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trying to figure out differential code

Old Aug 14, 2006 | 04:49 PM
  #21  
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is this is?

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Old Aug 14, 2006 | 05:01 PM
  #22  
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Originally Posted by RPOZ4Z
that will be a little hard to do right now.





bolt in a chair slap on some goggles and go!!!
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Old Aug 14, 2006 | 05:03 PM
  #23  
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looks like I 10 8 .... yes?

should be another number near there ...
casting number 3899143

what's your build date on the car?
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Old Aug 14, 2006 | 05:24 PM
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not a 2 digit month date code on my 70. 1cao61670w(1st shift,370:1,june 16 1970)
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Old Aug 14, 2006 | 05:27 PM
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build date is 12/72
the car is a '73
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Old Aug 14, 2006 | 05:36 PM
  #26  
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Originally Posted by dennis
not a 2 digit month date code on my 70. 1cao61670w(1st shift,370:1,june 16 1970)
yes, '69 has the same kind of code
mine is 2 AN 10 31 68 W

The Chevrolet by the Numbers and Corvette by the
Numbers both have it wrong as far as date codes.

This looks like a julian date code, but may also
be Feb '65?? (2 65).
Except the casting date makes no sense either
as it looks like I 10 8 which would be Sept 10, 1968.


Sorry RPOZ4Z, I just can't figure it out any more...
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Old Aug 14, 2006 | 06:30 PM
  #27  
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Thanks for trying.
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Old Aug 14, 2006 | 07:11 PM
  #28  
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Update:

I did the "spin the tire count the revolutions" trick, It looks like it's a 3:70 ratio.
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