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Old Aug 30, 2008 | 09:56 PM
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Default Matching Numbers
Can anyone tell me how to Identify matching numbers of a 4 speed transmission? Does last four numbers 0f the Vin have to match up with the last four numbers of the casting on the trans? Thanks much!
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Old Aug 30, 2008 | 10:15 PM
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The lower number matches the vin tag and number stamped into the engine pad.

This is a 68 and not knowing what year your vette is or if all were stamped may make my info useless.

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Old Aug 30, 2008 | 10:33 PM
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Originally Posted by DZRick
The lower number matches the vin tag and number stamped into the engine pad.

This is a 68 and not knowing what year your vette is or if all were stamped may make my info useless.
My 72 is that way so I'm guessing they all were.

cc
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Old Aug 30, 2008 | 10:37 PM
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http://www.corvettemagazine.com/1999...2/munciep8.asp
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Old Aug 30, 2008 | 11:52 PM
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1979 M21, all the way at the top readable from the passenger side.
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Old Aug 31, 2008 | 08:42 AM
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Originally Posted by Strom19
Thanks for that info. It is a 1972 but the casting numbers are 392566. Someone told me it had to match up with the vin, true or false?
False, the casting number will be the same for all. The VIN is stamped on each trannie and should match the car as others have said.
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Old Aug 31, 2008 | 08:43 AM
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Thanks for that information!
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