Engineers have a lot to think about when designing new engines, and one of the biggest considerations is the shape of the ...

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

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

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 ...

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 ...

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 ...

F1 ’s governing body, the FIA, and the sport’s manufacturers struck a deal over the engine controversy that threatened to overshadow the first race of the season in Australia. Melbourne will host the ...

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

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 ...

A revised test at 130°C aims to end off-season speculation — but could shift the debate into 2027.