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 ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations.

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 ...

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 ...

A single line in the technical regulations has sparked months of debate — here’s how the compression ratio saga unfolded and ...

The organization's announcement could finally bring a huge contention point regarding the 2026 regulations to a close if the rule change goes ahead - and potentially hurt Mercedes.