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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.

1,798 topics in this forum

  1. Moveable Aero Legal in TT/PT?

    By Varkwso,
    • 16 replies
    • 2.9k views

  2. Some guidance please...

    By bahnstormers,
    • 4 replies
    • 1.3k views

  3. Rule check: Lightweight driveshaft 0 points?

    By Markus,
    • 5 replies
    • 1.9k views

  4. bypassing intake manifold coolant 1 2 3

    By dans2k,
    • 54 replies
    • 7.1k views

  5. Seat back brace question

    By Scany,
    • 8 replies
    • 2.3k views

  6. Technical Bulletin--Throttle Body Deletion--9-1-10

    By Greg G.,
    • 0 replies
    • 918 views

  7. Jetta 1.8t for tt?

    By cvedral,
    • 4 replies
    • 1.1k views

  8. Need to put the car on a diet for TT - Help! 1 2

    By ILikeEsses,
    • 25 replies
    • 3.9k views

  9. what class is my car in?

    By tritone75,
    • 4 replies
    • 1.2k views

  10. Technical Bulletin--Trans. and Differential Mounts--8-23-10

    By Greg G.,
    • 0 replies
    • 857 views

  11. Any chance of trying multiple 15 minute sessions in MA? 1 2 3

    By Cobra4B,
    • 68 replies
    • 7.8k views

  12. Why doesn't Hankook offer contingency?

    By UKRBMW,
    • 11 replies
    • 2.1k views

  13. Anyone running Hawk DTC-70/60s? Does the dust ruin wheels? 1 2

    By Cobra4B,
    • 34 replies
    • 8.7k views

  14. TTE Build Question

    By LeeC,
    • 8 replies
    • 2k views

  15. Any New ZR1s running TT yet?

    By Varkwso,
    • 19 replies
    • 3.4k views

  16. Technical Bulletin--Grand Am Contintental Tires--8-12-10

    By Greg G.,
    • 0 replies
    • 927 views

  17. another TT newb question?

    By lee33lyn,
    • 20 replies
    • 2.9k views

  18. TT Newb questions.

    By lee33lyn,
    • 8 replies
    • 1.8k views

  19. New tire type/size, staying in class - need new class. sheet

    By 520,
    • 2 replies
    • 880 views

  20. 2010 Mazda3 class for TT

    By Jan in Omaha,
    • 6 replies
    • 1.3k views

  21. Great Compact Digital Video Camera from OG Racing

    By [email protected],
    • 2 replies
    • 849 views

  22. GRM Ultimate Track Car Challenge - 7/23/10 @ VIR 1 2 3 4 5

    By getfast,
    • 108 replies
    • 11.5k views

  23. Great Compact Digital Video Camera from OG Racing

    By [email protected],
    • 7 replies
    • 1.4k views

  24. who determines the engines redline?

    By olddragger,
    • 24 replies
    • 3.5k views

  25. Considering the car for TTE and PTE 1 2 3

    By banderaz,
    • 64 replies
    • 8.3k views
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