Wording Change on Tire Rule for 2022
#31565 from Tony Roma · Recommended to the Board · Minutes (2021-12 Fastrack)
In B-Spec, GCR 9.1.10.E.7. Tires, make changes as follows:
"a. Until 6-1-2021: tire size shall be 205/50/15. Tires must conform to GCR section 9.3. Tires. All tires shall be offered for saleover the counter through the tire manufacturer’s dealer network. The brand of tire and tire pressures are unrestricted. TheHankook 200/580R15 Z217 (rain) is also allowed.b. After 6-1-2021 one of the allowed Hankook Tires must be used in complete sets. No mixing of wet and dry tires on the samecar.c. Hankook P205/50ZR15 Z214 C51 Compound or Hankook 200/580R15 Z217 (rain) is required for the following SCCA Majors,Super Tour and Runoffs.
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d. Regional Racing can continue with any DOT race tire for wet or dry races through the 2021 season. The Hankook 200/580R15Z217 (rain) is also allowed.
a. Tires shall be Hankook 205/50R15 C51 or Hankook 200/580R15 Z217. No mixing of wet and dry tires on the same car.e b. When using the wet tire, all cars get a 0.2” lower ride height allowance due to smaller radius of the wet tire."