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#1 |
Registered User
![]() Join Date: Oct 2012
Location: Newhall CA
Posts: 1,195
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Re: 72 gmc rear end swap
take it to a rearend shop and have them install a posi, you might need a few bearing also like i did. if you have 3.73 don't mess with the ratio. just ad a posi.
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69 SWB 780hp Hellcat powered, manual 6 speed, currie 9 |
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chev, positraction, rear axle |
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