Originally Posted by TJspeed
You need longer arms with a 4" lift. All 8. You need to adjust your rear pinion angle. And you need a SYE and double cardon drive shaft even with a 1"mml. I have a 3" suspension 1.25"body and 1"mml and I still have vibs.
You need adjustable control arms and your pinion angles must be way off. I'm surprised you haven't killed your ujoints already. The TC drop will help some, but it's not the ideal solution.
What size tires?
Looking at your profile pic you need skinnier rims as well. How wide are those rims?