ok guys i need help. my stock rims on my 99 blazer are 15x7, the tires are 235/70/ 15. i dont know the spacing but found the same rims on e bay and those are 4.75. my question is could i buy some 15x8s to fit my blazer without altering or adding anything , and will the tires fit on the 8's. i am looking at these rims on ebay and would like to buy them so any help is appreciated, what is the biggest tire size i canget on the 8s with no altering and rubbing? thanks

 

Why not try your post in the tire & wheel forum here? You'll probably get good responses faster.