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

A technical loophole involving thermal expansion has triggered accusations, secret letters to the FIA, and a war of words between teams over who'll dominate the 2026 F1 season ...

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

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

Lewis Hamilton addressed rumors of a Mercedes compression ratio advantage after Day 1 of Bahrain testing, calling for a level ...

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 ...

There is a dispute between F1s teams over a rule limiting the compression ratio in the new power units for 2026; watch the final hour of each day of the first Bahrain test live from Wednesday on Sky S ...

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 ...

You've probably heard racers talking about leakdown testing as a method of verifying engine condition. Being a hot rodder, you've probably performed a similar function by using a compression tester to ...