Ok guys I recently dropped my truck 4/6 I added the ext cab 2 piece driveshaft because my stock one piece was rubbing...I had the 2 piece balanced and installed everything new ( u joints, carrier bearing)...it vibrates at 30 mph and 60 mph...I can feel it and hear it, what could be the problem?

 

If i were you id take it to a trained professional and let them take all responsibilty for it..... If you measure it will never be right according to 99% of Driveshaft shops, if i had it to do all over again i would have taken my stuff to someone so they can dump tons of money in it trying to get vibrations out!!! Just my thoughts from experience

 

Anybody?

 

Pinion angle?

 

It's -2 its right though...I'm getting the driveshaft rebalanced, hopefully that solves the problem..

 

factory calls for .5-1.5* not 2* also the way the front dshaft slopes downward toward the rear end to have an "inline angle"

im fighting the same thing but i think its bc i have a weight broken loose on my front shaft