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

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 chase a ...

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

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 ...

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 ...