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Thread: Booster size?

  1. #1

    Default Booster size?

    I see boosters listed in .140, .160 & .180 what do these sizes pertain to? What's the appropriate one for a 670 CFM?

  2. #2
    Join Date
    Jan 2010
    Brisbane, Australia


    The booster leg internal bore size. Smaller bore for small carbs, most likely .140 for a 670. Gary
    Regards, Gary

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