drivetrain vibration

I have a 97 Wrangler, 4.0, 5 speed, four inch lift with adjustable everything, SYE with an Adams CV driveshaft. Got the pinion angle dialed in, it has the very slightest vibration at 25-30mph, so small that others don't even notice it. At right around 60 and up I get a droning vibration, after...

Good morning and thanks for your help in advance. I just bought my first 97 Jeep Wrangler tj, and im hearing a noise under the jeep when im driving. The faster i go the louder it gets. When i let off the gas it stops. SO this morning im going into the difs to inspect and change the dif oil...

I installed a 2.5" lift on my jeep last weekend and now I have driveline vibrations. Id rather not lower my transfer case, so will a 1" motor mount lift work? I've heard mixed opinions on it