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270 Methanol jetting

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  • 270 Methanol jetting

    I know that there is a difference between gasoline and methanol when it comes to the power jet, but is there a difference when it comes to the main jet. Also does anyone know/have a drill index chart for drilling methanol jets?

  • #2
    Yes big difference, get a pair of calipers and a drill bit index for .060 to .130. Whatever drill bit sets covers that range. You shouldn't be that low/ high for the main and power unless something is wrong.

    I purchased a set of gage pins that are 100% accurate but they are expensive. Found some jets off by .002-.003 with these pins.

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