ST/SU

765 topics in this forum

1. Technical Bulletin 4-8-24 - Super Unlimited split to SU and GT at the 2024 NASA Championships

   By Greg G., April 8
   • 2 replies
   • 1.1k views
   • 
   • Greg G.
   • August 19

2. Official Tire Submission Thread for Tire Model Consideration for the +1.0 and +1.6 Mod Factor Groups

   By Greg G., December 3, 2021
   • 9 replies
   • 3.5k views
   • 
   • Greg G.
   • September 28, 2023

3. 2023 Super Touring Rules are posted

   By Greg G., December 7, 2022
   • 6 replies
   • 1.7k views
   • 
   • Greg G.
   • May 1, 2023

4. Technical Bulletin: Yokohama Advan Neova AD09 - Now +1.0 - 2-14-23

   By Greg G., February 15, 2023
   • 0 replies
   • 1.2k views
   • 
   • Greg G.
   • February 15, 2023

5. 2023 ST/TT Car Classification Form is Live

   By Roman V., January 6, 2023
   • 12 replies
   • 2k views
   • 
   • Roman V.
   • January 23, 2023

6. Technical Bulletin: Continental Extreme Contact Force & Hankook Ventus RS4 - Now +1.6 - 1-19-23

   By Greg G., January 20, 2023
   • 0 replies
   • 1.6k views
   • 
   • Greg G.
   • January 20, 2023

7. Avg HP Calculator Instructions

   By Greg G., February 11, 2020
   • 13 replies
   • 5.7k views
   • 
   • Roman V.
   • January 12, 2023

8. How To - ST/TT Submission - Edit Link Request

   By Roman V., March 14, 2019
   • 0 replies
   • 13.8k views
   • 
   • Roman V.
   • March 14, 2019

9. ST Links for Website, Rules, Forms, Calculators

   By Greg G., May 1, 2014
   • 0 replies
   • 13.2k views
   • 
   • Greg G.
   • May 1, 2014

10. Provisional Car Classifications--updated 3-16-23

    By Greg G., August 2, 2012
    • 0 replies
    • 12.8k views
    • 
    • Greg G.
    • August 2, 2012

11. ST Regional Leader List -- updated 6-12-23

    By Greg G., February 27, 2012
    • 0 replies
    • 10.3k views
    • 
    • Greg G.
    • February 27, 2012

12. Toyo Proxies R Tire Mod Factor?

    By TimRoberts, May 9
    • 5 replies
    • 860 views
    • 
    • rsotak
    • November 10

13. Rule proposal: brake mod factor in ST5 and ST6

    By skanev, September 16
    • 2 replies
    • 370 views
    • 
    • Greg G.
    • October 23

14. Are LSDs legal in ST6

    By b16vtek, October 14
    • 1 reply
    • 126 views
    • 
    • Roman V.
    • October 15

15. New and need help: How to classify my factory five 818r

    By altitude7200, September 26
    • 2 replies
    • 697 views
    • 
    • Brett B.
    • October 2

16. 6.1.9 Line 4 Camber Arms

    By weste46, August 5
    • 2 replies
    • 369 views
    • 
    • Greg G.
    • August 9

17. Question on flares

    By NorcalTT, August 2
    • 1 reply
    • 300 views
    • 
    • Greg G.
    • August 3

18. SU aero rule clarification

    By Deude_Mann, June 5
    • 1 reply
    • 500 views
    • 
    • Greg G.
    • June 22

19. SU with minimal aero

    By brakesareforquitters, June 19
    • 4 replies
    • 261 views
    • 
    • brakesareforquitters
    • June 21

20. Removable driver/passenger windows for SU/GTU

    By Deude_Mann, April 18
    • 3 replies
    • 354 views
    • 
    • Greg G.
    • April 25

21. Consider removing 2023 ST1-4 rules from AWS

    By ssmith, April 15
    • 1 reply
    • 373 views
    • 
    • Roman V.
    • April 16

22. Brake Fans Legal for ST4?

    By lemonsracer, March 21
    • 3 replies
    • 362 views
    • 
    • Brett B.
    • April 1

23. 2023 Proposed ST Rules Revisions--Comment Period through 11-20-22 1 2 3 4 9

    By Greg G., November 17, 2022
    • 217 replies
    • 39.4k views
    • 
    • Tansar_Motorsports
    • March 6

24. What constitutes a 'rocker'? ST legality question

    By Cone Eater, October 28, 2023
    • 1 reply
    • 517 views
    • 
    • Greg G.
    • November 2, 2023

25. Please remove 315 Rule in ST/TT2

    By Brian Clarke, September 15, 2023
    • 8 replies
    • 1.4k views
    • 
    • Greg G.
    • September 28, 2023