Re: 1957 Scott Atwater 16hp carb settings

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April 20, 2015 at 5:57 pm #14363
retiredoz
Participant

    Depends on which carb you have. If it’s a Carter model N, the initial setting for both needles is approx 3/4 turn open. For the Tillotson MD the settings are 3/4 on the idle mix, and 1 1/2 turns on the main. On the MD, counter-clock rotation on the idle mix screw LEANS the micture..