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ST/SU

Super Touring and Super Unlimited

770 topics in this forum

  1. 2023 Rules Submission??

    By ChuggLifeRacing,
    • 3 replies
    • 922 views
    • Bryan Heitman
    • Bryan Heitman

  2. 2023 Rules Request: Increase ST5 WT/PWR ratio target

    By Tansar_Motorsports,
    • 0 replies
    • 447 views
    • Tansar_Motorsports
    • Tansar_Motorsports

  3. The “Sorta” Non-Production Vehicles? 1 2 3

    By Racerwong,
    • 50 replies
    • 8.4k views
    • Bryan Heitman
    • Bryan Heitman

  4. Buying MX5 cup car w/ sequential, ST4?

    By Bryan Heitman,
    • 8 replies
    • 1.2k views
    • Bryan Heitman
    • Bryan Heitman

  5. Technical Bulletin: Front Splitter Limitations--ST4/5 & TT4/5 9-21-22

    By Greg G.,
    • 1 reply
    • 1.1k views
    • int2str
    • int2str

  6. Technical Bulletin: Goodyear DOT Radial RCMD - Deletion of "Autocross" classing for ST4-6-- 10-16-22

    By Greg G.,
    • 0 replies
    • 1.1k views
    • Greg G.
    • Greg G.

  7. ST4 Rear quarter window brake ducts and undertray question

    By kjbrew01,
    • 1 reply
    • 508 views
    • Greg G.
    • Greg G.

  8. Technical Bulletin: ECU Program and Logging Downloads--All ST & TT rev 8-26-22

    By Greg G.,
    • 9 replies
    • 2.3k views
    • CRallo
    • CRallo

  9. Nasa championship st4 rain tire options?

    By land Yatch racing,
    • 2 replies
    • 681 views
    • Greg G.
    • Greg G.

  10. Legal 282mm Tire/Wheel combo thread

    By ecronbach,
    • 3 replies
    • 1.7k views
    • speedk1ng
    • speedk1ng

  11. Technical Bulletin: Rear Bumper Modification--ST1-3 & TT1-3 5-20-22

    By Greg G.,
    • 0 replies
    • 1.2k views
    • Greg G.
    • Greg G.

  12. Technical Bulletin: Subframe Modification for Engine Swaps--All ST & TT 5-20-22

    By Greg G.,
    • 0 replies
    • 1k views
    • Greg G.
    • Greg G.

  13. Paperwork submissions missing and/or incomplete and/or mislabeled 1 2

    By davidfarmer,
    • 29 replies
    • 1.9k views
    • Roman V.
    • Roman V.

  14. ST-5 tires

    By jhp,
    • 6 replies
    • 3.3k views
    • Roman V.
    • Roman V.

  15. Sports Racer classification

    By EB Turbo,
    • 1 reply
    • 651 views
    • Greg G.
    • Greg G.

  16. Hoosier and Michelin Mod Hit

    By CeeDubb,
    • 1 reply
    • 988 views
    • daytonars4
    • daytonars4

  17. Technical Bulletin: Avg HP Calculations--All ST & TT 3-11-22

    By Greg G.,
    • 10 replies
    • 3.9k views
    • Greg G.
    • Greg G.

  18. 2022 ST1-4 and ST5&6 Rules Revisions (v16.2 and 5.2) Released

    By Greg G.,
    • 20 replies
    • 2.9k views
    • Greg G.
    • Greg G.

  19. 2022 ST Rules Release Today! 1 2 3

    By Greg G.,
    • 68 replies
    • 12.1k views
    • esr
    • esr

  20. Question on Lexan Thickness and OEM Door bars

    By Magus2727,
    • 3 replies
    • 914 views
    • Magus2727
    • Magus2727

  21. 2021 Rules Time--How about no changes? 1 2

    By Greg G.,
    • 30 replies
    • 7k views
    • daytonars4
    • daytonars4

  22. 2022 ST/TT Car Classification Form is Live

    By Roman V.,
    • 0 replies
    • 2.1k views
    • Roman V.
    • Roman V.

  23. 2022 ST/TT Car Classification Calculator Only

    By Roman V.,
    • 6 replies
    • 3.7k views
    • Roman V.
    • Roman V.

  24. 2021 ST/TT Car Classification Form

    By Roman V.,
    • 12 replies
    • 4.7k views
    • Greg G.
    • Greg G.

  25. Technical Bulletin: Goodyear DOT Radial RCMD - Provisional Classing as "Autocross" for ST4-6-- 6-10-21

    By Greg G.,
    • 7 replies
    • 2.2k views
    • mrgsquared
    • mrgsquared
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