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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.


1,795 topics in this forum

  1. NORCAL : ST4 owner of a Bodyshop

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  2. 2021 Rules Time--How about no changes?

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  3. TT6 Aerodynamic Modifications

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  4. TT Car Classification

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  5. starting a build for an e30 in TT

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  6. TT3 Rear Diffuser Question

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  7. Spec Miata Time Trial Classing, TT6?

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  8. Active Aero in TT

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  9. Which Tires are DOT R-comp Autocross?

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  10. Number and classification marking size

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  11. 2020 ST/TT Car Classification Form

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  12. 2020 Form Submissions

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  13. Non-Compliant Cage vs No Cage - TT

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  14. TT5-6 Track Width Rule 6.1.9.8

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  15. Clarification of rules for TT/ST6

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  16. TT3 question

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  17. CMC > TT question

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