Quote:
Originally Posted by cookiesowns
I plan on getting the new Rays Gramlight transcends in 18x9.5 +39 or 18x9 +45.
Would I rub on stock suspension? What's the best width tire to fit on the 9.5 & 9 for track?
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We don't typically recommend such large rims/tires for the track.
It depends on what sort of track you're on (long and curvy with +120mph, or short, tight and technical with ~100 mph top speeds).
Most of us run 17x8 with 225/45 on the track. Any wider and you lose top speed due to rolling resistance.
On the shorter technical tracks you can get away with 245 since you won't have so much top speed.
My street rims and tires are 255/30-19 on 19x8.5 +45 with stock suspension. I had to remove my camber bolt (put stock one back in) and go back to 0 camber to stop rubbing the stock spring with the tire.
My track rims and tires are 225/40-17 on 17x8 +45. I put the camber bolt back in for these rims and can get about -1.5* camber in front.
This is a great track-related thread with a million answers:
http://www.ft86club.com/forums/showthread.php?t=38926