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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. Mustang wreck from autobahn

    By jpreston,
    • 2 replies
    • 1.2k views

  2. Hello from a Newbie - any Miata TT'ers?

    By miatagrin,
    • 2 replies
    • 985 views

  3. Classification Question

    By Zvought,
    • 13 replies
    • 1.8k views

  4. Is header wrap on an h-pipe considered exhaust modification?

    By Cobra4B,
    • 12 replies
    • 1.9k views

  5. Anyone run a C5 or C6 on 275/40/17s all around or similar? 1 2

    By Cobra4B,
    • 45 replies
    • 5.2k views

  6. Technical Bulletin--Front Wing Window modification--6-30-10

    By Greg G.,
    • 0 replies
    • 836 views

  7. GPS at nats

    By drivinhardz06,
    • 4 replies
    • 1.2k views

  8. Seminar Feedback for National Championships

    By bpanther,
    • 3 replies
    • 877 views

  9. Schedule feedback for National Championships

    By bpanther,
    • 6 replies
    • 1.2k views

  10. Can I modify parts to mimic updated OEM parts for 0 points?

    By Cobra4B,
    • 11 replies
    • 2.1k views

  11. Why isn't there a tire size penalty in TTS-TTR for over 305 1 2

    By masitr,
    • 43 replies
    • 4.9k views

  12. How are one or two stars(**) assigned to base classing?

    By 520,
    • 11 replies
    • 1.9k views

  13. Points for roll center correction?

    By hired wrench,
    • 2 replies
    • 1.3k views

  14. no traq mate for TT??

    By Zach H.,
    • 9 replies
    • 1.7k views

  15. Who is running TTD for BHF june11-13

    By Zach H.,
    • 14 replies
    • 1.8k views

  16. Excel classifier tool for 2010 Time Trial rules

    By kbrew8991,
    • 14 replies
    • 3.1k views

  17. what class? for supercharged rx8 1 2

    By olddragger,
    • 46 replies
    • 5.4k views

  18. 2011 Mustang GT Time Trial Questions

    By 11gttt,
    • 17 replies
    • 3k views

  19. Fascia modification questions

    By smokinjoe,
    • 16 replies
    • 3.3k views

  20. C5 Z06 TTA Set Up for 2010 1 2 3 4 7

    By CShay6,
    • 154 replies
    • 22.2k views

  21. Steering Wheel position sensor

    By danwendling,
    • 1 reply
    • 1.1k views

  22. water injection

    By Vinny,
    • 11 replies
    • 2.7k views

  23. Nationals Roll Call 1 2

    By kbrew8991,
    • 33 replies
    • 4.8k views

  24. TTD Mustang

    By 95PGTTech,
    • 10 replies
    • 2.5k views

  25. Dyno Spikes

    By Vettedoctor,
    • 16 replies
    • 3.4k views
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