Formula 1 teams are testing in Bahrain this week, but a storm is brewing in the background that might turn the season on its head. A rule change could be introduced to rein in the Mercedes power units ...

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 ...

FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ahead of the season.

Hamilton addresses rumors of Mercedes’ technical advantage after day one of preseason Bahrain testing. Concerns raised about Mercedes’ fuel loads, engine modes, and possible compression ratio edge.

A new engine test will be introduced after the seventh race of the 2026 Formula 1 season following a power-unit dispute over ...

Mercedes' rivals succeed in securing a rule change following a pre-season technical row over engine performance.

Formula 1 manufacturers have approved changes to the engine testing rules for 2026 following the compression ratio row that has lasted through the offseason. In December, it emerged that Mercedes had ...

According to ESPN, the FIA will introduce stricter engine compression tests from June 2026, requiring Formula 1 teams to meet ...

Formula One’s governing body, the FIA, has reached a compromise with power unit manufacturers to tighten how engine ...

The FIA have proposed a mid-season rule change to its engine regulations with a vote set to take place before the Australian Grand Prix. The build-up to the new 2026 season, which are the biggest in ...