Author Topic: Cast Date  (Read 10092 times)

L78 steve

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Cast Date
« on: January 21, 2015, 06:01:01 PM »
Can anyone make out this cast date? Its on a 65 or 66 396 375\425HP block.
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cook_dw

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Re: Cast Date
« Reply #1 on: January 21, 2015, 06:05:54 PM »
Looks like I 30 5

L78 steve

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Re: Cast Date
« Reply #2 on: January 21, 2015, 06:13:15 PM »
I thought GM didn't use I.
69 Z/28 Dover White. SOLD
67 SS/RS Mt. Green 1W,2LGSR,3SL,4K,5BY,07C. SOLD
70 Nova L78 Blk. Cherry,Sandalwood,M21,02B

cook_dw

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Re: Cast Date
« Reply #3 on: January 21, 2015, 06:19:50 PM »
I guess it could be a L also but sure looks like an I..  Whats the pad stamp say?

L78 steve

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Re: Cast Date
« Reply #4 on: January 21, 2015, 06:46:41 PM »
The pad was decked and now wears a bogus stamping.
69 Z/28 Dover White. SOLD
67 SS/RS Mt. Green 1W,2LGSR,3SL,4K,5BY,07C. SOLD
70 Nova L78 Blk. Cherry,Sandalwood,M21,02B

Gramps69Z

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Re: Cast Date
« Reply #5 on: January 21, 2015, 07:48:23 PM »
May need to remove some paint to get a better look at it.
" I " was used on cast not stamped.

http://www.camaros.org/numbers.shtml#GM-InternalDateCodes
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bergy

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Re: Cast Date
« Reply #6 on: February 13, 2015, 09:19:44 PM »
Those date tags were eventually relocated just because of the legibility problem (took a while though!).  The pattern spray would puddle in the tag & sand stuck in the number/letters.  Having the date in the drag would also allow loose sand to fall into the characters.  When it was moved to the cope, the mold machine operator would clean the date tag every time he indexed the hour tag.

bcmiller

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Re: Cast Date
« Reply #7 on: March 19, 2015, 04:00:06 PM »
That was great information. Thanks bergy.
Bryon / 1968 Camaro SS 396 coupe - now old school 468 big block
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HawkX66

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Re: Cast Date
« Reply #8 on: March 20, 2015, 02:09:38 PM »
Looks like it's upside down. G 09 7 maybe. If it's not upside down, it would have to be 1, 2 or 3 for the second digit because of the zero right? It doesn't like one of those.
Dave
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dannystarr

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Re: Cast Date
« Reply #9 on: March 20, 2015, 02:33:11 PM »
Don't remove all the paint, just the tops of the numbers. That will pull them out better to start. Just my 2 cents. Here it is closer and upside down and sideways... D

BULLITT65

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Re: Cast Date
« Reply #10 on: March 20, 2015, 06:56:51 PM »
Maybe a rough cast E?
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dannystarr

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Re: Cast Date
« Reply #11 on: March 20, 2015, 10:25:46 PM »
Whoops, was in a hurry to get to work. Here is the other pic up-side-down.. D

firstgenaddict

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Re: Cast Date
« Reply #12 on: March 25, 2015, 01:04:24 AM »
I 30 5 is what I see as well.
James
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