The fuel to air ratio is greater with methanol than it is with ethanol, don't know the exact number but comparing regular gasoline(14 to 1) E85(10 to 1), Ethanol(9 to 1) and methanol(7 to 1) The first number being volume of air the second being volume of fuel. Takes more air to burn gasoline and less air to burn Methanol, ethanol is somewhere in between. Less air means more fuel.
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