Quote: The only vibration I feel is just before I hit the traps. But I am thinking it is just suspension/wheel balance... ?
I am about to pull the driveshaft, I will check to see if it bottoms out, but I am not sure I understand the play?
Bottom out the shaft in the trans, then when you pull it back to mount it on the diff you shouldnt have more than 3/4" movement.... but if its too long you could be bottoming out in the trans(as the rearend gets closer to the same level the drive shaft is getting pushed into the trans)