Well, I got my quote for a lift on my truck. 5" RCD, 3" Body, 4.10 gears, Traction Bars, 37" M/T etc. for around $5000. I guess my biggest dilemma is the gears. I have been staddling between 4.10s and 4.56's. With the centrifugal, you would think that 4.56's would be the way to go, i.e. get into the boost sooner. But I did the math, and with 4.10's, I will be turning 50 rpms more at 60 mph (in 3rd) in drive [3.55 LS with 33" M/T's]. Since I do a ton of highway driving, and I can break the rear loose anyways now, 4.10's seem like the choice. What do you guys think?