Thread: coilover shock setup

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Originally Posted by Dave Severson

I like 3 degrees down on the pinon with the intake manifold set level.....

That's the drag racer in Dave sneaking out, tilting the pinion down a few degrees to offset the "wrap" at launch. The OEM setup, and what you'll see from the driveline vendors is that the pinion angle should be equal and opposite to the engine/tranny angle. If your tailshaft is two degrees down then your ideal pinion angle is two degrees up, keeping the U-joint angles parallel to minimize vibration. For a cruiser the charts say it's best if the angles are three degrees or less.