We might be covering ground that's well trampled for many, but the static compression ratio of an engine is simple to understand: it's all the volume of a cylinder above the compression ring at Bottom ...

Previous studies have shown that increase compression ratio (CR) is an effective way to improve thermal efficiency of gasoline engine without changing the mechanical structure and working cycle, ...

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 ...

Mercedes is rumoured to have an engine innovation promising a significant advantage over other Formula 1 power units. It ...

Max Verstappen was caught out on the much-talked-about advantage Mercedes is believed to have secured by exploiting the 2026 ...

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Ahead of F1 winter testing at Barcelona, the FIA will hold a meeting with technical experts, with all eyes on an alleged ...

Rivals suspect that Mercedes and Red Bull are exploiting thermal expansion to enable them to achieve a higher compression ratio than the permitted 16:1 when their car is running. Crucially, during the ...