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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.


1728 topics in this forum

  1. TT5-6 Track Width Rule 6.1.9.8

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  2. Clarification of rules for TT/ST6

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  3. TT3 question

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  4. CMC > TT question

    • 2 replies
    • 564 views
  5. HAPPY HOLIDAYS

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    • 479 views
  6. 2019 ST5 & 6 Revision 10-30-18 v2.2

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  7. ST5 & ST6 2019 Official Rules

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  8. Final Season of TTD, TTE, TTF--2018!

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  9. TTE/PTE & TTF/PTF 2018 Info

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  10. ST5 A-Arm: Do Boxster's fit into this penalty?

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  11. Down classing vs up classing

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  12. TT gray area: 91 Miata with 1.8 swap

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    • 1.7k views
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