Four-cylinder engines are usually associated with efficiency and compact packaging, yet a handful of engineers have stretched ...

Despite the GM 454 and Pontiac 455 being within a cubic inch of each other, and both being GM brands, the two engines are ...

Fans often ask our technical experts ‘What is MotoGP™ Engine Displacement?’ and this complete guide to the topic will explore engine displacement in MotoGP™, its significance per category of the World ...

Frank has been a motorcycle enthusiast for decades, and enjoys the thrill of power at the twist of a wrist! Frank owned several super bikes, including Yamaha, Honda and Triumph bikes, with a ...

With OEM engineers squeezing more power from a tighter engine footprint, smaller displacement engines have found favor with fleets looking to shed a few hundred pounds while picking up a few extra ...

You'd think that the pistons listed for a 10.5:1 compression ratio would actually give you 10.5:1. But it's usually not that simple. Perhaps that's why so many four-wheelers have a foggy or incomplete ...

Stock car racing engines are all about efficiency. That's because all the simple solutions for making power have either been maximized or eliminated by the rule book. You aren't allowed power adders ...

Everybody hears about how much horsepower some cars have, or how fast another is, but did you know you can buy the powertrains in those models straight from a manufacturer? Some automakers offer ...

As a concept, the internal combustion engine is as old as dirt. To our luck, the ICE is still relevant nowadays thanks to engineering developments such as direct injection, cylinder deactivation, stop ...

Liters, cc’s and—my favorite—cubic inches are all terms you’ll hear when folks talk about engines. While these terms are all based on different increments of measurement, they’re all used to describe ...

An engine's bore refers to the diameter of its cylinders and stroke refers to the distance they travel. These measurements ...