ST/SU

770 topics in this forum

1. Rush SR1

   By davidfarmer, June 21, 2020
   • 1 reply
   • 1.6k views
   • 
   • Tansar_Motorsports
   • June 23, 2020

2. TT5/ST5 rain tire sizing

   By Tansar_Motorsports, June 10, 2020
   • 1 reply
   • 1.2k views
   • 
   • dwesterwick
   • June 14, 2020

3. ST5 Rear Diffuser Clarification

   By Magnuson, May 13, 2020
   • 2 replies
   • 1.7k views
   • 
   • Greg G.
   • May 14, 2020

4. Car Numbers

   By Clavette, March 20, 2020
   • 2 replies
   • 1.6k views
   • 
   • Clavette
   • March 20, 2020

5. Exocet

   By Austin Hunter, March 11, 2020
   • 1 reply
   • 1.4k views
   • 
   • DanielsDM
   • March 12, 2020

6. Hood sealing

   By RoxFatal, March 3, 2020
   • 4 replies
   • 1.8k views
   • 
   • Greg G.
   • March 11, 2020

7. Does the battery need to be in a box?

   By Matt Zimmer, February 19, 2020
   • 1 reply
   • 1.3k views
   • 
   • Greg G.
   • February 20, 2020

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

   By Chuck T., August 5, 2019
   • 3 replies
   • 1.6k views
   • 
   • Matt G.
   • February 17, 2020

9. Aftermarket Sub Frames

   By ecronbach, January 21, 2020
   • 2 replies
   • 1.4k views
   • 
   • ecronbach
   • February 12, 2020

10. Oil pan skid plate legality?

    By codename Bil Doe, January 4, 2020
    • 1 reply
    • 1k views
    • 
    • Greg G.
    • February 11, 2020

11. ST4 Aero with replaced fascia

    By RoxFatal, January 28, 2020
    • 3 replies
    • 1.4k views
    • 
    • Greg G.
    • February 4, 2020

12. ST6/TT6 Tire Section Width Guide 1 2

    By 1jeffcat, September 6, 2018
    • 33 replies
    • 8.6k views
    • 
    • Davidss
    • January 27, 2020

13. NASA Championship ST3 Start Near Miss

    By Mike25, October 16, 2019
    • 1 reply
    • 1.5k views
    • 
    • countryboyshane
    • January 22, 2020

14. 3D printed tire template

    By Davidss, January 17, 2020
    • 3 replies
    • 1.4k views
    • 
    • int2str
    • January 18, 2020

15. Roll cage mounting plate

    By MacOne, January 9, 2020
    • 4 replies
    • 1.5k views
    • 
    • Brett B.
    • January 17, 2020

16. ST3 Fender Flares and exposed tires

    By Chad M., December 7, 2019
    • 2 replies
    • 1.3k views
    • 
    • Greg G.
    • December 8, 2019

17. Two piece rotors still considered OEM (ST6)

    By Magus2727, November 17, 2019
    • 1 reply
    • 1.7k views
    • 
    • Greg G.
    • November 18, 2019

18. ST6 Spoiler vs Wing (6.1.5 ST6)

    By DavidSinger, October 2, 2019
    • 9 replies
    • 2.1k views
    • 
    • Magus2727
    • November 17, 2019

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

    By CRallo, November 6, 2019
    • 0 replies
    • 912 views
    • 
    • CRallo
    • November 6, 2019

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

    By Al36rx7, October 21, 2019
    • 2 replies
    • 1.2k views
    • 
    • Al36rx7
    • October 25, 2019

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

    By MXDave813s, July 25, 2019
    • 16 replies
    • 2.8k views
    • 
    • DavidSinger
    • October 15, 2019

22. Roll cage mounting points question

    By Tansar_Motorsports, September 9, 2019
    • 1 reply
    • 1.5k views
    • 
    • Tansar_Motorsports
    • September 9, 2019

23. Technical Bulletin--Appendix B--OEM Aero 3-25-17

    By Greg G., March 25, 2017
    • 4 replies
    • 5.5k views
    • 
    • Greg G.
    • August 26, 2019

24. TT Classification for Non-US Production cars

    By uuayala, August 20, 2019
    • 2 replies
    • 1.2k views
    • 
    • uuayala
    • August 22, 2019

25. ST Rules Revision - August 1, 2019

    By Greg G., August 18, 2019
    • 0 replies
    • 2.2k views
    • 
    • Greg G.
    • August 18, 2019