Let's begin with the fundamentals of mixing air and gasoline for the purpose of producing power. (Rudolf Diesel's compression ignition is a different thing entirely. We'll touch on it briefly in what ...

In Part One of this series (January '93), we discussed how an internal-combustion engine heats a fuel-and-air mixture to convert it into mechanical energy. In February, we reviewed how a four ...

Air: The mixture of gases that form the atmosphere of the Earth. By volume, dry air is composed of nitrogen (78.09%), Oxygen (20.95%), argon (0.93%), carbon dioxide (0.03%), and several trace gases.

The intake manifold distributes air or air/fuel mixtures to the individual cylinders under varying engine speeds, loads, and environmental conditions. Whether the working flow is pure air, air/fuel, ...