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• Cubic Inches

• Compression Ratio

• Compression Height

• Gearing, MPH

• Piston Speed

• Horsepower

• Horsepower from Head Flow

• RPM

• ET from Power

• Power from MPH

• Carburetor CFM

• Altitude Correction

• Weather Correction

• Unit Conversions

Thank you for your interest in Virtual Engine Calculator. Due to the high volume of downloads, we now have four separate download sites.

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(Note: all files are exactly the same except they download from different locations)