295 vs 315?

wastntim

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I have a set of SSR's that I use for the track. I have been running kuhmo's and love them, but there are a couple of drawbacks. Side sills really take a beating, rubber all over car, and, finally, for club events, I am ranked as unlimited and have to compete against comp coupes and, worse yet, the new ACR's. Due to these reasons, I am probably going to have to start using non R class tires. I am thinking ps2's.
Question is what size for the front. I've been running 305's on the kuhmos.

Problem is no 305 on ps2's. I either need to go with 295's or 315's. Car is lowered about about an inch. I am concerned with 315's rubbing. Anyone able confirm if this will be a problem?
 
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