Elusive vibration

[Mrkentee]

(01-17-2019 )Rawze Wrote:  May or may not be your troubles but just sharing this...

When mine did that, it was the rear most u-joint on the rear axle. It Would only vibrate at certain boost range in certain rpm range. Felt like something in the engine ... Wife swore it was the turbo, I said clutch or driveline. Told her to have it looked at as she was already on the roads ,.. a week later, this was the result...
http://rawze.com/forums/showthread.php?t...7#pid15827

I definitely remember that. But...I have a new jackshaft, 2 new rear diffs, all new yokes, carrier and balanced (as one piece, not separately). Boy oh boy! I don’t know.