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You could put a locking rear differential in it. I believe there's one made that will work. In traction-challenging situations, that will work even better than a limited-slip. And if you have a limited slip, you can't convert it to locking. So you're all set for a locker. Basic ones are not terribly expensive.
Yes, it's always been my irritated opinion that on-demand 4wd systems without at least a limited slip or locker on the back are a stupid waste of money. It's like using bald tires, makes the 4wd ineffective. Adding limited slip is only, say, an $80 increment in a $2000-3000 system.
Our PF has limited slip, and it also helps a lot in 2wd on this light-rear ended vehicle. Whether an Xterra has it would depend on the model and options. So do, some don't. Up to the '05 model, and except for the rear suspension, the Xterra has the same chassis as the first generation Pathfinder.
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'91 Pathfinder SE 5spd (now sold)
'06 Suzuki Grand Vitara JLX-L
Last edited by X-Traction : Mar 24th, 2005 at 04:23 PM.
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