- Tools & Garage Gear
- Garage Tools & Equipment
- Moroso Power-Speed Calculator
Moroso's Power-Speed Calculator is like having a dyno in your back pocket! Using information such as tire size, gear ratios, horsepower and displacement, this handy slide rule tool works out the relationship between E.T. and MPH, tire diameter to speed and gear ratio, engine displacement to compression, power to weight ratios, and many other factors that go into building a race-winning car.
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Features:
- Tire diameter to speed and gear ratio
- Engine displacement to compression ratio
- Horsepower measured at flywheel
- Horsepower ratings are calculated for Rear Wheel Horsepower