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Discussion Starter · #1 ·
I was wondering what the proper pinion angle(?) on my car should be, it is currently at a positive 5 degrees(The rear diff is pointing toward the sky). I have heard that it is best to have the diff actually be between negative(diff pointing down) 3-5 degrees. If i am right should i invest in a new set of upper control arms to adjust the pinion angle. If so what are the best arms to buy. I currently have ssm uppers and jegs lowers.

My car has massive wheel hop and i heard that this could cause it.
 

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It's hard to believe that it could be that far positive, but most shops set them at 2 to 4 deg negative. Just for the record SSM refers to it as the "included angle between the pinion and driveshaft". In most appications with fox bodies, a 2 to 3 deg down angle of the pinion will suffice. Certainly be better than where you are now, anyway!

Good luck
AJ
 
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