best thing to do is a lot of research, yes a regear is the ring and pinion in the diff, some can do this in the garage, but it is a special "skill" i guess you could say to get it right, so probably best to have a shop do it. you can add lockers, but they are sold separate from the ring and pinion usually, imo if your going to get a regear done, might as well save up till you have money for the lockers too, get it all done at once and save up on labor costs. sorry but i have no idea what the rpms are for the 3.8
The ONLY chlorophyll JK
one more horse power than the average pentastar;
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