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Blower Carb Sizes

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Determining Blower Carb Sizes

Dual Carbs are recommended for most blower applications. Choosing the correct size carb is essential for the proper operation of the blown motor. The following formula below will help you determine the correct size Carbs for any blown application.

[(DxR)/3456] x [(B/14.7)+1]=C

D = Cubic inch displacement of the motor

R = Maximum engine RPM

B = Maximum blower boost

C = Maximum CFM required