I did it the way mopar muscle said to do it and was done with it..... ways to setpinion angle causes alot of grief among racers... go to moparts and in the subject box type " Best Way To Set My Pinion Angle" and look out............
set you car on its suspension put an angle finder on the drivesft and the angle finder on the pinion snubber pad....
driveshaft angle is: 2* down
angle on snubber pad is : 2* up
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0* angle and would need a 4-7* shims to get a 4-7* positve pinion angle (nose down)
I just had an aluminum lowering block cut at a machine shop at the angle I wanted............