You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations.

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

Mercedes’ fuel supplier still hasn’t certified their e-fuel for the 2026 Formula 1 season, adding another wrinkle to ongoing engine disputes. Throughout testing in Bahrain, Mercedes’ power unit has ...

Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they can survive that punishment starts with how fiercely they squeeze the air ...

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 ...

FIA single seater director Nikolas Tombazis says Formula 1’s governing body is trying to resolve the topic of compression ...

Toto Wolff says it is not worth Mercedes fighting the other manufacturers over a proposed change to the way compression ratios are tested in Formula 1, but the Mercedes team principal then reacted ...

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for ...

A.Here you can see locations of sharp-edged material left from factory machining operations. Material removal should be kept to a minimum, since we are dealing with low engine rpm for which enlarged ...