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

ring and pinion

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Old Sep 22, 2021 | 03:42 PM
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Default ring and pinion

best source for rear end gears. I have an 85 automatic looking to go with 3.07 or 3.27?
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Old Sep 22, 2021 | 04:18 PM
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Originally Posted by Mpin67
best source for rear end gears. I have an 85 automatic looking to go with 3.07 or 3.27?
Jegs or Summit have most of r&p's from the major companies. I would go to at least a 3.42 or 3.55 if you are going to spend that kind of money!
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Old Sep 22, 2021 | 05:38 PM
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Hey I could be wrong but don't most 85's already have 3.07's? I went with 3.73's and I love them.
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Old Sep 22, 2021 | 06:59 PM
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Get a used pumkin for it.
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Old Sep 23, 2021 | 06:32 AM
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Originally Posted by ex-x-fire
Get a used pumkin for it.
If that's the route the OP wants to go I just so happen to have a very nice Dana 36 with 3.07's for sale on ebay right now. You can see it here

Nice part about doing it this way is that you could sell your old diff and make almost all of your money back.

Last edited by Phobos84; Sep 23, 2021 at 12:38 PM.
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