A single line in the technical regulations has sparked months of debate — here’s how the compression ratio saga unfolded and ...

We may receive a commission on purchases made from links. While browsing auto repair and maintenance tools at your local parts store, you've likely come across compression testers like the Orion Motor ...

The crux of the matter lies in that the Formula 1 compression ratio is not measured by sensors during engine operation, but statically. The FIA simply compares the ratio in volume in the cylinder ...

With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

A late rule change could turn the 2026 season on its head.

Mercedes could come out on the losing side of a critical vote regarding the engine regulations as other power manufacturers ...

The compression ratio controversy will be addressed with a new test, but not until August.

Formula 1’s new 2026 power units will debut at the Circuit de Catalunya in just over five weeks’ time, but questions over a grey area of the new regulations have already come to light. German outlet ...

Formula One's governing body, the FIA has initiated a significant regulatory process that could reshape how Formula 1 power units are evaluated from the 2026 season onward.

F1’s 2026 rules set a 16:1 compression ratio limit for engine cylinders. This caps how much the engine can squeeze fuel before burning it — the more you squeeze, the hotter it gets and the more power ...

F1 teams expect to get clarity on compression ratio saga very soon ...

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 ...