A tool exists for estimating vehicle horsepower based on performance over an eighth-mile distance. This estimation commonly uses the elapsed time and trap speed recorded during the run, along with the vehicle’s weight. For example, a car weighing 3000 lbs and completing an eighth-mile in 9 seconds with a trap speed of 80 mph could have its horsepower estimated using this method.
Estimating horsepower through this method provides a readily accessible performance benchmark, particularly within drag racing and other motorsport contexts. It offers a cost-effective alternative to dynamometer testing, allowing enthusiasts and racers a quick and reasonably accurate power assessment. Historically, this approach has been valuable due to its simplicity and ease of application, predating widespread availability of more sophisticated measurement technologies.