Automotive Calculators

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CLICK HERE to download an 87KB spreadsheet containing several useful calculators.  This will be posted temporarily while VBasic versions are under development. 

The spreadsheet is an Excel 2000 file. You must have Excel 2000 or higher to run. The "Solver Add-in" (under Tools->Add-Ins menu) must be attached for some features to work. The file does not contain macros.

Features
  • Speed vs. engine RPM chart and printable graph
  • Optimum shift point based on engine torque curve
  • Tire diameter based on P-Metric designation
  • Valve timing based on cam duration and lobe center
  • Speedometer gear selector
Instructions
  • Click on the hyperlink above to open a new window and download the Microsoft Excel 2000 workbook.
  • Each feature listed above is contained on a separate worksheet. Click on the tabs at the bottom of the workbook to access.
  • Input values are shown in BLUE
  • Calculated values that may be of interest are shown in DARK RED
  • Output values are shown in a YELLOW box
General Disclaimer:   I am not responsible for anything.  All calculations are believed to be correct but use or download of this spreadsheet is at your own risk.
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