BoP Labbeta

BoP Lab / Rules / Letter #38266

#38266 Clarification of GT3U

From Club Racing Board · GT3 · Rule change

Clarification of GT3U

#38266 from Club Racing Board · Rule change · TB 25-05 (2025-05 Fastrack)

In GCR 9.1.2.F.3.9., change as follows:
"All GT3U (Majors and Runoffs) cars shall run at current GT3 race weight plus 150lbs. All GT3U cars shall run one of the following
tire and wheel combinations: A Dot approved tire with maximum section width of 245. GT3U cars base wheel is a maximum of
15”x9”. “18”x9” wheels are allowed with a 3% weight addition. GT3 U cars utilizing 15”x7” wheels are limited to a section width
of 225 with a 25 pound weight reduction. All GT3U (Majors and Runoffs) cars using up to 15"x7" wheels limited to 225 section
width tires shall run at current GT3 race weight plus 225lbs. All Gt3U cars shall run a DOT approved tire with a maximum section
width of 245. GT3U cars are allowed optional 15"x9" wheels with a 1.5% weight addition or up to 18"x9" wheels with a 3.0%
weight addition to the total weight including the 225 lbs."