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 ...

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 ...

A technical loophole involving thermal expansion has triggered accusations, secret letters to the FIA, and a war of words ...

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 ...

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 ...

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 ...

Mercedes appears safe from Ferrari protest in Melbourne.

Let's discuss something that is well known by diesel mechanics and hard-core enthusiasts but may not be fully understood by new diesel owners or people who may have heard the term "compression ...