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 ...

When I was in the process of building my 2020 Toyota Supra for SEMA last year, there were virtually no aftermarket intake systems available. It also wasn't easy as going to Home Depot and slapping one ...

Dim’s fascination with cars began when he was just six. Born into a family of car enthusiasts and racing drivers, he started learning basic mechanics and driving from an early age. While he loves ...

In the first installment we dealt with the essentials of spec intake manifolds. The story was intended to establish a level of understanding that would enable more specific information to be helpful, ...

A cold air intake (CAI) and short ram intake (SRI) are both common aftermarket mods that replace the stock, restrictive air box, tubing, and air filter in a bid to add horsepower, sharpen throttle ...

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 ...

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 ...

In 1959, you could buy a multi-carburetor intake manifold for just about any American-made engine from Warshawsky & Company (which became J.C. Whitney soon after).

One of the first modifications many enthusiasts make to their ride is adding a cold-air intake. This replaces the stock intake, a complex, convoluted contraption of pipes and baffles that keep the ...

Porsche often does things backwards—just look at the 911, keeper of the rear-engine flame. But that philosophy extends to smaller things, too, as Jason Fenske of the YouTube channel Engineering ...