Thread: 3:07 Rear End
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Old 03-20-2018, 06:44 PM   #10
LockDoc
The Older Generation


 
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Join Date: Aug 2006
Location: Montezuma, Iowa
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Re: 3:07 Rear End

Quote:
Originally Posted by Jrainman View Post
I run a 3.08 with a 200 4r in my 68 with no issues, I dont understand when you say they dont play well together , a lot of Chevys' Buicks' and Olds came in this configuration in the 80s and 90s even the 1990 Caprice Police pakage came with a MW9 (200 4r ) Trans and 3.08 rear diff.

I was just posting my first hand experience. It took me two refills of trans fluid before I figured out what was going on. If a person doesn't use the lockup or has a trans oil cooler it might not be a problem, or maybe it was just the bigger vehicle I installed it in, not sure, but no more problems after I changed to the 3.73 with the same transmission.

I don't know anything about the '80's and '90's cars. Maybe they had trans oil coolers. I would bet the police package did. I basically post that info in the 2004r threads I come across so if people have the same problem I did they will know what the cause is..... As usual, everyone is free to try whatever combo they want.

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Last edited by LockDoc; 03-20-2018 at 06:50 PM.
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