I've had several lowered Tahoes, Suburbans, Yukons, a Silverado 1500, 2500, and 3500. But never a 4wd. Right now it's lifted 3" on 32" BFG mud terrians. I have some keys that were on my 04 GMC Yukon XL that I was going to put in this truck, along with a shackle and possibly pull a leaf out to...