C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Rear end question

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Old Sep 1, 2006 | 12:01 PM
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Default Rear end question

I would like to find out if a 1991 rear end w/ 3.07 gears will bolt on a 1989 with auto trans. My 89 has a stock 2.59 rear end and I am looking for more snap from the hole. Any particular problems if they are compatable?
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Old Sep 1, 2006 | 12:50 PM
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Assuming they are both Dana 36 rear ends it should be a bolt in swap, I believe the 3.07 ratio was the performance gear package for A4 cars. You will need to change trans speedo gears to maintain accuracy.
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Old Sep 1, 2006 | 01:48 PM
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Originally Posted by toptechx6
Assuming they are both Dana 36 rear ends it should be a bolt in swap, I believe the 3.07 ratio was the performance gear package for A4 cars. You will need to change trans speedo gears to maintain accuracy.
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