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Thread: Strobe setting

  1. #1
    NSRA member falcon's Avatar
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    Strobe setting

    Hi my falcon has duel points and I want to check the settings with a strobe light. Itís running a 351 Cleaveland. I doubt itís tdc but donít really know. I will check what itís set at but would be interested on what itís supposed to be. Itís running a bit rough at the moment so I need to re set stuff cheers

  2. #2
    NSRA member falcon's Avatar
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    Just read a article on Cleaveland and it’s saying 6-12 btdc but you can go to 36 btdc really. I need to see what my settings are . Thanks

  3. #3
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    The 6-12 btdc is a static setup that'll get the motor started. The 36btdc is the timing at about 3k rpm when the mechanical advance is 'all in', and with vac disconnected and plugged.

    A dial back timing light makes this very simple, otherwise you need a suitable timing tape on your balancer (or you can mark it yourself after doing the maths!). Not a bad idea to verify that the tdc mark is accurate as well.
    Bumper sticker - This is an historic vehicle and only has three speeds....... if you don't like this one you sure as hell won't like the others.

  4. #4
    NSRA member Captain Scarlet's Avatar
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    36 btdc,will be total advance and not at idle speed,you may know that,but just to be clear.

    most engines are in more or less the same ball park,if it’s stock I would set it around 8btdc and try it.
    check the vac advance is not affecting the result,some do,so plug the small bore rubber hose.

  5. #5
    NSRA member Captain Scarlet's Avatar
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    You posted while I was typing Chris

  6. #6
    NSRA member falcon's Avatar
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    Cheers lads����

  7. #7
    unless the engine is completely standard the factory settings will only get you close. ideally a rolling road setup is best, but i usually advance the timing until it 'pinks' (pre ignition) under hard acceleration then back it off 3 or 4 degrees as required. also the fuel makes a difference as normal unleaded won't allow as much advance without pinking as super unleaded.
    neil.

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