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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.


1732 topics in this forum

  1. Licensing

    • 4 replies
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  2. Fuel Lines?

    • 2 replies
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  3. Counterfeit Simpson tethers

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  4. out of spec, spec miata heads

    • 3 replies
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  5. 2015 Proposed Tire Rules (TTB-TTF) 1 2 3 4 5

    • 114 replies
    • 36.3k views
  6. Hoosier A7s 1 2 3 4

    • 75 replies
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  7. OEM hardtop rule (s2000)

    • 15 replies
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  8. 2015 TT Rules On-line

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  9. 2015 rules/car classifications …

    • 3 replies
    • 3k views
  10. 2015 TT license renewal???

    • 9 replies
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  11. 2015 Rules Suggestions Thread 1 2 3

    • 53 replies
    • 12.4k views
  12. In what TT class is your Mk5/6 GTI?

    • 2 replies
    • 2.5k views
  13. State of TT - a "near-racer" perspective 1 2

    • 35 replies
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    • 8 replies
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  14. Tire rules in TT123 - Any interest in expansion? 1 2 3

    • 52 replies
    • 14.6k views
  15. Is this considered a brake modification?

    • 7 replies
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    • 3 replies
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  16. TT question regarding tire cost 1 2

    • 40 replies
    • 20.4k views
  17. TT and safety gear.

    • 16 replies
    • 6.1k views
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