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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.


1732 topics in this forum

  1. weight ballast

    • 4 replies
    • 3.6k views
  2. point assessment question

    • 2 replies
    • 2.7k views
  3. E46 330i TTD

    • 6 replies
    • 6k views
  4. Can I Run TT2 and TT3 in the Same Event?

    • 2 replies
    • 3.3k views
  5. Stay in TTD/PTD or move to TTC/PTC??

    • 3 replies
    • 2.8k views
  6. Chevy SS classification

    • 0 replies
    • 1.9k views
  7. 2017 TTC rules?

    • 2 replies
    • 3.3k views
  8. Transponder Questions

    • 2 replies
    • 2.8k views
    • 14 replies
    • 9.5k views
  9. Continental Challenge EC-Dry tire?

    • 4 replies
    • 3.7k views
  10. points question

    • 3 replies
    • 3.6k views
  11. 2016 TT National Champions

    • 0 replies
    • 4.4k views
    • 12 replies
    • 7.9k views
  12. UPDATE ST4/TT4 and other for 2017

    • 0 replies
    • 3.6k views
  13. Front windows REMOVED in TT1??

    • 1 reply
    • 3.2k views
  14. Why isn't the FRS killing TTD? 1 2 3 4 17

    • 403 replies
    • 94.4k views
  15. Tire Question

    • 3 replies
    • 5.9k views
    • 14 replies
    • 10.8k views
    • 2 replies
    • 3.6k views
    • 1 reply
    • 3.3k views
    • 6 replies
    • 5.1k views
    • 0 replies
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    • 0 replies
    • 2.6k views
    • 3 replies
    • 14.2k views
  16. 2016 TT Rules are posted

    • 24 replies
    • 13.3k views
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