General Tech

2,314 topics in this forum

1. Turbos on a Seven 1 2 3 4 10

   By MichaelD, March 18, 2012
   • 197 replies
   • 53.4k views
   • 
   • xcarguy
   • December 6, 2013

2. Aero Devices diffusers, wings, spoilers, etc 1 2 3 4 8

   By MichaelD, November 29, 2010
   • 144 replies
   • 76.4k views
   • 
   • Croc
   • March 18, 2013

3. Your overall favorite engine for a Lotus 7 variant. 1 2 3 4 7

   By Ruadhd2, October 21, 2010
   • 131 replies
   • 46.9k views
   • 
   • m wirth
   • September 25, 2011

4. Handeling Thread 1 2 3 4 7

   By Guest Terry, January 13, 2014
   • 129 replies
   • 34.4k views
   • 
   • JohnK
   • May 25, 2015

5. I'm offering $100 to anyone who can solve my car's nightmarish issues 1 2 3 4 7

   By Ted7, July 23, 2025
   • 121 replies
   • 4.9k views
   • 
   • panamericano
   • August 4, 2025

6. heim joints on wcm ultralite /xr7 and other 7s 1 2 3 4 6

   By RGTorque, May 7, 2009
   • 118 replies
   • 38.4k views
   • 
   • GunshipDriver
   • July 13, 2014

7. Full roll cage attachment 1 2 3 4 5

   By Klasik-69, March 13, 2012
   • 95 replies
   • 36.1k views
   • 
   • Klasik-69
   • February 14, 2013

8. duratec downgraded to 3-cyl 1 2 3 4 5

   By ralph, September 4, 2023
   • 86 replies
   • 7.6k views
   • 
   • MV8
   • December 13, 2023

9. GIRLING 74660152 90s Cat MC replacement ideas 1 2 3 4 5

   By IamScotticus, May 25, 2022
   • 82 replies
   • 7.4k views
   • 
   • IamScotticus
   • September 22, 2023

10. General Zetec powered Caterhams/7's discussion 1 2 3 4 5

    By Vovchandr, March 6, 2023
    • 80 replies
    • 9.3k views
    • 
    • pethier
    • May 26, 2025

11. Getting atrocious mileage? 1 2 3 4

    By Vovchandr, May 9, 2019
    • 74 replies
    • 19.2k views
    • 
    • Vovchandr
    • June 29, 2020

12. Cosworth CSR260 Duratec rebuild/swap in S3 1 2 3 4

    By vstryker, January 19, 2016
    • 72 replies
    • 33.1k views
    • 
    • vstryker
    • December 5, 2016

13. Sanity Check - Cooling issues 1 2 3 4

    By Silber, April 13, 2025
    • 67 replies
    • 4.6k views
    • 
    • Vovchandr
    • July 30, 2025

14. Debugging of my Caterham begins 1 2 3 4

    By mrmustang, January 11, 2025
    • 66 replies
    • 5.3k views
    • 
    • fotsyr
    • May 16, 2025

15. Caterham A Frames - check them as part of your annual maintenance 1 2 3 4

    By Croc, May 26, 2019
    • 66 replies
    • 12.6k views
    • 
    • CarlB
    • January 21, 2024

16. Santa Came early - R400 Roller Barrel Conversion! 1 2 3 4

    By SK400, December 5, 2016
    • 65 replies
    • 24.9k views
    • 
    • SK400
    • October 9, 2017

17. Street datalogging 1 2 3 4

    By sltous, November 9, 2021
    • 64 replies
    • 7.5k views
    • 
    • sltous
    • November 28, 2022

18. Fuel cell installation 1 2 3

    By sf4018, May 28, 2021
    • 59 replies
    • 8.8k views
    • 
    • Croc
    • September 30, 2021

19. Lightweight batteries 1 2 3

    By Croc, December 8, 2012
    • 57 replies
    • 23.4k views
    • 
    • maurice1
    • May 19, 2016

20. No Driveshaft Loop! 1 2 3

    By MightyMike, February 22, 2010
    • 55 replies
    • 24.2k views
    • 
    • jimrankin
    • June 11, 2012

21. Crossflow Cooling System -Overflow Tank or Expansion Tank 1 2 3

    By KS7, August 27, 2015
    • 54 replies
    • 6.3k views
    • 
    • MV8
    • December 5, 2025

22. Air filters on a pair of DCOE 40 Webers 1 2 3

    By Stevensonjr, March 22, 2024
    • 53 replies
    • 5.9k views
    • 
    • Stevensonjr
    • April 21, 2024

23. Stalling and poorly running Duratec 1 2 3

    By frizille, September 6, 2016
    • 52 replies
    • 22.3k views
    • 
    • frizille
    • October 28, 2016

24. 3rd syncro AWOL 1 2 3

    By coffee break, August 30, 2014
    • 51 replies
    • 16.5k views
    • 
    • coffee break
    • July 24, 2015

25. Getting decent video audio on your Seven 1 2 3

    By Croc, July 23, 2013
    • 50 replies
    • 23.3k views
    • 
    • xcarguy
    • March 7, 2020