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Hemi block casting dates #2460403
03/03/18 11:18 AM
03/03/18 11:18 AM
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curbman68 Offline OP
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Is there a list anywhere of known casting dates for Hemi blocks? Have a block that the year is ground down, month and day are still there though.

IMG_0631.JPGIMG_0632.JPG
Re: Hemi block casting dates [Re: curbman68] #2460429
03/03/18 12:39 PM
03/03/18 12:39 PM
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North Dakota
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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


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Re: Hemi block casting dates [Re: 6PakBee] #2460528
03/03/18 03:58 PM
03/03/18 03:58 PM
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Las Vegas, NV
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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

Re: Hemi block casting dates [Re: 6bblgt] #2460531
03/03/18 04:08 PM
03/03/18 04:08 PM
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N.E. OHIO, USA
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Is there any truth to what a friend and '70 Hemi Cuda owner once told me that Hemi blocks were "aged" in outdoor storage for months after casting and before engine assembly?


Mike

Re: Hemi block casting dates [Re: 6bblgt] #2460570
03/03/18 06:36 PM
03/03/18 06:36 PM
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curbman68 Offline OP
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Thanks for the responses, I'm thinking the 5/10/69 looks pretty likely, I was thinking it might be a 5/19, but it could be either a 9 or a 0. It an NOS over the counter block, so no numbers I can see anywhere. Only the normal WT on the pad

IMG_0649.JPGIMG_0648.JPGIMG_0647.JPG
Re: Hemi block casting dates [Re: curbman68] #2460589
03/03/18 07:35 PM
03/03/18 07:35 PM
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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 work was it intentional?? shruggy

the '66 & 1/68 blocks don't have the raised pad for the VIN stamp

Re: Hemi block casting dates [Re: 6bblgt] #2460803
03/04/18 12:04 PM
03/04/18 12:04 PM
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Originally Posted By 6bblgt
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.

Re: Hemi block casting dates [Re: curbman68] #2460935
03/04/18 03:29 PM
03/04/18 03:29 PM
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Here are a few to add

5-4-64
9-24-64
8-17-65
1-17-66
6-27-66
3-3-69

Re: Hemi block casting dates [Re: 6bblgt] #2460991
03/04/18 05:33 PM
03/04/18 05:33 PM
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Originally Posted By 6bblgt
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 work was it intentional?? shruggy

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.

Re: Hemi block casting dates [Re: curbman68] #2460994
03/04/18 05:38 PM
03/04/18 05:38 PM
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Re: Hemi block casting dates [Re: curbman68] #2460995
03/04/18 05:38 PM
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curbman68 Offline OP
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I can also add 5-13-71

Re: Hemi block casting dates [Re: curbman68] #2461057
03/04/18 07:38 PM
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Re: Hemi block casting dates [Re: JRepucci] #2461137
03/04/18 09:04 PM
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That casting date is also the same for the 71 Hemi GTX,
4 speed car, that i owned for 28 years.
Original engine to the car.


RF-4C Phantom 69-370 Zweibrucken, Germany

Re: Hemi block casting dates [Re: hemi71x] #2461150
03/04/18 09:36 PM
03/04/18 09:36 PM
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Virginia
HemiStan Offline
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I have got this block that is cast 1-26-70.

Stan

82518E79-05E6-40ED-9984-67D6234F90B5.jpeg
Last edited by HemiStan; 03/04/18 09:37 PM.
Re: Hemi block casting dates [Re: 6bblgt] #2461182
03/04/18 10:16 PM
03/04/18 10:16 PM
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Originally Posted By 6bblgt
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 work was it intentional?? shruggy

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.

Re: Hemi block casting dates [Re: HemiStan] #2461188
03/04/18 10:24 PM
03/04/18 10:24 PM
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Originally Posted By HemiStan
I have got this block that is cast 1-26-70.

Stan


I turned 17 years old on that date. lol


RF-4C Phantom 69-370 Zweibrucken, Germany

Re: Hemi block casting dates [Re: JRepucci] #2461189
03/04/18 10:24 PM
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hemicar1971 Offline
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Re: Hemi block casting dates [Re: curbman68] #2461218
03/04/18 11:45 PM
03/04/18 11:45 PM
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10-31-66. Spooky isn’t it?



68 Charger
70 Cuda
Re: Hemi block casting dates [Re: curbman68] #2461262
03/05/18 12:36 AM
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4/15/68 needs to be on there

Re: Hemi block casting dates [Re: curbman68] #2461339
03/05/18 04:28 AM
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