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Its simple. Shim the trans to get its centerline level at 0 degrees and then shim the rear to the downward degrees you want to run from 2 to 7 down. I always like to get the trans level at 0 first if I can and then once the rear (pinion) centerline is level you know to nose it down to the degrees you want. Myself I feel its easier for most to work with it if the trans centerline is 0. Ron



Whats the easiest way to make sure you've got the centerline of the trans with it installed in the car?

Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street