i am getting tires on my 87 iroc 350. i have 17x8 inch iroc wheels. i am wanting a tire that is at least as wide as stock. we are looking for about the same height as stock too without clearance problems. what would go with??

 

245/45/17 is the proper size tire....if your worried about sidewall size if your not a good driver or this is a daily driver i might go 255/45/17 which is slightly taller but you'll have a little thicker sidewall.

 

255/45/17 is the sure way to go. more wall to protect the wheels from road conditions. possibly give you a better ride

 

go to like tire kingdom...or any local tire distributer & they can look up the stock tire size on the computer......& they can tell what you can & shouldnt do with tire sizes

 

I went with 255/40/17's and it comes out to be the same overall tire diameter so you don't have to change your speedo. The ride is almost better than before and I came from 215/65/15's so I don't know.

 

Check this sight out. it is awesome, even tells you how much your speedo will be affected.
Tire size calculator