An engine's displacement dictates power output based on the bore and stroke, while compression ratio influences how strong ...

At first glance, the concept of engine compression is simple enough:It's the ratio of the volume of the combustion chamber and bore when thepiston is at bottom dead center (BDC) versus when it is at ...

In this video, we explore the innovative Heart Combustion Engine, which features a unique design combining conventional ...

NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...

Joel was previously an editor at Autoblog for nearly a decade, covering cars from humble economy hatchbacks to high-end sports cars. He has extensive driving experience with plenty of track time, and ...

Two-stroke engines have steadily fallen out of favor over the last 50 years or so. While they sport great power-to-weight ratios and are often much simpler mechanically than their four-stroke ...