Tire Rule Request
#33350 from Frank Schwartz · Rule change · TB 23-01 (2023-01 Fastrack)
In B-Spec, GCR Section 9.1.10.E.7.a., change as follows:
"Tires shall be Hankook 205/50R15 C51 or Hankook 200/580R15 Z217. No mixing of wet and dry tires on the same car. Tires
must be run as delivered from Hankook."