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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.

1718 topics in this forum

  1. ST5 & ST6 2019 Official Rules

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

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  3. TTE/PTE & TTF/PTF 2018 Info

    • 15 replies
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  4. ST5 A-Arm: Do Boxster's fit into this penalty?

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  5. Down classing vs up classing

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  6. TT gray area: 91 Miata with 1.8 swap

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  7. NASA 2018 ST5 Rules Released 11-29-17

    • 22 replies
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  8. TTD for 2018

    • 3 replies
    • 2552 views
  9. How prepared are most TT cars?

    • 4 replies
    • 1719 views
  10. Who’s running TT5 this year?

    • 1 reply
    • 1568 views
  11. TT5: Hood Venting

    • 4 replies
    • 2106 views
  12. 2018 PT Rules posted

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    • 9 replies
    • 2440 views
  13. Application of Min Comp Weight

    • 1 reply
    • 1536 views
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