For most applications, a balancer will work better than a crank hub for eliminating harmonics in the motor. We recommend the use of a quality aftermarket balancer since stock balancers do not hold up well on blown motors. Crank hubs are recommended for high boost race applications.

Stacey Steffensen   December 22, 2017  


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This is caused by a rich/lean cycle at idle. As the motor leans out the RPM’s increase and richen up the motor, when the motor richens the RPM’s decrease and the motor leans out again. This continual cycle is known as “blower surge”. With proper tuning, some of this surging should be able to be eliminated.

Stacey Steffensen   December 22, 2017  


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The blower belt adjustment should be done with the motor cold, and have 3/4″ deflection in or out on the long side of the belt. This should give you 1 1/2″ total deflection. Once the motor is warm this will decrease to roughly 1/4″ deflection in or out, or a total deflection of 1/2″. Over tightening the belt can cause severe damage to the blower and/or crankshaft.

Stacey Steffensen   December 22, 2017  


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No. Your supercharged engine will require at least 120 GPH (gallons per hour). It can be either a mechanical or electric pump.

Stacey Steffensen   December 22, 2017  


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You can modify your naturally aspirated carburetors to work on a supercharged engine. This will require extensive carburetor knowledge and a complete understanding of the fuel demands of a supercharged engine. We do however recommend the use of a Blower Calibrated Carburetor.

Stacey Steffensen   December 22, 2017  


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You should torque the supercharger to 10-12 ft/lbs. for most applications.

Some Intercoolers (not TBS brand) that use long steel studs may require more torque for a proper seal, normally 18-20 ft/lbs.

Stacey Steffensen   December 22, 2017  


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Please give us a call at (208)985-7650 and specify what supercharger you have.

Stacey Steffensen   December 22, 2017  


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You should run a High Quality 80w/90 gear oil with a GL-5 rating with Zinc. Synthetic oil or Synthetic blends are OK to use. We do sell oil with Zinc, the part number is #4110.

Stacey Steffensen   December 22, 2017  


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You can contact us at (208) 985-7650 (Phone) or (208) 985-7655 (Fax)

You can also email us at info@theblowershop.com anytime.

facebook.com/theblowershop
instagram.com/theblowershop
youtube.com/theblowershop

Stacey Steffensen   December 22, 2017  


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Determining What Size Carburetor You Need

Maximum CFM Required = ((Engine CID x maximum RPM) / 3456) x ((max boost / 14.7) + 1)

Where:
Engine CID = cubic inches of motor
Maximum RPM = Max RPM the motor will be turned
Max boost = Max boost under wide open throttle

Note: The chart and equations on this page are meant to provide fairly accurate numbers to help you achieve the proper engine settings. Please keep in mind that all engines are unique and tolerances will vary from one engine to the next. Use these numbers as a point of reference and not as an ultimate authority.

Example:

 

Stacey Steffensen   February 8, 2018  


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