Update GTA Tire Rules
#34323 from Butch Kummer · Rule change · TB 23-08 (2023-08 Fastrack)
In GCR, Section 9.1.2.G.VII. Wheel and Tire Specifications, replace in its entire with the following:
"A. Rims must be 15" diameter steel stock car rims of a one-piece construction specifically designed for racing.
Wheel backspacing must be a minimum of 3.00 inches and a maximum of 7.00 inches. Maximum wheel width is 10 inches.
B. Any tire may be used that fits the rim specified in VII.A.
C. All four tires on the car at any time must be the same manufacture and model number.
D. Tires must be equally available to all competitors (i.e.- tires must be available through retail channels).
E. The tire manufacturer and model must not appear on the following exclusion list, which may be altered at any time by
CRB upon notification to the membership:
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- No tires are currently listed as excluded.
F. Soaking or chemical treating of the tires is prohibited."