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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.


1,798 topics in this forum

  1. Anyone get their Nitto's from Nationals yet?

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  2. TTU vs. TTR? Calculator/Rules Question

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  3. Engine Blocks

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  4. What's a coilover? And other questions...

    • 3 replies
    • 966 views
  5. Additional Nitto NT-01 Sizes

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  6. 2006 NASA Nationals TTB Poster

    • 11 replies
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  7. Do Records Set at Nationals Count?

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  8. Anyone else uses a HANS in TT?

    • 16 replies
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  9. coilover clarification please...

    • 10 replies
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  10. OEM weight of '98 Trans Am?

    • 1 reply
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  11. 2006 Ohio / Indiana Time Trial Champions

    • 7 replies
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  12. Super Street final

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  13. 2006 NASA Nationals TTU Poster

    • 9 replies
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  14. C4 Corvette classification

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  15. Classing for Trailblazer SS

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  16. oct 7th-8th Infineon Raceway schedual?

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  17. Nationals - TT podium pictures

    • 7 replies
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