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 ...

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

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

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 ...

A revised test at 130°C aims to end off-season speculation — but could shift the debate into 2027.

The FIA has updated the 2026 F1 engine rules, changing how compression ratios are measured to prevent loopholes.