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

After weeks of speculation, the next step in the ongoing power unit compression ratio saga has been decided. On Wednesday, the FIA confirmed details of a new compression ratio measurement technique ...

George Russell stormed to victory with Mercedes in the first race of 2026 ...

David Coulthard has criticised the FIA’s rule-making after claims that Mercedes exploited a 2026 compression ratio loophole ...

Mercedes will not challenge the outcome as the FIA’s compression ratio e-vote reaches its ...

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 ...

Assuming a properly tuned engine, there are three factors that contribute to poor streetability: long cam duration, high compression ratios, and excessive cruise rpm. Since cam selection is largely ...

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 battle is reaching crunch time.