Formula 1 is a game of millimeters, but Mercedes just lost a massive battle over internal engine temperatures. The FIA has officially stepped in to close one of the most brilliant engineering ...

Formula 1 is entering a new era in 2026 because of its regulation overhaul, which is arguably the biggest in the championship’s history with changes to both the chassis and power unit. An F1 chassis ...

Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo 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 ...

The FIA have announced changes to Formula 1's power unit regulations, most notably surrounding compression ratio, which have caused controversy over the winter. When the 2026 power unit regulations ...

There are several types of engine compression testers. Be sure to use the correct type for your specific engine, otherwise ...

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 ...

The compression ratio isn’t just a number: it’s one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

Formula 1’s next-generation power units are not even on the grid yet and they are already reshaping the competitive landscape. At the heart of the storm is a seemingly dry technical detail, the ...

We all know the age-old maxim, "There's no replacement for displacement." It's the truth. That's why so many sanctioning bodies use displacement and compression rules to limit engine power. Of course, ...

Mercedes could see its power units restricted after the Power Unit Advisory Committee proposed measures to the FIA to prevent the German marque from using its compression-ratio trick. Over the winter, ...