Calculators courtesy of Stan Weiss.
Stan Weiss-World Wide Enterprises
Please remember that these calculators are approximations only!
Engine
Performance 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 the Horsepower gain from adding Blower Pressure
Drag Strip
Performance Calculators
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
Gear
Requirment Calculators
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