Ignition, ECU and Fuel Injection

461 topics in this forum

1. Megajolt / MegaSquirt maps, Attach them here. 1 2

   By DaveNotSoSideways, February 12, 2008
   • 44 replies
   • 19.3k views
   • 
   • rogerguzzi
   • May 6, 2025

2. Quick and dirty EFI guide

   By Nick Jones, October 13, 2008
   • 10 replies
   • 12.8k views
   • 
   • toofast2race
   • January 23, 2014

3. Printable Degree Wheel for ECU/MEGAJOLT ETC

   By DaveNotSoSideways, February 20, 2008
   • 4 replies
   • 21.2k views
   • 
   • michael G
   • February 11, 2013

4. Excell based Ignition Calculator Megajolt  

   By DaveNotSoSideways, February 12, 2008
   • 3 replies
   • 5.2k views
   • 
   • Nick B.
   • June 6, 2011

5. Megajolt running rough. Where to start

   By Nick B., March 9
   • 2 replies
   • 92 views
   • 
   • Nick B.
   • March 10

6. megajolt woes. RPM does not register

   By Nick B., December 20, 2025
   • 18 replies
   • 524 views
   • 
   • Nick B.
   • March 2

7. What idle valve and air temp sensor for microsquirt?

   By zetecspit, January 12
   • 22 replies
   • 483 views
   • 
   • rogerguzzi
   • February 1

8. Using a MAF sensor on microsquirt. Good idea or not?

   By zetecspit, January 13
   • 1 reply
   • 84 views
   • 
   • Nick Jones
   • January 13

9. Wideband AFR kit

   By yorkshire_spam, December 17, 2025
   • 4 replies
   • 175 views
   • 
   • egret
   • December 18, 2025

10. Fuel injector sizes

    By egret, October 20, 2025
    • 2 replies
    • 233 views
    • 
    • egret
    • October 21, 2025

11. 123 Tune + distributor

    By Hamish, December 31, 2024
    • 20 replies
    • 1.6k views
    • 
    • Hamish
    • October 20, 2025

12. Fuel injection vacuum and idle circuits

    By egret, September 9, 2025
    • 6 replies
    • 660 views
    • 
    • Nick Jones
    • September 11, 2025

13. Stuff just doesn't last!

    By zetecspit, June 19, 2025
    • 9 replies
    • 497 views
    • 
    • yorkshire_spam
    • June 23, 2025

14. Renault Laguna no Spark

    By Mark, June 17, 2025
    • 14 replies
    • 886 views
    • 
    • Nick Jones
    • June 21, 2025

15. Spitty Fueling Problems 1 2 3

    By rogerguzzi, June 6, 2024
    • 61 replies
    • 5.5k views
    • 
    • rogerguzzi
    • June 6, 2025

16. Developing AFR and VE tables from scratch? 1 2

    By SpitfireBGT, February 20, 2022
    • 34 replies
    • 9.1k views
    • 
    • Hamish
    • April 30, 2025

17. Plenum size

    By zetecspit, January 5, 2025
    • 7 replies
    • 1.4k views
    • 
    • Escadrille Ecosse
    • January 7, 2025

18. Fuel coolers and FI supply (Split from “Her name is Bella”) 1 2

    By RedRooster, November 19, 2024
    • 34 replies
    • 2.4k views
    • 
    • Escadrille Ecosse
    • November 27, 2024

19. Aldon Amethyst Ignition

    By CHRIS211083, October 2, 2016
    • 19 replies
    • 4.1k views
    • 
    • Nick Jones
    • October 26, 2024

20. Inlet plenum design

    By zetecspit, October 1, 2024
    • 4 replies
    • 1k views
    • 
    • zetecspit
    • October 1, 2024

21. Mounting EDIS 6

    By TVR vixen, September 25, 2024
    • 1 reply
    • 532 views
    • 
    • Nick Jones
    • September 25, 2024

22. Swapping ITBs to single plus plenum

    By zetecspit, September 11, 2024
    • 4 replies
    • 884 views
    • 
    • zetecspit
    • September 12, 2024

23. AFR shooting up and down

    By zetecspit, May 8, 2023
    • 14 replies
    • 1.7k views
    • 
    • zetecspit
    • September 11, 2024

24. Extruded fuel rail size?

    By John I, August 16, 2024
    • 2 replies
    • 717 views
    • 
    • Nick Jones
    • August 16, 2024

25. Starting a six-pot 1 2

    By PaulAA, May 26, 2024
    • 48 replies
    • 3.8k views
    • 
    • PaulAA
    • August 16, 2024