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 ...

Engine compression ratios have become a hot topic ...

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

Formula 1 has always been a sport where the rulebook is treated less like a […] ...

F1’s 2026 rules set a 16:1 compression ratio limit for engine cylinders. This caps how much the engine can squeeze fuel ...

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

Stock car racing engines are all about efficiency. That's because all the simple solutions for making power have either been maximized or eliminated by the rule book. You aren't allowed power adders ...

Zak Brown has dismissed the swelling controversy over compression ratios and Mercedes power units as nothing more 'typical ...

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

Formula 1’s technical landscape is on the verge of a major flashpoint as manufacturers prepare for two high-stakes meetings ...

Toto Wolff has ruled out Mercedes responding to any late engine rule changes with legal action against the FIA.

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 ...