Formula 1 bosses are moving towards a rule change that would close a loophole rivals believe Mercedes have exploited in 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.

While the FIA has signed off on Mercedes’ 2026 engine, rival teams aren’t happy with how the private test was handled at ...

F1 teams expect to get clarity on compression ratio saga very soon ...

Formula 1s engine dispute will be resolved before the season-opening Australian Grand Prix after talks were held in Bahrain during testing; watch the second day of the final week of testing on ...

We may receive a commission on purchases made from links. I have been working on my own vehicles for almost 40 years and in that time have accumulated a sizable collection of tools. The bulk of them ...

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

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 late rule change could turn the 2026 season on its head.

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 ...