Too Much Pinion?

devilchicken said

well there is something to overnighting the u-joint caps, most u-joints tightening specifications is a lot less than you would think. AND IF you find that the pinon angle is too low no need to worry they sell angled shims to correct for improper pinon angle so no need to cut and weld new spring/axle perches.

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Step 1. Pull the driveshaft, and check the rearend. Its probably fine, but.....
Next, check both ends of the shaft for bad joints.
If its the pinion angle binding, angled shims is a quick and easy solution. Mine are installed to get the pinion down more, i suspect yours will need to be installed opposite. (Installed in a low 11 sec, 122 mph car). Sbims available from two to six degrees.