Join Date: Mar 2003
Location: East Texas
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Re: largest size tires i can fit on my s10
I have 265/70r15's on my wifes S10 4x4. On the older body styles (pre '94) the backspacing was different on 2wd vrs 4wd and the 2wd couldn't run as big of tire without rubbing. The newer ones may be the same.
I had a 91 s10 4wd that I mounted a bald 265/75r15 that I got free on the spare rim and run it on the front for a few miles to see if it would rub. I replace two fender bolts with dome head bolts for better clearance and made it work. I then ordered a set of 255/75r15 pirelli's that worked real good.
Just guessing, with yours being 2wd, I would have to say 255/70r15 would be as big as you could go without modifications. But I would mount an old tire to check it before spending the money.
Sorry I couldn't be of more help. Both of mine with the body style of your 98 are 4wd.