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Posted by Aaron (92 SE Auto) on July 13, 2002 at 20:43:13:
In Reply to: Is there a formula to figure volumetric efficiency of a eng, and what "exactly" is the comp ratio for a VE n/m posted by MIKE on July 13, 2002 at 13:08:02:
Power Level Stock Performer Torker II Perf. RPM Victor Jr. Victor Peak VE% 60-80 75-90 90-100 95-105 105-115 110-122
This formula was found in the Technical Discussion inside the Technical Information section of the Edelbrock website. Just thought I'd save you the time of searching the website.
Formula for VE
VE = (CFM x 3456) ÷ (CID x RPM)
If VE (volumetric efficiency) is less than 1 (or 100%) the amount and quality of charge in the cylinder is reduced so less torque is produced. VE above 100% is a supercharging effect and more torque is produced.