rorric

iTrader: (19)

Ok I have a 02 with 9 inch my torque arm is a bmr adjustable. That mounts to the adjustable bmr trans cross member and I am running a 4l80e not sure what the adjustments are suppose to he with the drive angle .. but when it had the 4l60 it didn't vibrate now with the 4l80 I have a vibration at wot . My drive shaft is a mark williams chromoly balanced. If any one can tell me there fix that would be great ..

luigiandme

iTrader: (2)

First thing's first! CHECK PINION ANGLE!

Angle of Driveshaft added to Angle of Pinion. Should be -2.5 with poly bushings. -1 to -2 on solid joints. -3 to -4 on stock bushings.