Thread: 69 GP Rear Diff. question
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Old 01-14-2015, 08:34 AM
Pontiac Drive Pontiac Drive is offline
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Join Date: Sep 2012
Posts: 22
Default 69 GP rear Diff. question
My 70 4 speed G.P. has 3:31 ratio with a 12 bolt. Have owned several of these cars but this is the 1st one with this rear diff. All others have been 10 bolt with 3:23. Just my 2 cents.

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