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post #1 of (permalink) Old 07-24-2006 Thread Starter
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nitrous36's Avatar
Joined: Jun 2006
Posts: 64
Ford Racing posi lock.

I thought about getting the posi traction unit from rpm outlet. Heres a link. it good and is it worth it? Do I need friction modifier and new gears? What wall will I need to go with it? And is the stock diff 7.5" or 8"? I was thinking about going 3.73 gears how much will that hurt mpg? Any help appreciated.

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