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 ...

Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

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

Mercedes’ fuel supplier still hasn’t certified their e-fuel for the 2026 Formula 1 season, adding another wrinkle to ongoing engine disputes. Throughout testing in Bahrain, Mercedes’ power unit has ...

The FIA has updated the 2026 F1 engine rules, changing how compression ratios are measured to prevent loopholes.