AMERICAN

Tom Smith's Max Torque Special -- Triple Mac 10's

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Gil Horstman Commando Mac75 B-Limited Engine

+.080" over bore with Horstman stroker crankshaft (8.2 cu-in)

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Duffy Livingston's Front engine Puch powered GoKart

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Mac10 stroker engine with VanTech manifold

circa 1959

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Power Products AH-58 with Palmini girdle set up

circa 1960

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