: 3,134
tennessee,usa
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I have been told by some old timers and have actually met some one who stamped blocks to match car vins; that even casting date could be changed. Looking at that 67 block the casting date is raised almost as if on a pad compared to many of the other examples. Almost looks like a welding across the top. I am no hemi casting expert but it does look different and someone did have it repaired at one point. I see no major issue with the casting date area , to modify that area and it to still look as cast would be very difficult to do. I am sure blocks have been modified, I have seen several poor attempts at stamping vins to match cars, and most really are obvious. That said could someone modify one, I am sure that could be done, but might be harder to cover up with no paint on the block. I mentioned in the original post on the block that I thought it was more of an exception considering that the idea was they were supposed to have not cast any blocks in 67. I have looked at a ton of hemi blocks over the years either in person or online, and i can say i have never seen another block cast in 67. Before this I would have said the last batch of 66 blocks were cast on 10-31-66 and the next batch of hemi blocks were done on 1-15-68. Matt
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Re: Hemi block casting dates
[Re: mattsmopars]
#3097849
11/28/22 04:58 PM
11/28/22 04:58 PM
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Joined: Jan 2003
Posts: 10,702 North Dakota
6PakBee
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,702
North Dakota
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A hemi block from a 67 car I looked at today. I will post the casting date and the assembly date. Matt Even these are hard to find. I bought my '67 without an engine and looked for a CH block for years. And when I say years, I mean a decade. Never found one that hadn't been windowed in a hole or in the side of the block. Settled for a '66 casting block cast before my car's SPD that was apparently an over the counter replacement as the pan rail is not stamped and the only stamping on the distributor pad is the "WT".
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Hemi block casting dates
[Re: 6PakBee]
#3097852
11/28/22 05:08 PM
11/28/22 05:08 PM
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Joined: Mar 2007
Posts: 3,134 tennessee,usa
mattsmopars
master
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master
Joined: Mar 2007
Posts: 3,134
tennessee,usa
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A hemi block from a 67 car I looked at today. I will post the casting date and the assembly date. Matt Even these are hard to find. I bought my '67 without an engine and looked for a CH block for years. And when I say years, I mean a decade. Never found one that hadn't been windowed in a hole or in the side of the block. Settled for a '66 casting block cast before my car's SPD that was apparently an over the counter replacement as the pan rail is not stamped and the only stamping on the distributor pad is the "WT". I totally agree with you blocks or engines from 67 cars are far more difficult to find than say 66 engines. This engine is in a local shop to have some work done, but going back into a 69 RR, unsure if its an original hemi car or not. I have seen a couple 67 engines that were mis-stamped on the top pad to read HC 426 rather than the correct CH 426. There seem to be several irregularities with stampings when you get to looking. Matt
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Re: Hemi block casting dates
[Re: mattsmopars]
#3097869
11/28/22 06:04 PM
11/28/22 06:04 PM
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Joined: Jan 2003
Posts: 5,106 Chicago Blackhawks
hemicar1971
master
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master
Joined: Jan 2003
Posts: 5,106
Chicago Blackhawks
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I have been told by some old timers and have actually met some one who stamped blocks to match car vins; that even casting date could be changed. Looking at that 67 block the casting date is raised almost as if on a pad compared to many of the other examples. Almost looks like a welding across the top. I am no hemi casting expert but it does look different and someone did have it repaired at one point. I see no major issue with the casting date area , to modify that area and it to still look as cast would be very difficult to do. I am sure blocks have been modified, I have seen several poor attempts at stamping vins to match cars, and most really are obvious. That said could someone modify one, I am sure that could be done, but might be harder to cover up with no paint on the block. I mentioned in the original post on the block that I thought it was more of an exception considering that the idea was they were supposed to have not cast any blocks in 67. I have looked at a ton of hemi blocks over the years either in person or online, and i can say i have never seen another block cast in 67. Before this I would have said the last batch of 66 blocks were cast on 10-31-66 and the next batch of hemi blocks were done on 1-15-68. Matt I would think the exact say way. From what I have seen since lets say early 70s when none of this was very important it now has changed because of people doing fraulent stuff. From them doing this WE meaning the Hobby has taken time to look at things and to come up with the normal stuff at or from Chrysler. With this block and with who the picture came from I would have to believe it Greg says it is real it likely is a 1967 cast Hemi. Take a look at his Web site and it is full of Chryslr race stuff information and this is what he has dealt with over the years. I myself have sent he a lot of pictures of stuff I got of Arlen and bought from others that I had no clue how to tell any dates from it. He decoded my 1965 Hemi block and he was so interested in adding this information to what he has amassed. He also loved the pictures of my super early 1963/4 early production Hemi heads, sent him 64 and 65 pictures of Hemi Flywheels. Getting back the 1965 block, I think Chrysler might of cast these as a special build for these A Body Race Cars. They were a latter build in the 1968 so if they were not completely hand built should of got a serial number on them but these motors might of been hand built. There are others that are not on this board that might be able to add information about the blocks and I only see them a the Drag Strip and even then they are not the show car typle they are the go mid to low 8s type.Need to keep post now and then on this post and keep it present every now and then.
