ATI 4CD-SBF-3   Ford Small Block F-3 CrankDrive

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Note: Head unit is not included

The award winning CrankDriveTM gear drive is capable of 3,000+ horsepower, and allows for a variety of accessories, easy change of gear ratios, maximum efficiency and extreme power levels. Compatible with race superchargers from F-1 to F-4, the CrankDrive is available for most drag racing engine applications. 

 You can change gears with the unit still mounted on the engine. That saves quite a bit of time, and can actually be done between rounds, if necessary.

 ProCharger has added an accessory drive and a method to turn the engine over, externally. The accessory drive on the side of the unit allows you to mount a fuel pump, vacuum pump, oil pump, or even a magneto on the unit. There’s also a provision on the backside of the gear drive unit to turn the engine over for valvetrain maintenance or any other engine maintenance that needs to be done.

KEY FEATURES

•   The ProCharger CrankDriveTM positions the supercharger higher than other gear drives to allow for better steering component and frame clearance 

•   Lightweight design 

•   Easy to assemble, disassemble, and swap gear ratios 

•   Complete assembly for specific engines, no sourcing additional components 

•   Optional alternator drive 

•   Optional fuel pump drive 

•   Allows engine to rotate both directions for servicing 

Shown is the  accessory drive which provides mechanical power for engine-driven accessories such as fuel pumps, oil pumps, and magnetos.

 Images - ProLine's Pro Mod Race Car and ProCharger CrankDriveTM product with F-3X-140 supercharger

 For those racers and extreme HP street car owners looking for a gear drive to easily mount your ProCharger supercharger directly to the crank, we have the solution for you.  The ProCharger CrankDriveTM is made in Kansas City out of high strength T6061 billet aluminum and is engineered to bolt right up to most popular engine blocks (see list below).  We now offer a complete solution for those racers who want a simple and easy installation so they can focus on getting their race car ready for the track. Key benefits include:

• Supports all F3 Series Superchargers (F-1X-12, F-3D, F-3R & F-3X models)
• Capable of supporting 3,500+ horsepower, this baby can handle the power!
• Positions the supercharger higher than other gear drives to allow for better steering component and frame clearance
• Lightweight and durable design (see exploded view below)
• Easy to assemble, disassemble, and swap gear ratios for different tracks or tuning
• Complete assembly for specific engines, no sourcing additional components
• Allows engine to rotate both directions for servicing
• Made in USA

The dual accessory is for a v-band style fuel pump and/or vacuum/oil pump on the driver’s side. The alternator is separate on the passenger side.  

RACEDRIVE VS. CRANKDRIVE, WHICH ONE SHOULD I CHOOSE?

RaceDrive (Integrated gear drive and supercharger combo) is ideal for someone space constrained in front of the crankshaft and is running a bracket style class such as Top Dragster or Top Sportsman, where absolute power is not essential to winning. Click here to learn more about RaceDrive.

CrankDrive (External gear drive) is ideal for most applications where space is less of a constraint.  The CrankDrive is completely separate from the ProCharger supercharger head unit, allowing any ProCharger F-series supercharger to be used interchangeably.  The CrankDrive will support any horsepower range and works with a wide variety of race engines.

Recommendation: First, start with the class you are competing (see chart below), pick your supercharger, and then choose gear drive or cog belt drive based on that supercharger type.  It's pretty simple or give us a call to help you figure it out.

RACE WINNING SUPERCHARGER RECOMMENDATIONS