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Carburetors are no longer used on modern vehicles. It is a device that mixes the fuel and air mixture to the optimum mix of 14.7 to 1 and routes it to all cylinders by way of an intake manifold. It controls your speed by allowing more or less air into the carburetor by way of a butterfly valve controlled by the accelerator pedal. The more air the more vacuum is created and the more fuel is drawn in.

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