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Tranny decode

Old Nov 21, 2010 | 11:12 AM
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Can anyone tell me which Munice this is from these numbers?

Thanks

392566 Underneath General, there appears to be a series of what looks like braille. 4 dots, 4 dots, 5 dots, cannot make out the last figure.
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Old Nov 21, 2010 | 11:16 AM
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Keep looking...there are more letters/numbers.

Like a P, A, B, or C for Munsie.

For ex., mine is C11S 115026= my vin #.
P1D13A = Muncie 4 speed M20 wide ratio.
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Old Nov 21, 2010 | 02:35 PM
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That's the maincase number, underneath that it should say US PATENT NO. ...... GENERAL MOTORS CORP, to the left of that at a 90 degree angle are the other numbers, they are stamped and difficult to see, mine says P1B17B, the last B looks like a 1 or an E though as the stamp is bad so look carefully mate.

Last edited by aaroncorvette; Nov 21, 2010 at 02:38 PM.
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Old Nov 21, 2010 | 02:39 PM
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http://home.comcast.net/~gtopercy/Pictures/muncie.html
look at sites like this.
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Old Nov 22, 2010 | 08:43 AM
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Default tranny code

thanks to all of you. Next time she's on the lift I will sort it out. The current pic I have of the trans does not allow me to see the other set of numbers
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Old Nov 22, 2010 | 03:36 PM
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Originally Posted by aaroncorvette
Great info.
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