Quote:
Originally Posted by lacartus
Sounds like the 275 square RE11 worked well for CSBM5.
Otherwise, I'm just getting new tires. Maybe 275/295 RE11. CSBM5, does it look like the 295 will work in the rear on a 9.5 x 18?
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I've only run the Rivals, first 245/40s all around since the 275s weren't available early in 2013, and now the 275/35 all around. Note the Rival is different than typical street tires in that its section width is pretty much carried out to the tread face, so it's not so clear cut what will rub and not rub if you're trying to compare to a current setup that doesn't rub.
Richbot is spot on in the above. Also, if you have an adjustable front sway bar, you can at least have a potential chassis tuning point if you switch from 275 all around to 275/295. I like the balance of the car currently with the 275s all around, especially on tighter/slower courses where having a more lively rear is desirable. I'd like to try it with the 295s however...
Speaking of 295s...I think the 295/35 Rival will fit as long as the offset is near stock (you're allowed +/-6.35mm). Right now with the 275 Rivals, I'm at (35mm-18mm) 17mm net offset in the rear, and it would be tight with the fender. Stock offset is 23mm, and something in that range might be needed for the 295/35 Rival.
FWIW, here's a pic of 275/35 Rivals, one on the 8.5" wheel the other on the 9.5":