As hot rodders, we tend to worry most about changes that make our pursuit of power harder or more expensive. That's totally justifiable; new technology often brings both complication and a higher ...

The power, fuel efficiency, and longevity of an engine will heavily depend on the fuel that’s being delivered. Furthermore, an engine’s efficiency is dependent on a precisely calculated air-to-fuel ...

It's an amazing time when there's new technology in the industry as it forces a new rivalry in speed parts, and direct-injection is firmly in the high-performance arena whether anyone likes it or not.

Audi has announced that they will be using their Fuel Straight Injection (FSI) direct gasoline injection system on all future engines. Technology development related to indirect (port) fuel injection ...