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My street wheels/tires are CCW SP16A wheels, 9.5” x 18” front - 11” x 19” rear with Goodyear Eagle F1 Supercar EMT’s...275/35ZR18 front - 325/30ZR19 rear...stock Z06 tires. The rear tires stickout just a hair.
On the track I use CCW C10 wheels 11” x 18” all around with Kumho 710 tires...305/30/ZR18 front – 315/35/ZR18 rear. I use hub extenders on the front wheels. This photo doesn't show it well but I don't feel the front tires stickout much if at all.
Just to add a little perspective. The 275's stick out just a little more than an extra half an inch on each side. You might do a search. Seems I remember reading where several folks used them without problems on stock rims. I think that's the size I'm going with when my stockers wear thin.
Last edited by old motorhead; Dec 18, 2008 at 05:40 PM.