i have a 89 cherokee 4.0 auto np231 transfer case dana 30 lock right locker and dana 35 lock right lock front and rear have alloy axle shafts and are twisting 33X13.50R15 superswampers bias ply what i need help on is u-joints for rear driveline upper and lower front drive line lower and H block u-joints and front axle shaft u-joints so pretty much all of the ones you can think of i wanna run OX U-JOINT i heard there the best tell me what ya think or if you know any of these or any other ideaS that DOES NOT involve and axle swap thank you very much