Not new to 4x4s but new to this forum. We have 2 Jeep YJs, mine is a 95 on 1 tons and 39.5 tires, 5:38 gears and spring over. My wife has a 92 YJ d30 front with TJ shafts, 8.8 rear on 33s. Both are locked on both ends. Of coerce we did all the work our self, we break em and fix em and go again...