Your optimum pinion angle will depend on several factors. One being what control arms you have. Are the solid or rubber bushed? The rubbers will move a little more than the solids, so you would need to go down a little further.
Pinion angle is a relationship between the output shaft of the trans, and the pinion. When you launch your car, the rearend will "wind up". Ideally, when the rearend does "wind up" you want a straight shot between the output shaft and the pinion. This would put both front and rear u-joints completely square with the driveshaft. This is where you have the most efficient power transfer.
andy
__________________
88 coupe
91 LX NMRA Pure Street 5120
|