Modern engines are cleaner and more efficient than the ones you grew up with, yet many drivers are discovering a new headache: stubborn carbon crust building up on intake valves. Understanding why ...

For most gearheads, there's nothing quite thrilling like the roar of a tuned engine and the instant kick of improved acceleration. Of course, buying a muscle car to enjoy lots of raw power and torque ...

Fitting Porsche Motorsport's beloved 4.0-liter flat-six in a 718 Cayman required the automaker to redesign the intake. In addition to the typical intakes behind the doors, there are new intakes ...

While variable geometry engine air intakes were banned from Formula 1 in 2006, only to become legal again later on, you can find this technology in many road cars today. Typically, it goes by the term ...

Have you ever wondered if the parts you're using are the best ones for your application? We sure have, which is why we take advantage of any opportunity to test a variety of parts and pass along the ...

Cold Air Intakes (CAIs) are among the most popular modifications enthusiasts make to their cars. Of course, like anything popular, there’s a fair bit of discourse surrounding them. Claims range from ...

Nothing ever stays the same for long-technology makes sure of that. Not all that long ago, high-tech was a digital electronic ignition system. Today, the new LS1 and LS6 GM engines are pushing the ...