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Thread: Ever use this for spark to tune motors?

  1. #1
    Join Date
    Nov 2005
    Location
    New Jersey
    --
    659

    Ever use this for spark to tune motors?

    http://www.carbtune.co.uk/colortune.html

    EVER USE THIS FOR TUNING MOTORS?
    http://www.pilotodyssey.com/PO/index.php

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  2. #2
    Join Date
    Mar 2010
    Location
    Manitoba
    --
    536
    Never used one. That colortune has been around for a long long time. Considering its only suitable for adjusting the idle mixture, I can't see springing for it. I just set my mixture for the peak lean mixture. Turn in until it starts to stumble, then just rich enough to bring it back up to peak. Its a lot easier to get a visual on this with engines that have a tap for a vacuum gauge. You can then set it for peak lean vacuum. The "perfect" setting is going to change anyhow with changes in ambient air temperature and barometric conditions.
    84 200x

  3. #3
    Join Date
    Nov 2009
    Location
    just below the bridge, Michigan
    --
    1,147
    Funny I was just looking at it today. But I'm probably buying the MotionPro carb sync but mainly because I can get it locally the next day and I've got a guy who needs the carbs on his Goldwing tuned. Looks like a nice piece but they haven't updated their website in a long time. Plus MotionPro makes great stuff and has great customer support. Some small companies come up with something great and then they vanish.

    However I think a carb sync would be totally useless for single carb engines, they are meant for syncing multi carb engines. Unless you wanted to sync 4 three wheelers together. I wonder if you synced 4 three wheelers if they would start to resonate in the frequency of bas ass.

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