What is the widest 13 inch combo i can run? I'm looking for a good set of autocross rims/tires for CSP, and don't want to have to modify the fenders. I am planning on sticking with 13's. I was looking at 13x6.5s or 13x7s with 215/50-13 ecsta v710s. would i have to roll the fenders for these? I was also looking at 13x8s with 235/45-13 ecsta v700s. Any ideas?

 

I have BFG Radial T/A's P215 50 R13 on my car with no problem, but my car sits a little high.

 

Yea I wouldnt go wider than 13x7 w/ 215 50 R13's

 

I had 13 X 7.5 on Mine With w215 50 R13's They did not rub.

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See here https://www.rx7club.com/1st-generation-specific-1979-1985-18/some-pics-my-83-a-147791/

 

Here is a pic of a set of Revolution wheels I have. I'm not sure about the width of the rim, but they are at least 7" wide, never had the tires off. The tires are 225/45D/13 Hoosier autocrosser's. Tread is at least 8-1/2" wide


And believe it or not, the car is lowered. The tires and wheels were put on just for a pic to see what they looked like.

 

I have 13x7 Revolutions with 225/45-13 Hoosiers. The car is lowered about 2". The backspacking on the wheels is 4". No rubs except occasionally on the sway bar.