Originally Posted by FCobra94
Rickstir: you didn't save any of the "good" tires after the first go around? Had you done that, you would have had 3 perfectly good spares...or if they were still fairly new, you could have just ordered one tire from TireRack and asked them to shave it down to match the other three.
My understanding is that for x-drive/ most awd vehicles all 4 tires must have the same diameter. Mixing new and used tires could cause excessive wear on the clutches in the transfer case.