ST/SU

662 topics in this forum

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

   By Greg G., November 4
   • 30 replies
   • 1136 views
   • 
   • Davidss
   • 5 hours ago

2. ST Rules Revision - August 1, 2019

   By Greg G., August 18
   • 0 replies
   • 819 views
   • 
   • Greg G.
   • August 18

3. Technical Bulletin: Hood Vent revised rule 6-17-19

   By Greg G., April 26
   • 2 replies
   • 1117 views
   • 
   • Greg G.
   • June 17

4. April '19 ST Rules Revision Highlights 1 2 3 4

   By Greg G., April 25
   • 78 replies
   • 6497 views
   • 
   • jimgood
   • May 29

5. Rule Change discussion: Non-DOT Approved Tires in ST3/TT3 1 2

   By Greg G., April 11
   • 27 replies
   • 2447 views
   • 
   • Greg G.
   • June 17

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

   By Roman V., March 14
   • 0 replies
   • 1855 views
   • 
   • Roman V.
   • March 14

7. 2019 ST/TT Car Classification Form now online!

   By Greg G., December 15, 2018
   • 3 replies
   • 1967 views
   • 
   • rob_h
   • January 28

8. 2019 ST5 & 6 Revision 10-30-18 v2.2

   By Greg G., November 2, 2018
   • 1 reply
   • 2144 views
   • 
   • Greg G.
   • November 2, 2018

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

   By Greg G., May 1, 2014
   • 0 replies
   • 10340 views
   • 
   • Greg G.
   • May 1, 2014

10. Provisional Car Classifications--updated 1-1-19

    By Greg G., August 2, 2012
    • 0 replies
    • 8896 views
    • 
    • Greg G.
    • August 2, 2012

11. ST Regional Leader List -- updated 3-22-19

    By Greg G., February 27, 2012
    • 0 replies
    • 7391 views
    • 
    • Greg G.
    • February 27, 2012

12. The History of tire width vs weight and the weight modifier in ST

    By CRallo, November 6
    • 0 replies
    • 45 views
    • 
    • CRallo
    • November 6

13. NON-DOT Tire Factor Change for ST3 for 2020 ???

    By Al36rx7, October 21
    • 2 replies
    • 242 views
    • 
    • Al36rx7
    • October 25

14. NASA Championship ST3 Start Near Miss

    By Mike25, October 16
    • 0 replies
    • 92 views
    • 
    • Mike25
    • October 16

15. ST6 Spoiler vs Wing (6.1.5 ST6)

    By DavidSinger, October 2
    • 8 replies
    • 310 views
    • 
    • DavidSinger
    • October 19

16. Roll cage mounting points question

    By Tansar_Motorsports, September 9
    • 1 reply
    • 242 views
    • 
    • Tansar_Motorsports
    • September 9

17. TT Classification for Non-US Production cars

    By uuayala, August 20
    • 2 replies
    • 123 views
    • 
    • uuayala
    • August 22

18. How fast is ST6/ST5 compared to SM/GTS2

    By Chuck T., August 5
    • 2 replies
    • 197 views
    • 
    • Chuck T.
    • September 8

19. flat floor penalty

    By jonesy79, August 5
    • 3 replies
    • 218 views
    • 
    • Greg G.
    • August 15

20. Any one interesting in splitting drive thru Garage Aug MidO

    By JoeMag, August 5
    • 0 replies
    • 84 views
    • 
    • JoeMag
    • August 5

21. ST5-6 Track Width Rule 6.1.9.8

    By Magus2727, July 25
    • 2 replies
    • 219 views
    • 
    • Magus2727
    • July 26

22. "Autocross Tires" not allowed - How do I identify these?

    By MXDave813s, July 25
    • 16 replies
    • 340 views
    • 
    • DavidSinger
    • October 15

23. Mustang Suspension Tuning Help

    By Rapidroy10, July 23
    • 1 reply
    • 121 views
    • 
    • Roman V.
    • July 26

24. ST4 sequential transmission

    By esr, July 18
    • 2 replies
    • 296 views
    • 
    • esr
    • August 16

25. Chop Top Safety Requirements

    By mdotmurphy, July 5
    • 0 replies
    • 156 views
    • 
    • mdotmurphy
    • July 5