For all intents and purposes, an automobile engine is basically a large mechanism that moves air. The engine needs to be able to breathe in order to provide optimal performance. This is why, when ...

Since the internal combustion engine is nothing more than an air pump the exhaust system is a very important part of the system. You know the story, air in, air out. In the world of street rodding ...

It's a pretty simple philosophy: What goes up must come down, and what goes in usually comes back out. In automotive terms, when you put more in (meaning air/fuel mixture), you usually get more ...