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Ignition System (not starter) and ECUs

including engine management: CDI, ECU and DME and running problems (ignition)

234 topics in this forum

  1. 'Classic Retrofit' Bosch CDI+ Replacement Ignition Unit (Spark Box) 1 2 3

    By Jonny Hart,
    • 60 replies
    • 25.8k views

  2. Testing spark plug wires

    By Northy,
    • 5 replies
    • 213 views

  3. Timing mark walking at idle

    By Northy,
    • 9 replies
    • 312 views

  4. 1/2” crank sensor

    By PeterK,
    • 5 replies
    • 134 views

  5. EFi & coil packs

    By PeterK,
    • 4 replies
    • 201 views

  6. Tell me how to check the timing of my 911

    By Ivelosttheplot,
    • 3 replies
    • 832 views

  7. Anyone on here have a Clewett / Electromotive XDi ignition system please?

    By 911hillclimber,
    • 1 reply
    • 1.9k views

  8. Ignition switch issue.

    By SCTarga,
    • 7 replies
    • 455 views

  9. How do I fire two coils from one signal?

    By Chris T,
    • 18 replies
    • 4k views

  10. CDi Ignition Control Unit - Replacement Options

    By rattytat,
    • 5 replies
    • 1.8k views

  11. How much (charging) voltage is too much for a CDI?

    By Chris T,
    • 2 replies
    • 910 views

  12. Re-routing plug wires

    By SurlySurdi,
    • 5 replies
    • 672 views

  13. Timing mark on 3.2 distributor, how close do I need to be?

    By Chris T,
    • 13 replies
    • 1.2k views

  14. Trigger wheels and start up

    By Jonny Hart,
    • 11 replies
    • 905 views

  15. 911 2.7 Trigger wheel and sensor mount

    By Diesel76,
    • 1 reply
    • 1k views

  16. How to test coil on plug coils

    By sopor,
    • 1 reply
    • 757 views

  17. My 123 dizzy curve looks wrong!?

    By Diesel76,
    • 1 reply
    • 1.7k views

  18. 1976 911s Megasquirt with EDIS 6?

    By Diesel76,
    • 4 replies
    • 748 views

  19. Ignition timing - position of distributor

    By sjwright944,
    • 7 replies
    • 908 views

  20. Setting up a 1976 2.7 MSD AL6, BitzEFI and 123 PURE 6 dizzy

    By Diesel76,
    • 4 replies
    • 600 views

  21. Timing - Vacuum Advance and Retard

    By Lesworth,
    • 0 replies
    • 873 views

  22. Best Ignition Leads to compliment the Classic Retrofit CDI+ box 1 2

    By carrpet,
    • 40 replies
    • 3.3k views

  23. Distributor tab broken! 1 2

    By SurlySurdi,
    • 30 replies
    • 3.7k views

  24. Ongoing Canems ECU issue - need HT leads advice

    By Chris T,
    • 8 replies
    • 1.3k views

  25. Back to full revs

    By jellyfishfields,
    • 6 replies
    • 858 views

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