Only a few years back it was fairly common practice amongst race car builders, running on asphalt tracks of one form or another, to install engines with open intakes in the carburetor. The customary ...

The heart of a car is definitely the engine. Just like a human heart, the goal of an engine is to pump air. Fresh, clean air comes in, flows through the intake and cylinder heads, and then gets ...

Several aftermarket manufacturers sell engine intake air filters that they claim provide better airflow and increase a car’s horsepower and acceleration as a result. Some of these companies have many ...

A new equation for accurate approximation of the Moody friction factor in the general gas-flow equation better approximates a wide range of Reynolds numbers than previously published equations. Other, ...