Car Horsepower Calculator

[tomd]

http://www.ez-calculators.com/car-horsepower-calculator.htm

Car Horsepower Calculator | Home
Calculate Car Horsepower| Measure Horsepower

[glassman99]

Pretty accurate!!

[Smokie]

I plugged in my numbers and it provide what I consider to be a reasonable number:

Calculator RWHP: 414
......Actual Dyno: 405

Calculator Flywheel HP: 537 . This number I have a little trouble with, I don't think my driveline losses are 23%. I believe 20% is more realistic.