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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.


1,796 topics in this forum

  1. Physical License?

    • 4 replies
    • 482 views
  2. TT awards. Norcal. Here we go again.

    • 5 replies
    • 704 views
  3. BTM Aero

    • 1 reply
    • 516 views
  4. Hooisers to be spec tire for Nationals '23?

    • 1 reply
    • 504 views
  5. ST5 Strut Shaft Diameter Clarification

    • 5 replies
    • 663 views
  6. Request Vehicle to be Reclassified to BTM Aero

    • 1 reply
    • 574 views
  7. Classification Form Problems

    • 6 replies
    • 481 views
  8. New to TT, question about rules on tires

    • 1 reply
    • 449 views
    • 2 replies
    • 411 views
  9. Hot Pits

    • 6 replies
    • 687 views
  10. TTU Physical Dimensions

    • 2 replies
    • 422 views
    • 0 replies
    • 635 views
    • 0 replies
    • 819 views
    • 1 reply
    • 591 views
  11. S625h

    • 1 reply
    • 325 views
    • 0 replies
    • 611 views
  12. New Tire Mod-Factor Assessment

    • 2 replies
    • 594 views
  13. Ballast Limits

    • 2 replies
    • 451 views
    • 0 replies
    • 1.2k views
    • 0 replies
    • 675 views
  14. TT/ST Hit for Transmissions - Revision Needed

    • 11 replies
    • 1.3k views
    • 1 reply
    • 545 views
    • 6 replies
    • 1.1k views
  15. REGIONAL AWARDS

    • 24 replies
    • 1.2k views
    • 0 replies
    • 994 views
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