Freaking overwhelmed reading this post about gears. Still unsure what the hell to do. 98 TJ 4.0, ax-15, 3.07 gears. I will probably search for a dana 44 to re gear myself but with 31x10.50x15 all terrain bf Goodrich that say they measure an actual 30.5 inches, is 3.73 good enough or should you...