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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.

1725 topics in this forum

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  1. TT3 question

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  2. CMC > TT question

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  3. HAPPY HOLIDAYS

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  4. 2019 ST5 & 6 Revision 10-30-18 v2.2

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  5. ST5 & ST6 2019 Official Rules

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

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  7. TTE/PTE & TTF/PTF 2018 Info

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

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  9. Down classing vs up classing

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  10. TT gray area: 91 Miata with 1.8 swap

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

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