Tumble reduces the spark knock tendency on an octane-limited IC engine. It is, however, possible to have too much tumble and swirl, which can reduce volumetric efficiency (VE) and power. See All 9 ...

This is how the combination of an engine, fuel, and air makes your car move, explained in plain English, in case you're not an engineer.

At the heart of an internal combustion engine lies a series of cylinders, cylindrical chambers that house the fiery combustion process. These cylinders, arranged in various configurations such as ...

On March 25, Stellantis introduced a brand new twin-turbocharged inline-six engine, dubbed Hurricane, as a fresh internal combustion engine design to promote a product-line-wide focus on efficiency.

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A decade or so ago, a team of German university scientists settled on 500 cubic centimeters as the ideal per-cylinder displacement for internal-combustion engines. A 500-cc cylinder with a stroke ...