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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.


1,805 topics in this forum

  1. Nitrous?

    • 3 replies
    • 577 views
  2. 8th Gen Civic Si BTM - TT5

    • 2 replies
    • 927 views
  3. Side Moulding Removal

    • 0 replies
    • 507 views
  4. Physical License?

    • 4 replies
    • 742 views
  5. TT awards. Norcal. Here we go again.

    • 5 replies
    • 1k views
  6. BTM Aero

    • 1 reply
    • 699 views
    • 0 replies
    • 1.8k views
  7. Hooisers to be spec tire for Nationals '23?

    • 1 reply
    • 629 views
  8. ST5 Strut Shaft Diameter Clarification

    • 5 replies
    • 1.1k views
    • 0 replies
    • 1.4k views
  9. Request Vehicle to be Reclassified to BTM Aero

    • 1 reply
    • 714 views
    • 0 replies
    • 1.4k views
  10. Classification Form Problems

    • 6 replies
    • 744 views
  11. New to TT, question about rules on tires

    • 1 reply
    • 570 views
    • 2 replies
    • 576 views
    • 5 replies
    • 1.7k views
    • 0 replies
    • 1.6k views
  12. Hot Pits

    • 6 replies
    • 867 views
  13. TTU Physical Dimensions

    • 2 replies
    • 551 views
    • 0 replies
    • 749 views
    • 0 replies
    • 938 views
    • 1 reply
    • 755 views
  14. S625h

    • 1 reply
    • 455 views
    • 0 replies
    • 718 views
  15. New Tire Mod-Factor Assessment

    • 2 replies
    • 720 views
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