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Re: Q: Tire wear on 4kq
> Someone posted a while back that all 4 tires need to be equally worn on
> a q, or you damage the center diff.
For minor mis-matches in tire diameter, you won't damage the center diff --
once it's locked, it's as if it isn't there -- but you might increase wear on
the driveshaft center bearing, the front or rear diff (depending upon which
wheel is involved) and the CV joints/axle shafts to the affected wheel. The
degree to which it increases wear depends upon how large a difference in
diameter exists ... as I recall, though, anything less than 2% should be fine
under most circumstances.