From June 1, the FIA will impose tougher tests on F1 power units in an attempt to clamp down on the compression ratio saga, ...

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

Another term which has come up a lot in the build-up to the 2026 season is ‘compression ratio’. This is the ratio between the ...

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, with a tweak to the regulations set for June 1 and a further change in ...

Rivals push the sport’s governing body into a midseason tweak as a dispute over compression ratios spills from the garage to ...

The FIA confirmed the update following discussions within the sport’s Power Unit Advisory Committee. Under the 2026 ...

Changes to compression ratio tests will be introduced in the summer after a lot of focus on Mercedes' new power unit over pre ...

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 ...

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 ...

An unconfirmed theory about how Mercedes and Red Bull have circumvented F1’s power unit compression ratio regulations has ...

The FIA have confirmed that new rules will be in place to prevent compression ratios going above 16:1 effectively closing a ...