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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.


1,809 topics in this forum

  1. Replacement Bushings clarification please

    • 2 replies
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    • 5 replies
    • 2.6k views
  2. Trailer for TT cars

    • 3 replies
    • 2.2k views
  3. SC300, Schroth Harness

    • 2 replies
    • 1.8k views
  4. Ok, New Fish here

    • 6 replies
    • 2.7k views
  5. Civic classing

    • 3 replies
    • 2.4k views
  6. Tires at Willow Springs?

    • 1 reply
    • 1.9k views
  7. TT - 2005 RULES ???

    • 8 replies
    • 3.9k views
  8. Reserving number

    • 8 replies
    • 3.6k views
    • 2 replies
    • 2.3k views
  9. Thunderbird clarifications

    • 3 replies
    • 2k views
  10. Newbie here with a few questions.

    • 1 reply
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    • 1 reply
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    • 0 replies
    • 2.2k views
  11. Insurance for TT

    • 4 replies
    • 3k views
  12. Lexus SC300, What class

    • 2 replies
    • 2.3k views
    • 1 reply
    • 2.1k views
  13. 2005 Norcal schedule?

    • 1 reply
    • 2.2k views
  14. Full Face Helmets and Air Bags.

    • 6 replies
    • 3.3k views
  15. TT/NASA-X Class Calculator

    • 17 replies
    • 7.7k views
  16. Wt:HP ratio

    • 4 replies
    • 2.9k views
  17. Spec comparison

    • 1 reply
    • 2.2k views
  18. Who is going to the award Banquet?

    • 2 replies
    • 2.4k views
  19. Can someone classify my odd rides?

    • 2 replies
    • 2.4k views
    • 56 replies
    • 13.9k views
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