Can you put a 42RLE Auto Transmission 4spd in a 2000 TJ. Need the 4th gear for the highway. 35" tires and 4.88's @ 60mph = 3000rpm's.
I would almost assume it'd be easier to find an AX15 and enjoy the world of manual shifting. Life in manual is more fun anyways
Look at the AW-4 tranny