The Supercar Registry
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The Supercar Registry (https://www.yenko.net/forum/index.php)
-   Technical & Restoration (https://www.yenko.net/forum/forumdisplay.php?f=86)
-   -   Eaton Posi assembly date (https://www.yenko.net/forum/showthread.php?t=159670)

luv2sixty9 03-05-2020 12:23 AM
Quote:
Originally Posted by big gear head (Post 1486298)
If it's a 12 bolt Eaton with a '73 date then it would not be an assembly line unit because the 12 bolt was not used after '72.
IDK, it's an original #140 Easton Posi

bcmiller 03-05-2020 02:17 AM
Quote:
Originally Posted by luv2sixty9 (Post 1486406)
The two that I have listed are loose units that I have lying around, so I don't know what they are out of or the actual date.

I was requesting assistance with the stamped date for the cast dates I know how to read.

Ok - I think you decoded the B 1 G correctly. Not sure on the other.

bcmiller 03-13-2020 05:10 PM
Verified G is for 1966 from an original 67 Z28.

HuggerSS 03-13-2020 07:04 PM
Do we know wether “H” or “I” was used for 1968? Mike mentioned that he was not sure if “I” was skipped it the alphabet. Thank you in advance for any clarification!

m22mike 03-13-2020 08:17 PM
Based on post #12 and the photo there of a 1968 unit it looks like ... I....was used. Often times with dates and castings it is not, that is why I said I was not sure.

Mike

big gear head 06-27-2020 07:54 PM
2 Attachment(s)
I'm going to bring this up again. I've got a 12 bolt 2 series Eaton Posi with a code that looks like A 6 70, but could be A 6 7C. Did they change from a letter code to a number code for the year in '70?

ssl78 06-28-2020 02:47 AM
2 Attachment(s)
I have a 11D of 68 car this is the original posi unit

ssl78 06-28-2020 02:54 AM
1 Attachment(s)
rear end date

bcmiller 06-30-2020 10:31 AM
Thank you SSL78.

That shows I was used for both the month and year.

GotGrunt 09-15-2021 07:51 PM
5 Attachment(s)
I’m bringing this thread back to the top because I need help with a date stamp. It looks to be D 3 D, which would be April 3, but I’m not able to figure out the year.


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