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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.

1720 topics in this forum

  1. +2 End Link rule?

    • 7 replies
    • 3992 views
  2. E46 splitter rule clarification

    • 10 replies
    • 6340 views
  3. Spec Racer Ford for TT4 rules questions

    • 6 replies
    • 4304 views
  4. Help getting my car classified e36 328is

    • 1 reply
    • 2348 views
  5. Question about rules

    • 2 replies
    • 2692 views
    • 0 replies
    • 1878 views
  6. 2017 Calculator Spreadsheet

    • 9 replies
    • 5143 views
    • 9 replies
    • 4365 views
    • 0 replies
    • 1989 views
  7. Define "ABS"

    • 3 replies
    • 2490 views
  8. Tire question

    • 3 replies
    • 2422 views
  9. Re-classing E46 M3 - TTB -> TT4?

    • 18 replies
    • 9118 views
  10. 2017 Rules?

    • 3 replies
    • 3014 views
  11. weight ballast

    • 4 replies
    • 3352 views
  12. point assessment question

    • 2 replies
    • 2458 views
  13. E46 330i TTD

    • 6 replies
    • 5530 views
  14. Can I Run TT2 and TT3 in the Same Event?

    • 2 replies
    • 2976 views
  15. Stay in TTD/PTD or move to TTC/PTC??

    • 3 replies
    • 2617 views
  16. Chevy SS classification

    • 0 replies
    • 1721 views
  17. 2017 TTC rules?

    • 2 replies
    • 3063 views
  18. Transponder Questions

    • 2 replies
    • 2561 views
    • 14 replies
    • 9017 views
  19. Continental Challenge EC-Dry tire?

    • 4 replies
    • 3416 views
  20. points question

    • 3 replies
    • 3325 views
  21. 2016 TT National Champions

    • 0 replies
    • 4033 views
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