We're talking rear driveshaft here. I know the angle at the transfer case should match the angle at the rear pinion, BUT, what happens when you have a 2 piece rear driveshaft with a U-joint in the center? Does it matter where you position that joint (up or down)? Any angles you have to consider here? It seems that regardless of where you position it, you will be introducing some sort of vibratio as the suspension travels up and down as you do not have a 4th U-joint to cancel that one. Anyone?? Thanks, Eric M.