Formula 1 bosses are moving towards a rule change that would close a loophole rivals believe Mercedes have exploited in the ...

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 ...

The compression ratio battle is reaching crunch time.

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 ...

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

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

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 ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations. Mercedes and Red Bull may ...

Kimi Antonelli driving for Mercedes on the first day of the second 2026 F1 preseason test, which is taking place in Bahrain Peter Fox / SAKHIR, Bahrain — Formula 1 kicked off its second preseason ...

The legality over the Mercedes compression ratios – which measure how much the air-fuel mixture inside an engine cylinder can ...

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

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...