Help with ignition timing
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Help with ignition timing

  1. #1
    Junior Member
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    Default Help with ignition timing

    Hello, not sure where to post this question, but anyone who is familiar with common, modern, inboard outboard types of boats may be able to help. I have a basket case 1996 Ebbtide bowrider with a genV 454. I acquired the boat with the engine in pieces and all wiring and accessories in a large tote. The engine is carburated with a Q-jet but the distributor is a late model HEI with no advance mechanism inside. I know on cars this style of distributor gets its timing advance from the ECM which is fed to the ignition module. Question is, would my boat have a computer located somewhere just to control the timing? Or is the timing locked out, if so where should it be set? I know the history of the boat and it has always been carburated and has had the same distributor.

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  3. #2
    mo balls than $cents$ IMPATIENT 1's Avatar
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    Default

    Prob locked.is the carb fully mechanical other than choke?

    Dare to be different, if it turns out great you can claim you planned it that way.

    Jetboatperformance.com

  4. #3
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    Yes it is mechanical, not electronic Q-jet. I had just looked on ebay for mercruiser ecm's and found a few that appear to only control timing. So I am thinking my boat has a computer, now I need to locate it and figure out how to set the base timing.

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