The heart of most vehicles today, the internal combustion engine has advanced significantly over its century long history. This series outlines some of the key innovations in engine technology before ...

The jargon goes well beyond just names. Car specs are full of abbreviations that may or may not have any meaning at first glance. And sometimes we get so used to seeing those abbreviations that we may ...

VVT has turned out to be one the most popular systems with carmakers and users alikernAn internal combustion engine uses valves for intake and exhaust In the current automobile scenario where there ...

In order to set a stage for what follows, let's first revisit some of the fundamentals involved in how valve timing relates to power output. And to further clarify how "power" is defined in the ...

Getting air in and exhaust gases out of the combustion chamber under all speeds and driving conditions is essential for a car’s fuel efficiency and low emissions. That’s why virtually all Chevrolet ...

Not too long ago, we reported on the news that Indian Motorcycle had a new liquid-cooled engine in the works. That engine was suspected to be the same one that appeared under the Victory name a few ...

Variable valve timing isn’t necessarily a new idea, but it is new to BMW motorcycles. With a freshly designed 1,254 cc two-cylinder flat engine, VVT is arriving in BMW bikes for the first time with an ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

Valve timing is the most important factor determining an engine's character. A good illustration of this is provided by the following curious historical fact. In 1947 the Standard Motor Company of ...