A Dyno or Dynamometer is a piece of equipment used to measure the power output to the wheels on your vehicle. The car is trapped down to the dyno drum and various sensors are hooked up for monitoring purposes. Typically Wide Open Throttle (WOT) pulls are done to measure power output while datalogging what the computer is doing at the same time. This information is then used to edit the tune on the vehicle until it is running properly and power output is as expected.
Although with Ford and Late Models allowing remote tuning, nothing can replace doing that tuning on a dyno. At Hellhorse Performance we our trust in our DynoJet 224x, a critical piece of equipment for getting every vehicle to run right.