The process of engine building is to create a mule (copy) to test and perfect before the final model is created. Not quite as good as the real thing screaming along the salt, but technology today can get you as close as. The pic is of Wairua 2’s Chevy V8 crankshaft and piston mule engine ready for testing on the dyno.

For those new to speed racing: Dyno tuning – Measures the output of your engine. It provides accurate information about your engine’s horsepower, torque, and air-fuel mixture. Using the dyno’s data acquisition and engine function graphing techniques, you get a snapshot of the real-world performance of your vehicle.