Red Bull Powertrains' Ben Hodgkinson is confident of having a fully legal engine in 2026, amidst speculation regarding compression ...

A clever compression ratio trick in Formula 1's 2026 power units is the topic of discussion between teams and the FIA on ...

Technical analyst Paolo Filisetti explains just how compression ratio works, but the hidden danger which lurks.

The debate centres on the mandated reduction in compression ratio from 18:1 to 16:1 for the new power units, and ...

Teams are continuing to press for clarification from the governing body over a response to rumours that two engine ...

The compression ratio isn’t just a number: it’s one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

A gasoline piston engine that can dynamically change its compression ratio —that is, the amount by which the piston squeezes the fuel-air mixture in the cylinder—has long been a holy grail of engine ...

It’s unusual that a technical controversy should arise in Formula 1 before the concept has even been raced but that’s what ...

Veteran Italian journalist Leo Turrini has claimed that Mercedes could enjoy a significant power unit advantage throughout the 2026 F1 season due to the much discussed compression ratio loophole.

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 ...

Tucker Ryals;Gainesville, FL: I'd like to pose a question regarding an article Jeff Smith wrote on the Chevy 5.3L motor "Bolt On a Cam and Heads and Add 120+ HP" (April '08). I read the article with ...

I think it's more useful as a comparator than anything else. But having said that, I recently applied that formula [ (boost in psi /14.7) + 1] x static compression ratio to a 1,200hp, 4.8L LS engine ...