Quote:
Originally Posted by bptuner
Curious to know the difference in times you guys have seen running 18 wheel and tire combo compared to 19's. The factory 19/w supercar tires have been fast just wondering if the cost is worth the switch to 18's.
I am on the fence and debating ordering a set of 18's. I know slicks will be faster around track, but what other DOT legal tire options are there in 18? I don't trailer the car, not that I think the officers in this area will bother, but just for the sake of the debate.
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I run the same times with the Hoosier R7 on 18" rims as I do on the SC3R on 19" rims. I think it obviously comes down to driver. Personally, the SC3R feel fantastic when new but the R7 last a heck of a lot longer. Some have reported that R7s last approx. 20-28 sessions at Advanced pace. SC3Rs only last me 12-15 sessions tops. You can get the hoosiers in 19" but they are considerably more expensive. Also, running 18" allow you to buy Pirelli and Michelin scrubs etc which can run anywhere from $700-$900/set. The 18" Apex SM-10 wheels are about 3-4lbs lighter per wheel than the OEM forged. Subtract another 2lbs per wheel for the Apex Forged wheels.
Hoosier A7 and R7 are DOT legal. Not recommended as a road tire but they are legal. You will ABSOLUTELY hydroplane in light rain. Trust me.