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SynchPro Vacuum Tool

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    SynchPro Vacuum Tool

    To preempt the "get a CarbTune, yadda yadda," -- I know that the CarbTune is better. Just didn't know that before I ordered the SynchPro.

    Motion Pro - High quality cables, tools and controls for motorcycles, ATVs, snowmobiles and personal watercraft.




    Trying to use the SynchPro, but I cannot calibrate the damn thing.

    I have the restrictors in the right place and backed out the adjustment screws to give max vacuum range (i.e., lowest possible position in the tube). The instructions say this will allow best calibration, allowing me to raise the fluid levels to a baseline.

    But it doesn't.

    Instead, the fluid shoots up the tubes leaving them at the top of the gauge or off the chart altogether.

    Am I just out the $100, or is there another variable that will help me get this thing to work? I may need to add some of the special toilet-water to try again, but want to see if that is even worth trying before I spend good money after bad.

    TIA

    #2
    I have one of these. Do you realize it has to be calibrated every time you use it?
    Is your idle set low enough? Too high of an idle will cause the fluid to rise up too high.

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      #3
      Calibration is where I have the problem.

      I was calibrating it at about 1,200 - 1,500 RPM.

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