ST/SU

747 topics in this forum

1. TT Classification for Non-US Production cars

   By uuayala, August 20, 2019
   • 2 replies
   • 799 views
   • 
   • uuayala
   • August 22, 2019

2. ST Rules Revision - August 1, 2019

   By Greg G., August 18, 2019
   • 0 replies
   • 1.8k views
   • 
   • Greg G.
   • August 18, 2019

3. Toyo R888R

   By Greyout81, April 7, 2019
   • 3 replies
   • 1.2k views
   • 
   • Greg G.
   • August 18, 2019

4. ST4 Tire tutorial

   By esr, December 10, 2016
   • 18 replies
   • 12.5k views
   • 
   • mmmbrap
   • August 17, 2019

5. ST4 sequential transmission

   By esr, July 18, 2019
   • 2 replies
   • 1.1k views
   • 
   • esr
   • August 16, 2019

6. flat floor penalty

   By jonesy79, August 5, 2019
   • 3 replies
   • 1.1k views
   • 
   • Greg G.
   • August 15, 2019

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

   By JoeMag, August 5, 2019
   • 0 replies
   • 621 views
   • 
   • JoeMag
   • August 5, 2019

8. ST5-6 Track Width Rule 6.1.9.8

   By Magus2727, July 25, 2019
   • 2 replies
   • 1.9k views
   • 
   • Magus2727
   • July 26, 2019

9. Mustang Suspension Tuning Help

   By Rapidroy10, July 23, 2019
   • 1 reply
   • 647 views
   • 
   • Roman V.
   • July 26, 2019

10. Panoz eligibility and Mod factor discussion

    By Tansar_Motorsports, June 24, 2019
    • 4 replies
    • 842 views
    • 
    • Tansar_Motorsports
    • July 23, 2019

11. Low HP tube chassis car in ST4

    By funcup, June 26, 2019
    • 1 reply
    • 781 views
    • 
    • CRallo
    • July 23, 2019

12. Chop Top Safety Requirements

    By mdotmurphy, July 5, 2019
    • 0 replies
    • 709 views
    • 
    • mdotmurphy
    • July 5, 2019

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

    By Greg G., April 11, 2019
    • 27 replies
    • 4.9k views
    • 
    • Greg G.
    • June 17, 2019

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

    By Greg G., April 26, 2019
    • 2 replies
    • 2.1k views
    • 
    • Greg G.
    • June 17, 2019

15. Gurney Flap Limits

    By seanshepard1, May 25, 2019
    • 2 replies
    • 842 views
    • 
    • seanshepard
    • June 16, 2019

16. End links in ST6?

    By 1jeffcat, May 29, 2019
    • 2 replies
    • 856 views
    • 
    • 1jeffcat
    • May 29, 2019

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

    By Greg G., April 25, 2019
    • 78 replies
    • 12.8k views
    • 
    • jimgood
    • May 29, 2019

18. Platforms for ST4?

    By Mister Monaco, May 16, 2019
    • 4 replies
    • 1.2k views
    • 
    • Tansar_Motorsports
    • May 17, 2019

19. ST4 Torsion Bar Suspension Conversion Legality

    By Tansar_Motorsports, May 7, 2019
    • 1 reply
    • 676 views
    • 
    • Greg G.
    • May 15, 2019

20. Ballast rule in ST6?

    By 1jeffcat, May 10, 2019
    • 2 replies
    • 676 views
    • 
    • 1jeffcat
    • May 11, 2019

21. Edit Link Request Not Receiving an Email

    By JH36, April 28, 2019
    • 7 replies
    • 1.5k views
    • 
    • Roman V.
    • April 28, 2019

22. ST6- What can be removed?

    By 1jeffcat, March 31, 2019
    • 1 reply
    • 825 views
    • 
    • Roman V.
    • April 1, 2019

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

    By Greyout81, March 27, 2019
    • 5 replies
    • 1.8k views
    • 
    • Greyout81
    • March 29, 2019

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

    By codename Bil Doe, March 11, 2019
    • 27 replies
    • 3.3k views
    • 
    • David Sk.
    • March 28, 2019

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

    By badamowski, March 4, 2019
    • 3 replies
    • 897 views
    • 
    • 1jeffcat
    • March 17, 2019