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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.


1734 topics in this forum

  1. Which Tires are DOT R-comp Autocross?

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    • 600 views
  2. Number and classification marking size

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    • 444 views
  3. 2020 Form Submissions

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  4. Non-Compliant Cage vs No Cage - TT

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    • 879 views
  5. TT5-6 Track Width Rule 6.1.9.8

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    • 627 views
  6. Clarification of rules for TT/ST6

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  7. TT3 question

    • 15 replies
    • 1.9k views
  8. CMC > TT question

    • 2 replies
    • 662 views
  9. HAPPY HOLIDAYS

    • 1 reply
    • 561 views
  10. 2019 ST5 & 6 Revision 10-30-18 v2.2

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  11. ST5 & ST6 2019 Official Rules

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    • 749 views
  12. Final Season of TTD, TTE, TTF--2018!

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  13. TTE/PTE & TTF/PTF 2018 Info

    • 15 replies
    • 13.4k views
  14. ST5 A-Arm: Do Boxster's fit into this penalty?

    • 4 replies
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    • 1.9k views
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