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 ...

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 ...

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

According to ESPN, the FIA will introduce stricter engine compression tests from June 2026, requiring Formula 1 teams to meet the 16:1 ratio limit even at higher operating temperatures, following ...

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

Melbourne will host the first race of the season with the new era bringing huge challenges to teams through engine and chassis regulations. The Silver Arrows insist any change will make no difference ...