[tgh117]

I put a 4" lift on mine almost 3 years ago. On my trans crossmember there were some almost spacer looking things between the bolt head and the crossmember, so I took those and used them to space the crossmember down just a hair. I left everything else as it was, and other then needing some extensions for the emergency brake cables, and getting some new brake lines, I didn't do anything driveline angle wise.

My truck is more of a sunny day runner now, so its a rarity if I use 4x4, but everything functions as it should, and there are no vibrations.