The compression ratio controversy will be addressed with a new test, but not until August.

A single line in the technical regulations has sparked months of debate — here’s how the compression ratio saga unfolded and ...

The FIA has issued a statement on the status of the compression ratio ...

Formula One's governing body, the FIA has initiated a significant regulatory process that could reshape how Formula 1 power units are evaluated from the 2026 season onward.

The legality over the Mercedes compression ratios – which measure how much the air-fuel mixture inside an engine cylinder can ...

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 ...

Strictly defined, compression ratio is the total volume above the piston at bottom dead center (BDC), divided by the total volume above the piston at top dead center (TDC). First, let's look at the ...

Toto Wolff has labelled as "utter bulls**t" that the ongoing compression ratio saga means the Mercedes power unit is illegal.

We all know the age-old maxim, "There's no replacement for displacement." It's the truth. That's why so many sanctioning bodies use displacement and compression rules to limit engine power. Of course, ...

“Too little compression will usually result in unmet performance expectations. On the high side [too much compression] carries greater risk in tuning and potential component failure if appropriately ...