Do you have a angle finder, compass? If so measure the pinion angle and driveshaft angle and let us know what you find yours are, if you don't have one or can't borrow one go get one (beg, borrow or steal one ) and check your pinion and driveshaft angles with the car on the suspension like it driven
Came in here for this. Have you checked your pinion angle? You can exacerbate other driveline vibrations if your pinion angle is bad.
) and check your pinion and driveshaft angles with the car on the suspension like it driven 
