A Neat Online Tool provided by OTC to plug in data and calculate Volumetric Efficiency using scan data for an engine:
VOLUMETRIC EFFICIENCY CALCULATORhttps://www.otctools.com/veVE should be between 75-90%
Anything lower could indicate worn rocker rollers or cam lobes.
IMPORTANT - the readings must be in the following format- Degrees Fahrenheit
- RPM
- MAF in gs
- Engine size in liters
An acceptable VE range is between 75% to 90%.
When IAT reads in °C, the PID will have to be converted to °F.
Converting °C to °F: (°C x 1.
+ 32 = °F
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