Wondering what horsepower numbers mean for drag racing?  

Here are a number of calculators to play with. They won't agree and it may drive you crazy, but it can help you figure how much power you have, or how fast you might go. Good luck.

1/ 2/  Estimate Flywheel Horsepower from ET   3/  Estimate ET from Flywheel Horsepower    4/ From 1/8 Mile & 1/4 Mile ET 5/ 6/Simple Horsepower Calculator 7/ VWSPEED

 

 

The following is provided by Stan Weiss World Wide Enterprises  Visit Stan's Site Click Here Performance software that does the math for YOU. Interactive JavaScript — Calculators
Single Line Calculator Calculate Engine Size in Cubic Inches and CC's also Bore/Stroke Ratio and Rod/Stroke Ratio Calculate Engine's Compression Ratio (CR) or Total Volume Or Combustion Chamber Volume Calculate Change in Fuel Injector Flow from change in Fuel Pressure Calculate Size of Carburetor Needed in CFM Convert Airflow to a different Depression Estimate Horsepower from Intake Airflow Estimate Intake Airflow needed from Horse Power wanted Calculate Density Altitude and Dew Temperature (Point) _______________________________ Estimate 1/8 Mile Horsepower Requirements from MPH Estimate 1/8 Mile Horsepower Requirements from ET	Estimate 1/8 Mile ET from MPH Estimate MPH - Km/H in Quarter Mile using Horsepower Estimate Quarter Mile Horsepower Requirements from MPH Estimate Quarter Mile Horsepower Requirements from ET Estimate ET for Quarter Mile using Horsepower Estimate Quarter Mile ET from MPH Estimate MPH from 60 foot time Estimate the Horsepower gain from adding Blower Pressure Calculate Speed (MPH - Km/H) given RPM, Rear Gear Ratio and Trans Gear Ratio Calculate RPM given Speed(MPH), Rear Gear Ratio and Trans Gear Ratio Calculate Rear Gear Ratio Needed
Please remember that these calculators are approximations only.

 

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