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Originally Posted by Brimow525
OK, upon further thought, I think I'll keep the Eaton in the truck. My new question is, if I have to move the spring perches, how can I put them back on correctly so that my truck doesn't "crab walk"?
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Measure, measue, measure.
You have to measure between the brake mounting flange and then set the pinon angle. The check by X measure from the sping purch to a fixed common point on the oposite frame rail. Really if the distance side to side is the same it shoudl not dog leg. If it does then the problem is usualy with the springs not the axle.
When you set the pinion angle you want to measure the down angle of the out put shaft of the tranny if it's a single peice drive shaft and set the up angle on the pion the same the trun the pinion down 1 degree to account for the pinions tendancy to want to climb the ring gear. Should run smooth. In the case of a two peice drive shaft you want the pinion agne to be the same as the angle on the middle U'joint at the carrier bearing. There should be no more then 1 degree if angle at the u-joint at the transmission.