Ignition, ECU and Fuel Injection

460 topics in this forum

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

   By DaveNotSoSideways, February 12, 2008
   • 44 replies
   • 18.9k views
   • 
   • rogerguzzi
   • May 6, 2025

2. Quick and dirty EFI guide

   By Nick Jones, October 13, 2008
   • 10 replies
   • 12.6k views
   • 
   • toofast2race
   • January 23, 2014

3. Printable Degree Wheel for ECU/MEGAJOLT ETC

   By DaveNotSoSideways, February 20, 2008
   • 4 replies
   • 20.9k views
   • 
   • michael G
   • February 11, 2013

4. Excell based Ignition Calculator Megajolt  

   By DaveNotSoSideways, February 12, 2008
   • 3 replies
   • 5.1k views
   • 
   • Nick B.
   • June 6, 2011

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

   By zetecspit, January 12
   • 20 replies
   • 211 views
   • 
   • zetecspit
   • January 14

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

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

7. megajolt woes. RPM does not register

   By Nick B., December 20, 2025
   • 13 replies
   • 279 views
   • 
   • RedRooster
   • January 2

8. Wideband AFR kit

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

9. Fuel injector sizes

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

10. 123 Tune + distributor

    By Hamish, December 31, 2024
    • 20 replies
    • 1.3k views
    • 
    • Hamish
    • October 20, 2025

11. Fuel injection vacuum and idle circuits

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

12. Stuff just doesn't last!

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

13. Renault Laguna no Spark

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

14. Spitty Fueling Problems 1 2 3

    By rogerguzzi, June 6, 2024
    • 61 replies
    • 5.1k views
    • 
    • rogerguzzi
    • June 6, 2025

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

    By SpitfireBGT, February 20, 2022
    • 34 replies
    • 8.5k views
    • 
    • Hamish
    • April 30, 2025

16. Plenum size

    By zetecspit, January 5, 2025
    • 7 replies
    • 1.2k views
    • 
    • Escadrille Ecosse
    • January 7, 2025

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

    By RedRooster, November 19, 2024
    • 34 replies
    • 2.1k views
    • 
    • Escadrille Ecosse
    • November 27, 2024

18. Aldon Amethyst Ignition

    By CHRIS211083, October 2, 2016
    • 19 replies
    • 3.9k views
    • 
    • Nick Jones
    • October 26, 2024

19. Inlet plenum design

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

20. Mounting EDIS 6

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

21. Swapping ITBs to single plus plenum

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

22. AFR shooting up and down

    By zetecspit, May 8, 2023
    • 14 replies
    • 1.6k views
    • 
    • zetecspit
    • September 11, 2024

23. Extruded fuel rail size?

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

24. Starting a six-pot 1 2

    By PaulAA, May 26, 2024
    • 48 replies
    • 3.5k views
    • 
    • PaulAA
    • August 16, 2024

25. New coil...

    By andymcp, July 24, 2024
    • 1 reply
    • 562 views
    • 
    • Escadrille Ecosse
    • July 24, 2024