So I installed an AAL and cranked the 5100's up to 2.5. Now I'm getting a vibration at highway speeds and when coasting downhill with foot off throttle, I'm getting a noise that almost sounds like a strong crosswind. My question is: what size axle shims do I get (2 or 3 degree)? Any other recommendations? Also, can I reuse the existing leaf spring bolt (the one that holds the leaf pack together or do I need one with a larger head?
I've attached some pics of my angle at the rear end and at the transfer case.