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Old 03-22-2003, 05:03 PM
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Additional power can be realized over many sport type engines if a Perry/Varsane/Conley pump is used with a matching Perry 'pump' carburator. Many engines are limited in their venturi size by the need to provide suction to help in fuel draw. The Perry pump type carb will have a considerably larger venturi for any given stock application and produce more power. Perry does make pumped and unpumped carbs and the pump type will not effectively work without the pump.