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Thread: Help! MSD 8365, engine doesn't run on 8 cylinders.

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    Default Help! MSD 8365, engine doesn't run on 8 cylinders.

    Hi. Sorry for my English, I'm from Germany.

    My problem with the MSD 8365 Pro Billet HEI:
    We installed the MSD distributor and the engine started immediately.
    The ignition point is constant at 10°.
    The engine does not run on all 8 cylinders.
    When flashing, only every 2nd ignition is displayed.

    12V voltage is present at the distributor.
    Ground is connected directly to the battery.
    2 x Silver Heavy Springs.

    We have adjusted the distributor in the booth to early & late, but no change.
    We did not connect the gray tachometer cable.
    We then installed another normal distributor and the engine started up smoothly and ran quietly and cleanly.
    The ignition coil from the MSD 8365 is OK and runs without problems on my old distributor.

    This is the 2nd MSD 8365 distributor because the first new distributor could not be installed due to a defect and went back to the dealer in the Netherlands.

    GM 5.7L/TH350 in a 1974 Chevy Nova

    My questions:
    Is the gray cable important for the correct operation of the distributor?
    Is the distributor suitable for a normal 5.7L engine?
    Can it be that the distributor runs in the REV limit and how can I get it out?
    I don't know what to do with the distributor. I'm happy about help. Andre
    Last edited by ChevyNova; 04-27-2020 at 03:29 AM.

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