Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, ...

Mercedes' rivals are pushing for a change to the F1 2026 rules ahead of the Australian Grand Prix over a potential engine ...

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 ...

David Coulthard believes it was the FIA itself that created the conditions for the heated debate over Mercedes’ engine compression ratio 'trick'. Speaking on the Up To Speed podcast, the former ...

The McLaren boss suggested the pre-season talk was much ado about nothing ahead of the season opener.

Formula One’s governing body, the FIA, has reached a compromise with power unit manufacturers to tighten how engine ...

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. Mercedes and Red Bull may ...

Formula 1’s governing body has clarified engine regulations after rival manufacturers raised concerns about Mercedes’ power unit potentially exceeding the intended compression limits under race ...

Some rival teams have suggested Mercedes found a way for components to behave differently when they heat up during use. To address that, the compression ratio will be controlled in both hot and cold c ...

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 ...