Oops. I didn't know it posted. I imagine you need to find axle center and frame center and line up the axles accordingly. Maybe stay spring under. I've heard spring over can get costly. Set you pinion angles and burn it in.
'99 WJ, 4.7L, completely bone stock, except for 245/65/16 tires
'76 Jeep Grand Waggy, 360cid Edle 660cfm/edle intake Quadratrac
'02 Exterra 3.3L, 5-spd, traded YJ for it :(
'89 YJ 2.5L, 5-spd, Borla header, dynomax super turbo muffler, Big-O XT 30x9.5r15
2004 Jeep Liberty Renagade 3.8L 2wd
'86 XJ 2.8L V6, 5-spd manual tranny (My 1st)