Technical manoeuvring to push regulatory boundaries for the slightest performance edge without actually breaking any rules is ...

Rival manufacturers are working on plans to get the compression ratio checks adjusted ahead of the 2026 F1 season. Any change ...

A technical loophole involving thermal expansion has triggered accusations, secret letters to the FIA, and a war of words ...

The engine loophole rumours have sparked much debate.

A lot of talk is taking place behind-the-scenes with concerns that Mercedes and Red Bull have found a loophole in the FIA regulations.

The direction of travel regarding the highly disputed Mercedes engine is becoming clearer. The other four manufacturers are ...

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 ...

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 ...

Formula 1’s engine manufacturer’s are set for two meetings with the FIA, both aimed at defusing the simmering dispute over compression ratios.

Veteran Italian journalist Leo Turrini has claimed that Mercedes could enjoy a significant power unit advantage throughout the 2026 F1 season due to the much discussed compression ratio loophole.

Pretty simple question actually (or so my ignorant mind thinks): At what compression ratio would an engine benefit from higher octane fuel? The Focus I drive is just over 10:1, and I've heard some say ...