1971 HEMI E BODY REGISTRY
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Re: Hemi block casting dates
[Re: hemicar1971]
#3097901
11/28/22 07:41 PM
11/28/22 07:41 PM
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Joined: Jan 2003
Posts: 5,106 Chicago Blackhawks
hemicar1971
master
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master
Joined: Jan 2003
Posts: 5,106
Chicago Blackhawks
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I will have to did up all the number of 68 Hemi A Bodies. There were batches of each. It was either three batches of number for one or the other and since I was looking at buying a Dart, all the SO numbesr ran in a row also with the serial numubers and I think about 10 numbers behind. Long time ago so I could be off. I believe these Hemi A Bodies were built in March April of 1968. I think without looking numbers up that they were around 280000 and up. I was also wondering if Chrysler ran a special build for RO and WO rans in 1967. I have not seen many Hemi Block for sale that came out of a 1967. I have a 1966 block that came with everything 1969 and that motor ended up in my Challenger so I could run it harder. Lots to learn hear and still learning after 40 years of this stuff.
1971 HEMI E BODY REGISTRY
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Re: Hemi block casting dates
[Re: hemicar1971]
#3097970
11/29/22 12:14 AM
11/29/22 12:14 AM
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Joined: Jan 2004
Posts: 8,233 fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,233
fredericksburg,va
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I will have to did up all the number of 68 Hemi A Bodies. There were batches of each. It was either three batches of number for one or the other and since I was looking at buying a Dart, all the SO numbesr ran in a row also with the serial numubers and I think about 10 numbers behind. Long time ago so I could be off. I believe these Hemi A Bodies were built in March April of 1968. I think without looking numbers up that they were around 280000 and up. I was also wondering if Chrysler ran a special build for RO and WO rans in 1967. I have not seen many Hemi Block for sale that came out of a 1967. I have a 1966 block that came with everything 1969 and that motor ended up in my Challenger so I could run it harder. Lots to learn hear and still learning after 40 years of this stuff. I’ve always heard 50 of each and that was it, no more were made. One guy who worked down the street from the place said their whole back lot was full of Darts and barracudas. Sold with bill of sale and non street-able, no vin like regular cars. I was 18, broke and couldn’t pay attention. Also that March date would fit with the 68 block date I had.
Last edited by cudaman1969; 11/29/22 12:16 AM.
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Re: Hemi block casting dates
[Re: cudaman1969]
#3098461
11/30/22 06:01 PM
11/30/22 06:01 PM
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Joined: Jan 2003
Posts: 5,106 Chicago Blackhawks
hemicar1971
master
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master
Joined: Jan 2003
Posts: 5,106
Chicago Blackhawks
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The number i have written down For Hemi A Bodies and it might just be want was known a long time ago like 40 years ago is that Chrysler built 80 LO23 Darts and 70 BO29 Barracudas. So looking at that I could of been 3 lots of Darts and 2 lots of Barracudas. I am still looking for my information. I have given most of that information Vins and stuff to other people over the years and only collect 1971 Hemi E Body Hardtop information.
Last edited by hemicar1971; 11/30/22 06:02 PM.
1971 HEMI E BODY REGISTRY
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Re: Hemi block casting dates
[Re: hemicar1971]
#3098672
12/01/22 02:12 PM
12/01/22 02:12 PM
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Joined: Sep 2003
Posts: 19,336 north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 19,336
north of coder
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several years back, i reunited this card with the current [at the time] caretaker of this car. the card fell into my hands by a surprise twist of fate when a friend of mine's boy bought a tool box at an estate auction. the young fellow dropped the card off here, telling me he had no use for it, and thought it deserved to live here with the rest of my memorabilia. i didn't look close at it until a week or so later, and just about fell out of my chair when i realized what it was !
Last edited by moparx; 12/01/22 02:13 PM.
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Re: Hemi block casting dates
[Re: AAR4Fun]
#3098689
12/01/22 03:02 PM
12/01/22 03:02 PM
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Joined: Apr 2005
Posts: 81 Sweden
MikeN
member
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member
Joined: Apr 2005
Posts: 81
Sweden
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tomkelly,
You know/remember if there was any smart coding in the casting numbers? EXAMPLE: 1st so many numbers were the casting plant...
Trying to track down any info on a block and noticed the 1st 4 casting numbers of the block (3577430) happen to be the same as the 1st 4 numbers of the 340 TA Block (3577130TA).
Please advise. One way to estimate the production of D5 blocks is that all of them seem to have the same casting date (Jan 19 1970). The few casting times I can find (on your block and a -2 block, see pics) show the same, noon. Also found a picture of another -2 block, also cast Jan 19 at noon. Tomkelly: How many blocks were usually cast in a batch?
Last edited by MikeN; 12/01/22 03:10 PM.
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Re: Hemi block casting dates
[Re: MikeN]
#3099084
12/02/22 09:39 PM
12/02/22 09:39 PM
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Joined: Jan 2003
Posts: 5,106 Chicago Blackhawks
hemicar1971
master
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master
Joined: Jan 2003
Posts: 5,106
Chicago Blackhawks
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This is of January 19 20 21 and a few other in January they cast plenty of block that ended up in 1971 Hemi Cars. My November 5th 1970 1971 Hemi Cuda has a cast date of either 19 or 20 of January 1970. I also off all things have a 1971 440-6 block that was cast January 20, 1970. So Chrysler was raping up cast both Hemi and 440 block in January of 1970. After these block were used up things started to get unconventional with Cast Dates. My 1971 Hemi Challenger has a Casting date in 1969 and was built in June of 1971. Lots of other build in June of 1971 both E and B Bodies have the 11 11 68 casting on the blocks. This is one example of Chrysel not used First in First out FIFO and was just grabbing the first block closest to the door.
1971 HEMI E BODY REGISTRY
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