Ok, I continue updating my Jeep and changing some things, this forum has helped me a lot. I don't want to go on too long with this but I need to ask since I don't have the slightest idea about transmission, axles etc... I have had a 2003 Sahara for about 3 months now and I always felt it was slow I thought it was normal until I read a little more In these forums, this jeep has 33x12 tires and a lift that according to a mechanic is 4 inches, the transmission is automatic if I'm not mistaken it is 42rle and on the rear axle it says 3.73. Does anything need to be changed in this jeep regarding the transmission or axles? I don't move on the rocks, it doesn't bother me much to go slowly, but I feel like the transmission shifts strangely, maybe it's just my paranoia and I just need to press the accelerator pedal more. please someone help me on this.