I don't thinks so. Its already a dana 44 and I have 4.56 gears in it. Up until now it has been great for me.
1988 XJ, 35" Mickey Thompson Claw TTC, Wagoneer 44 front and rear, Detriot in the rear, Eaton E-locker in the front, X-steer, Ram assist.
*UTAH JEEPCREW #140*