Quote:
Originally Posted by Msquared
Sam's REs are surely still his FS-legal set of 285/35/19s on 19x10 front and 19x11 rear wheels. I'm not saying that this combo is faster than a set of 315/30/18 Yoks on 18x12s! Wheel width and diameter matters. However, I am privy to data that says a set of 295/35/18 REs is at least a bit faster than those Yoks on the same 18x12 wheels, back to back on the same day and site. It's not my data to share, so unfortunately I can't give you specifics. I can tell you this is on a modern-ish pony car with lots of camber (IOW, should have favored the Yoks) and a good driver in an autocross setting.
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Thanks for sharing!
I'm wavering a bit on choosing 18x11 square vs ZLE specs in 18" diameter for the 295/35/18 REs... I'd go with the 12" wide rears with the thought I could run 315 REs if/when they come out. My main concern with 12 in width is 295 REs are designed for up to 11.5" rim width so 12s may not be ideal, may be harder to mount, may be hard to find someone willing to mount them...