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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.


1,791 topics in this forum

  1. Timing

    • 7 replies
    • 2k views
  2. Toyo Tire Deal for TT?

    • 5 replies
    • 2.3k views
  3. TT Run Group Traffic

    • 11 replies
    • 3.1k views
  4. What TT Class would I be in?

    • 3 replies
    • 1.9k views
  5. 2005 Blueridge Hillclimb video

    • 0 replies
    • 1.3k views
  6. Mods, Mods, Mods

    • 4 replies
    • 2k views
  7. Tire size point system?

    • 17 replies
    • 4.4k views
    • 0 replies
    • 1.2k views
  8. Tire rule clarification

    • 21 replies
    • 4.7k views
  9. Rules clarification please - Timing

    • 8 replies
    • 2.8k views
  10. Modification ?'s after fallout

    • 6 replies
    • 2k views
    • 3 replies
    • 1.5k views
    • 6 replies
    • 2.5k views
  11. Where to buy Transponder

    • 8 replies
    • 2.8k views
  12. Buttonwillow 9-10 results?

    • 6 replies
    • 2.2k views
  13. Couple questions re: rules clarification

    • 5 replies
    • 1.8k views
  14. Another Buttonwillow video inside 72 Corvette

    • 4 replies
    • 1.8k views
  15. Question about series

    • 4 replies
    • 1.7k views
    • 4 replies
    • 2k views
  16. Super Wheel Deal

    • 1 reply
    • 1.4k views
  17. OE replacement/upgrade +points?

    • 8 replies
    • 2.2k views
    • 5 replies
    • 1.9k views
  18. Since you won't come to Vegas...

    • 9 replies
    • 2.8k views
  19. Cobra IRS clarification?

    • 17 replies
    • 5.8k views
    • 7 replies
    • 3.1k views
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