Summit Racing Equipment Announces AEM Power's Revolutionary Dyno-Shaft On-Vehicle Dynamometer is Now in Stock

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The Dyno-Shaft gives racers and performance enthusiasts acccurate horsepower and torque numbers by measuring a vehicle’s torque and RPM at the driveline while driving. That's real-world, real-time information that no stationary dyno can match.

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AEM Power Dyno-Shaft On-Vehicle Dynamometer

Real-world torque and horsepower information right at the track!

Now in stock at Summit Racing Equipment, the AEM Power Dyno-Shaft lets racers test under actual intake air conditions, vehicle loading, track conditions, etc. that cannot be duplicated in a dyno room. You can determine exactly when the tires will break loose—ideal for optimizing the car during launch, for example. The Dyno-Shaft will even show what the torque converter or clutch is doing during a pass--know for sure if slower times are due to a loss of power, vehicle setup, or driver error.

The Dyno-Shaft controller unit fits over the transmission tail shaft housing and transmits information from the Dyno-Shaft via AEMnet (AEM’s CAN bus communications network) to a data logger, programmable engine management system, or a custom dash.

APPLICATIONS: The Sportsman Series is for racers that can use a cast-iron slip yoke. The Pro Series has a CNC-machined, chromoly slip yoke that can handle the stress of serious sportsman and professional-class cars.

OTHER STUFF WORTH KNOWING: AEM’s AQ-1 Data Logger is the ideal host device for the Dyno-Shaft. It can record and replay continuous power data as well as create dyno charts which can be saved, printed, or shared.

WHERE TO GET ONE: Order online at or call Summit Racing at 1-800-230-3030.


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Alan Rebescher, Media Relations
Summit Racing Equipment
330.630.0270 7406
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