im looking to purchase a 02-04 4 door 4 wheel drive blazer in the near future and i was wondering if anyone had some ideas on how big of a tire you can put under them without a suspension or a body lift. any help would be greatly appreciated

 

I think you are stuck with the stock size without modifying anything, You may be able to go up one size but not sure. somebody with more knowledge will chime in for sure.

 

I think hanr3 has a topic on this but i'm pretty sure he said you can fit 31's without much of a problem, i'd wait for him to reply though.

Doh, I meant 30's, but there's your answer!
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On a stock S10-Blazer you can run 30" tires with the stock wheels or aftermarket wheels with the same backspacing.
To get 31" tires you need 2" of lift.

Check around here. There are a few members that have some really meaty tires on a stock rig and they look badass.

ZR2 come stock with 31" tires.

 

can you go any bigger than 31" on a ZR2?

 

a 255/70/15 (30/10/15is as bigg as you can go stock with jus a little bit of rubbing.

 

I'm running 30x9.50 R15 s and they've yet to rub, even over bumps with the wheels cranked.

 

they barely rubbed with out my spacers and only at full lock goin over a bump or something like that.