Well, I'm going with 3.92 gears. I pulled a 3.92 sure grip rear end out of an '01 Durango 5.9 R/T from Pull a Part for $128. It's a 29 spline 8.25 that's not leaking and looks pretty clean. Sure, I'll have to have it narrowed, but after an LPW cover and extra strength alloy axles, it should...