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Old 04-10-2015, 09:10 PM   #9
Heavymetl
Registered User
 
Join Date: Feb 2012
Location: Southern Ohio
Posts: 292
Re: E Rod and a 4L65E

I've got a 3.25 9" with a 4L80E.

Granted, I just got the truck driving yesterday, but the 3.25 seems too tall for anything other than highway driving. I don't think you'd be dissapointed with 3.73's.
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1970 C10
Turbo LM7 5.3/LS6 cam
PT7675/4L80E/Holley Dominator EFI/E85
Moser 9" 3.25/4 wheel discs
11.16@121.07
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