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

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 ...

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

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

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 ...

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

Other F1 teams have raised concerns about Mercedes and Red Bull finding an engine loophole - a topic that is set to remain in ...

Mercedes AMG has been at the centre of F1's latest controversy surrounding engine compression ratios and a loosely worded loophole.

An engine loophole in the 2026 regulations has been the subject of recent meetings ...

Is the 2026 title already decided? Rivals Audi and Ferrari protest Mercedes' \"thermal expansion trick\" that allegedly ...

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 ...