If you've been into cars for a while, you've probably swung a few engines over the fender that were assembled by someone else. That's cool, but it's probably about time to build one yourself. Overall, ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

Editor's Note: The purpose of the Shop Series has been to acquaint and enlighten the car enthusiast with some of the more involved aspects of automotive mechanics, vehicle repair and modification. As ...

A gasoline piston engine that can dynamically change its compression ratio —that is, the amount by which the piston squeezes the fuel-air mixture in the cylinder—has long been a holy grail of engine ...

Formula 1’s next-generation power units are not even on the grid yet and they are already reshaping the competitive landscape. At the heart of the storm is a seemingly dry technical detail, the ...