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

Zak Brown dismisses rival complaints on Mercedes' 2026 Formula 1 power units, which his McLaren team uses ...

A loophole in Formula 1’s new technical regulations offers a way around the 16:1 compression ratio cap, introducing ...

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 ...

The FIA are looking into at solutions to halt the controversy surrounding compression ratios ahead of the 2026 Formula 1 ...

The engine loophole rumours have sparked much debate.

Ferrari is reportedly planning to include a Mercedes-style compression ratio trick in the design of its new engine for the F1 ...

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 ...

No compression-ratio calculation is worth spit if the numbers used to calculate it are wrong. In the old days, a lot of the chamber volumes published for stock heads were NHRA minimum-legal blueprint ...

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 ...

You'd think that the pistons listed for a 10.5:1 compression ratio would actually give you 10.5:1. But it's usually not that simple. Perhaps that's why so many four-wheelers have a foggy or incomplete ...