ST/SU

692 topics in this forum

1. 2021 ST/TT Car Classification Form

   By Roman V., January 5
   • 6 replies
   • 1k views
   • 
   • Magus2727
   • February 2

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

   By Greg G., September 11, 2020
   • 27 replies
   • 2.6k views
   • 
   • ssmith
   • January 14

3. Avg HP Calculator Instructions

   By Greg G., February 11, 2020
   • 0 replies
   • 1.9k views
   • 
   • Greg G.
   • February 11, 2020

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

   By Roman V., March 14, 2019
   • 0 replies
   • 4.1k views
   • 
   • Roman V.
   • March 14, 2019

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

   By Greg G., May 1, 2014
   • 0 replies
   • 11.8k views
   • 
   • Greg G.
   • May 1, 2014

6. Provisional Car Classifications--updated 5-21-20

   By Greg G., August 2, 2012
   • 0 replies
   • 10.4k views
   • 
   • Greg G.
   • August 2, 2012

7. ST Regional Leader List -- updated 1-19-21

   By Greg G., February 27, 2012
   • 0 replies
   • 8.5k views
   • 
   • Greg G.
   • February 27, 2012

8. ST Subframe modifications

   By kartermdb, January 19
   • 2 replies
   • 127 views
   • 
   • CRallo
   • 21 hours ago

9. ST3 aero allowances

   By GHwerks, December 17, 2020
   • 6 replies
   • 383 views
   • 
   • davidfarmer
   • February 18

10. Question about ST4's ECU Rule

    By Tianheng, January 7
    • 1 reply
    • 145 views
    • 
    • NorcalTT
    • January 9

11. General ST rules question

    By fbirch, November 23, 2020
    • 6 replies
    • 397 views
    • 
    • TurboShortBus
    • December 16, 2020

12. ST5 Rules Question

    By gjkasten, November 6, 2020
    • 1 reply
    • 302 views
    • 
    • gjkasten
    • November 6, 2020

13. ST/TT4 Rear Flare Question

    By yuba, November 3, 2020
    • 2 replies
    • 201 views
    • 
    • yuba
    • November 3, 2020

14. Hoosier 255/35 - 18

    By gjkasten, October 20, 2020
    • 3 replies
    • 230 views
    • 
    • Greg G.
    • October 26, 2020

15. Factory Fender Vents in ST4

    By jonvo, July 29, 2020
    • 7 replies
    • 510 views
    • 
    • jonvo
    • August 27, 2020

16. Transponder

    By Brian Sasser, February 9, 2020
    • 2 replies
    • 472 views
    • 
    • Mastiff1!
    • August 17, 2020

17. 2020 ST/TT Car Classification Rules Revisions Proposed 1 2 3 4

    By Greg G., November 4, 2019
    • 81 replies
    • 9.7k views
    • 
    • Greg G.
    • August 15, 2020

18. Legal 282mm Tire/Wheel combo thread

    By ecronbach, August 11, 2020
    • 2 replies
    • 320 views
    • 
    • ecronbach
    • August 13, 2020

19. TT5 spec boxster aero

    By Lemming, August 5, 2020
    • 1 reply
    • 308 views
    • 
    • Greg G.
    • August 8, 2020

20. 2020 ST/TT Car Classification Form

    By Roman V., January 6, 2020
    • 24 replies
    • 3.9k views
    • 
    • Roman V.
    • June 24, 2020

21. Rush SR1

    By davidfarmer, June 21, 2020
    • 1 reply
    • 401 views
    • 
    • Tansar_Motorsports
    • June 23, 2020

22. TT5/ST5 rain tire sizing

    By Tansar_Motorsports, June 10, 2020
    • 1 reply
    • 291 views
    • 
    • dwesterwick
    • June 14, 2020

23. ST5 Rear Diffuser Clarification

    By Magnuson, May 13, 2020
    • 2 replies
    • 526 views
    • 
    • Greg G.
    • May 14, 2020

24. ST4 splitter and air dam question

    By ssmith, April 30, 2020
    • 1 reply
    • 435 views
    • 
    • Greg G.
    • May 3, 2020

25. Car Numbers

    By Clavette, March 20, 2020
    • 2 replies
    • 512 views
    • 
    • Clavette
    • March 20, 2020