There's always the option of putting it in the front, too... w/ hubs unlocked, road handling is 100% unaffected.
Downside is, if you find the need for 4wd on the road, well, it means your front tires are locked... not iideal.

With 200+ Billion electrical parts, the world most complicated machine is inside your own skull.

Question Reality.
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'89 Rnr DLX "SR4.5", 32s w/ 5.29 locked f/r blah blah