340 ID
#2077441
05/21/16 12:24 AM
05/21/16 12:24 AM
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Joined: Mar 2012
Posts: 367 Akron, Ohio
VegasCharger
OP
enthusiast
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OP
enthusiast
Joined: Mar 2012
Posts: 367
Akron, Ohio
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Hello, I have a 340 still in the car and I'm trying to ID it before I pull the engine out of it. It also has headers on it so reading the side of the block would be a challenge. So I went to the front of the LH head and wire brushed off the blue paint so I could read those numbers to help me ID the 340 block. Here's what I got. EW340P28420079 Could someone please break these numbers down? I'm assuming that the 3rd, 4th & 5th characters(340) represent that it is a 340. If I'm wrong on that please explain as well as what the other characters represent. Thanks in advance
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Re: 340 ID
[Re: VegasCharger]
#2077479
05/21/16 01:13 AM
05/21/16 01:13 AM
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Joined: Mar 2011
Posts: 1,655 Cut and Shoot, TX
kentj340
top fuel
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top fuel
Joined: Mar 2011
Posts: 1,655
Cut and Shoot, TX
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EW340P: E=69 model, Windsor engine plant, 340 engine. P also signifies a 1969 340 as found in the VIN of 69 cars born with 340s.
2842: assembled Friday, May 9, 1969 (on Chrysler 10,000 day calendar).
0079: daily sequence no. Maltese cross, if any: undersized main bearings.
If you don't see two dolphins, you need a vacation.
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Re: 340 ID
[Re: DARTH V8Я]
#2077523
05/21/16 02:59 AM
05/21/16 02:59 AM
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Joined: Mar 2012
Posts: 367 Akron, Ohio
VegasCharger
OP
enthusiast
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OP
enthusiast
Joined: Mar 2012
Posts: 367
Akron, Ohio
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Yes blue, now I'm puzzled because didn't the blue 340s start in mid 1971? Here's a pic. The PO painted the 340 green over the blue lol. Is it possible that some 340s got blue paint in 1969? Or did the POs strip the orange paint to paint it blue?
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Re: 340 ID
[Re: VegasCharger]
#2077545
05/21/16 06:30 AM
05/21/16 06:30 AM
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Joined: Mar 2012
Posts: 367 Akron, Ohio
VegasCharger
OP
enthusiast
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OP
enthusiast
Joined: Mar 2012
Posts: 367
Akron, Ohio
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crackedback, kentj340 and DARTH V8R thanks for your input. I pretty much thought I had a 1972 340 due to the blue paint and the intake cast #3614025-1 (see pic below) which states being on a 1972 340-4 instead of cast #2531914. But that's not to say at one point that this 340 had it's original intake removed and then eventually replaced with a '72 340 intake. Here's the link where I got my 340 intake cast # info. http://www.mymopar.com/intakecastnumb.htmThanks again, Bryan
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Re: 340 ID
[Re: crackedback]
#2078439
05/22/16 08:58 PM
05/22/16 08:58 PM
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Joined: Mar 2012
Posts: 367 Akron, Ohio
VegasCharger
OP
enthusiast
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OP
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Joined: Mar 2012
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Akron, Ohio
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The P in the digits designates Premium Fuel.
Yes you are correct. After hours of web surfing I finally found a site that actually breaks down the codes for Mopar small block engine stampings. Although the site is focused on a 318, it has chart with the code breakdowns. Earl Ham Legacy http://legacy.earlham.edu/~byersjo/info.htm Thanks again for all that replied and now I know that I have a 1969 340 that was painted blue from the factory and managed to end up with a 1972 intake. I'll get to know more about it when I can read the castings on the side of the block when I pull the engine out. Bryan
Last edited by VegasCharger; 05/22/16 09:02 PM.
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Re: 340 ID
[Re: VegasCharger]
#2078522
05/22/16 11:30 PM
05/22/16 11:30 PM
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Joined: Nov 2011
Posts: 2,154 Its a TRAP!
