ST/SU

648 topics in this forum

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

   By Greg G., April 11
   • 27 replies
   • 1417 views
   • 
   • Greg G.
   • June 17

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

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

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

   By Greg G., April 25
   • 78 replies
   • 4652 views
   • 
   • jimgood
   • May 29

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

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

5. 2019 ST/TT Car Classification Form now online!

   By Greg G., December 15, 2018
   • 3 replies
   • 1376 views
   • 
   • rob_h
   • January 28

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

   By Greg G., November 2, 2018
   • 1 reply
   • 1555 views
   • 
   • Greg G.
   • November 2, 2018

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

   By Greg G., May 1, 2014
   • 0 replies
   • 9640 views
   • 
   • Greg G.
   • May 1, 2014

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

   By Greg G., August 2, 2012
   • 0 replies
   • 8291 views
   • 
   • Greg G.
   • August 2, 2012

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

   By Greg G., February 27, 2012
   • 0 replies
   • 6821 views
   • 
   • Greg G.
   • February 27, 2012

10. ST4 sequential transmission

    By esr, Thursday at 02:55 AM
    • 0 replies
    • 64 views
    • 
    • esr
    • Thursday at 02:55 AM

11. Chop Top Safety Requirements

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

12. Low HP tube chassis car in ST4

    By funcup, June 26
    • 0 replies
    • 84 views
    • 
    • funcup
    • June 26

13. Panoz eligibility and Mod factor discussion

    By Tansar_Motorsports, June 24
    • 2 replies
    • 93 views
    • 
    • Tansar_Motorsports
    • June 25

14. Gurney Flap Limits

    By seanshepard1, May 25
    • 2 replies
    • 175 views
    • 
    • seanshepard
    • June 16

15. End links in ST6?

    By 1jeffcat, May 29
    • 2 replies
    • 139 views
    • 
    • 1jeffcat
    • May 29

16. Platforms for ST4?

    By Mister Monaco, May 16
    • 4 replies
    • 195 views
    • 
    • Tansar_Motorsports
    • May 17

17. ST4 Torsion Bar Suspension Conversion Legality

    By Tansar_Motorsports, May 7
    • 1 reply
    • 147 views
    • 
    • Greg G.
    • May 15

18. Ballast rule in ST6?

    By 1jeffcat, May 10
    • 2 replies
    • 117 views
    • 
    • 1jeffcat
    • May 11

19. Edit Link Request Not Receiving an Email

    By JH36, April 28
    • 7 replies
    • 156 views
    • 
    • Roman V.
    • April 28

20. ST6/TT6 Tire Section Width Guide 1 2

    By 1jeffcat, September 6, 2018
    • 29 replies
    • 2085 views
    • 
    • DarkGift
    • April 19

21. Toyo R888R

    By Greyout81, April 7
    • 1 reply
    • 204 views
    • 
    • Greg G.
    • April 7

22. ST6- What can be removed?

    By 1jeffcat, March 31
    • 1 reply
    • 185 views
    • 
    • Roman V.
    • April 1

23. ST1 rule - replacing an OEM frame brace with a bolt-in tube

    By Greyout81, March 27
    • 5 replies
    • 197 views
    • 
    • Greyout81
    • March 29

24. ST4 BTM aero rules clarification for hood and bumper cooling mods 1 2

    By codename Bil Doe, March 11
    • 27 replies
    • 885 views
    • 
    • David Sk.
    • March 28

25. ST/TT 5 Strut Tower Brace/Bar Allowed?

    By badamowski, March 4
    • 3 replies
    • 248 views
    • 
    • 1jeffcat
    • March 17