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NOTE: These calculators only work with a JavaScript enabled browser. Clicking a link will pop open a new window, and the calculator will be displayed. Closing the window will bring you back here, or scroll down to the bottom of the new window and click back to home page, and you will go to Stan Wiess World Wide Enterprises, which provided these calculators.

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

Estimate Horsepower from Intake Airflow

Estimate Intake Airflow needed from Horse Power wanted

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 only approximations, based on sound mathematical models.

Tire Calculators are found here.

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