Time Trial
NASA TT utilizes a car classification system that is easy to understand, and gives HPDE 4 drivers a taste of competition by allowing them to compete for top lap times, in advanced, open passing run sessions, against similarly prepared cars for awards, prizes, and recognition.
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Technical Bulletin: Goodyear DOT Radial RCMD - Deletion of "Autocross" classing for ST4-6-- 10-16-22
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