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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.


1727 topics in this forum

  1. Transponder Group Buy Interest 1 2

    • 39 replies
    • 6.6k views
  2. Carrera 996 what is my starting class?

    • 1 reply
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  3. Wheels whats legal

    • 1 reply
    • 988 views
    • 2 replies
    • 1.2k views
  4. YOUR THOUGHTS--TT Rules Revisions 2006 1 2 3 4 6

    • 145 replies
    • 13.8k views
  5. racers can run in TT?

    • 5 replies
    • 1.3k views
  6. Anyone TT their daily driver?

    • 8 replies
    • 1.9k views
    • 6 replies
    • 1.2k views
  7. Revised 2005 Rules are Posted Now!

    • 1 reply
    • 1.6k views
  8. 2006 rules / points system

    • 11 replies
    • 1.8k views
  9. does nasa alos do hill climbs?

    • 7 replies
    • 1.8k views
  10. Thank you from AZ

    • 4 replies
    • 1.1k views
  11. TTU/street legal cars?? Seperate group idea 1 2

    • 41 replies
    • 7.1k views
  12. sideskirts

    • 2 replies
    • 1.4k views
  13. So how goes the 2006 rules finalizing??

    • 15 replies
    • 2.8k views
  14. TT 2006 Rules Re: Displacement

    • 8 replies
    • 1.6k views
  15. Car additions to TT classing...

    • 0 replies
    • 742 views
    • 3 replies
    • 941 views
  16. Qualifications for TT?

    • 14 replies
    • 2.2k views
  17. Congratulations SoCal 2005 Champions!

    • 0 replies
    • 721 views
  18. TTA Buttonwillow 11-12/13??

    • 2 replies
    • 905 views
  19. Tire Question

    • 23 replies
    • 3.6k views
    • 13 replies
    • 4.1k views
  20. Bone Stock

    • 7 replies
    • 1.6k views
  21. Putnam TT lap times

    • 8 replies
    • 1.7k views
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