Engine/Transmission (1994 - 1998) Drive shaft

[Flying_gage]

Not to confuse the issue, but I had a 93 W350 4x4 with a constant vibration in the same speed range. I did not have the GV on it though. I would still swear to this day that the vibration was emanating from the rear. Changed u-joints and the intermediate bearing without luck. The problem was a sticking right front caliper. Go figure!