4.3-way more power, probably better mpg too, an early 90s are the best
700r4-reliable, easy to replace/parts
np231-most desirable transfercase, look for an early 90s with a manual shifter

the 2.6 manual wont hold up with a 4.3 <img src="/forums/images/graemlins/shiner.gif" alt="" />


'88 Raider, 33" Maxxis, 2" body lift, 10K winch