DARTH V8Я
Oh No!! I just had a moron attack!
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Oh No!! I just had a moron attack!
Joined: Nov 2011
Posts: 2,154
Its a TRAP!
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I know that I have a 1969 340 that was painted blue from the factory and managed to end up with a 1972 intake. I'll get to know more about it when I can read the castings on the side of the block when I pull the engine out. Bryan What's the cyl.head #'s?
When it takes more than a sweet mullet to prove you rule at the trailer park..
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Re: 340 ID
[Re: DARTH V8Я]
#2078541
05/22/16 11:58 PM
05/22/16 11:58 PM
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Joined: Mar 2012
Posts: 367 Akron, Ohio
VegasCharger
OP
enthusiast
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OP
enthusiast
Joined: Mar 2012
Posts: 367
Akron, Ohio
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I know that I have a 1969 340 that was painted blue from the factory and managed to end up with a 1972 intake. I'll get to know more about it when I can read the castings on the side of the block when I pull the engine out. Bryan What's the cyl.head #'s? Uncertain at the moment. What's the best way to find out?
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Re: 340 ID
[Re: VegasCharger]
#2078545
05/23/16 12:01 AM
05/23/16 12:01 AM
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Joined: Nov 2011
Posts: 2,154 Its a TRAP!
DARTH V8Я
Oh No!! I just had a moron attack!
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Oh No!! I just had a moron attack!
Joined: Nov 2011
Posts: 2,154
Its a TRAP!
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I know that I have a 1969 340 that was painted blue from the factory and managed to end up with a 1972 intake. I'll get to know more about it when I can read the castings on the side of the block when I pull the engine out. Bryan What's the cyl.head #'s? Uncertain at the moment. What's the best way to find out? Take the valve cover off and look for an 7 digit number eg: 3418915. It'll be cast on one of the intake runners.
When it takes more than a sweet mullet to prove you rule at the trailer park..
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Re: 340 ID
[Re: VegasCharger]
#2078604
05/23/16 01:31 AM
05/23/16 01:31 AM
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Joined: Apr 2015
Posts: 101 NV
Mr Gorsky
member
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member
Joined: Apr 2015
Posts: 101
NV
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...Yes you are correct. After hours of web surfing I finally found a site that actually breaks down the codes for Mopar small block engine stampings. Although the site is focused on a 318, it has chart with the code breakdowns. Earl Ham Legacy Another site for engine number decoding. This one gives more info on some of the stamped symbols: http://moparcarparts.com/engineident
Elect a clown, expect a circus.
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Re: 340 ID
[Re: DARTH V8Я]
#2078669
05/23/16 05:45 AM
05/23/16 05:45 AM
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Joined: Mar 2012
Posts: 367 Akron, Ohio
VegasCharger
OP
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OP
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Joined: Mar 2012
Posts: 367
Akron, Ohio
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[/quote] Take the valve cover off and look for an 7 digit number eg: 3418915. It'll be cast on one of the intake runners. [/quote] Okay thanks for that info. It looks like 2531894. 1st pic shows all but the 4. 2nd pic was the best angle I could get to capture the number 4. It also looks like there's another character past the 4 but I can't make it out. So I'm going on the 7 digit factor you suggested. So does that match the 1969 factor? I guess I could search the web but you've been a big help so I will wait for your reply. Thanks
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Re: 340 ID
[Re: VegasCharger]
#2078675
05/23/16 07:48 AM
05/23/16 07:48 AM
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Joined: Jul 2007
Posts: 11,836 Florida
mopar346
Let me tell ya about fat chicks!
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Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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Looks like you have a 69 engine with a 72 intake. Good engine. Get it up and see if you can get the VIN off of the passenger's side pan rail. Get a picture of the balancer to confirm a steel crank (original to 69 engines).
Careful, your character's showing!
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