Performance keys – Calculated Industries 8703 User Manual
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Drag Coefficient – Enters the vehicle’s drag coefficient
when correcting for wind. See Appendix A for typical
body styles and associated drag coefficient values.
Default value is 35%.
Performance Keys
Tire Ratio – Calculates tire ratio, effective drive ratio,
equivalent drive ratio, drive ratio, actual speed, and
indicated (gauge) speed.
Old Tire Diameter – Enters the current tire size for
solving tire and gear ratio problems.
Gear Ratio – Enters or calculates overall gear ratio, as
well as gear ratios adjusted for manual and automatic
transmissions.
New Tire Diameter – Enters the new tire size for solving
tire and gear ratio problems.
Engine Displacement – Enter or calculate Engine
Displacement. Calculate given values for Bore, Stroke
and number of Cylinders.
# of Cylinders – Enter and store number of cylinders in
an engine. Default is 8 cylinders.
Compression Ratio – Calculate Compression Ratio
given Bore diameter, Stroke length, Chamber Volume,
Gasket Bore Diameter, Gasket Thickness, Deck Height,
and Dome Volume.
Mill Amount – Calculates the amount to cut out of the
cylinder’s head in order to increase compression ratio
given values for Stroke, old Compression Ratio and new
Compression Ratio.