96, 4.0, AW4, 231, 3.5", 30 BFG, 1" TC Drop.....
I added 4 deg shim under the spring yesterday. Pinion angle now perfect, match TC vs Dif, both at 5 deg sitting in my drive way. All vibes Gone. were only very slight before. I could feel them, but others couldn't.
Thing is now my rear end...