The AEM Dyno-Shaft On-Vehicle Dynamometer Pro Series is a true on-vehicle dynamometer system that measures Torque and RPM while you drive to deliver Horsepower numbers in real time while you drive. It is a real dyno for your car that measures Horsepower, Torque and RPM as accurately as the most respected dynamometers, with the advantage of being able to gather this data in real-world conditions.
Eliminate Guesswork - Know for sure if slower times are due to a loss of power, vehicle set up or driver error.
Engine tuning - Stop trying to approximate real world test conditions and start testing in the real world! Finally you can test with actual intake air conditions, actual vehicle loading and the hundred other things that make a real vehicle behave very different than it does when on a dyno. In other words, it allows you to measure a vehicle's power in real world conditions.
Chassis Set Up - Know when the tires will break loose. Ideal for optimizing drag launches and determining the longitudinal forces your tires can handle in road racing.
Torque Converter and Clutch development - Finally know what your Torque converter or clutch is doing while you are making a pass!
Dyno It All - The Dyno-Shaft accurately reads in all conditions including steady state, uphill or downhill, even while coasting down! It can even measure the effectiveness of an Exhaust Brake on diesel applications.
Measures Torque and RPM at the driveline to deliver real Horsepower and Torque numbers
Does not skew readings like accelerometer-based units. Real data. No assumptions!
Eliminates guesswork when troubleshooting or making changes at the track
Laboratory-grade strain gauge requires no slip rings or batteries and is maintenance free
Create dyno charts which can be saved, printed, or shared electronically (requires AQ-1 Data Logger)
Pro slip yoke is CNC machined from Chrome Moly to ensure balance and concentricity
Pro slip yoke is heat treated to ensure optimum tensile strength
Pro slip yoke is case hardened for applications with roller bearing extension housings
Pro slip yoke undergoes a Laboratory-Grade calibration process
Can be used with the AEM AQ-1 data logger, AEM Series 2 EMS, and some third party CAN-enabled engine management systems, data loggers and displays.