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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.


1728 topics in this forum

  1. Classification questions

    • 3 replies
    • 1.2k views
  2. Driving school -- improved skills?

    • 0 replies
    • 878 views
    • 4 replies
    • 1.2k views
  3. What class for AI cars?

    • 4 replies
    • 1.3k views
  4. Infineon noise limit?

    • 7 replies
    • 1.7k views
  5. Looks like i might be leaving TT-D

    • 1 reply
    • 981 views
    • 30 replies
    • 5.4k views
    • 0 replies
    • 744 views
  6. How does the ACR option effect status

    • 1 reply
    • 898 views
  7. Re: TT Classification Rules--Neon ACR

    • 6 replies
    • 2.3k views
  8. TT entry fee

    • 5 replies
    • 1.7k views
  9. New Norcal Time Trial Website!

    • 3 replies
    • 946 views
  10. Timing

    • 7 replies
    • 1.4k views
  11. Toyo Tire Deal for TT?

    • 5 replies
    • 1.8k views
  12. TT Run Group Traffic

    • 11 replies
    • 2.4k views
  13. What TT Class would I be in?

    • 3 replies
    • 1.5k views
  14. 2005 Blueridge Hillclimb video

    • 0 replies
    • 840 views
  15. Mods, Mods, Mods

    • 4 replies
    • 1.5k views
  16. Tire size point system?

    • 17 replies
    • 3.6k views
    • 0 replies
    • 788 views
  17. Tire rule clarification

    • 21 replies
    • 3.7k views
  18. Rules clarification please - Timing

    • 8 replies
    • 2.1k views
  19. Modification ?'s after fallout

    • 6 replies
    • 1.5k views
    • 3 replies
    • 958 views
    • 6 replies
    • 1.8k views
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