What is Lambda?

The most emission efficient ratio of air to fuel in a gasoline engine under no load is 14.7 parts air to 1 part fuel or 14.7:1. Lambda is simply an easy to understand figure that says Lambda of 1 = an A/F Ratio of 14.7:1. The acceptable range in a gasoline engine under no load conditions is Lambda of .95 to 1.05.

What is Fuel Volume?

Fuel Volume is the amount of fuel supply from an engines fuel delivery system based on the size of the engine.

What is Volumetric Efficiency?

The theoretical volumetric efficiency of any engine is based on inputs of Engine Size (in Liters or CID), Engine RPM, Mass Air Flow (in grams per second or lbs per minute) and Intake Air Temperature.




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