Reports of Mercedes exploiting the compression ratio loophole with the 2026 power unit started circling the paddock weeks after the 2025 season ended. Amid speculation and complaints from the rivals, ...

Getting an engine compression test for your car is a bit like having your blood pressure taken. It sounds complicated without context, but it's a relatively straightforward and painless procedure that ...

Making sure your engine has proper compression is vital for its health. You can rely on one of two methods to test this, but ...

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 ...

Formula 1's five power unit manufacturers are set to vote on a proposed tweak to how engine compression ratios are measured, which could come into force over the summer break. The 2026 power unit ...

Every so often, there comes a time when the Formula 1 rulebook is pitted against a clever aerodynamicist or engineer in the ...

Formula 1 is entering a new era in 2026 because of its regulation overhaul, which is arguably the biggest in the championship’s history with changes to both the chassis and power unit. An F1 chassis ...

Ahead of Wednesday’s expected PUAC vote and F1 Commission meeting, Audi’s Jonathan Wheatley says he has “absolute faith” that the FIA will do the right thing. Formula 1’s all-new technical era has ...

Rod ratio is simple to calculate: Take the length of the piston rod and divide by the length of the crankshaft stroke. Why or how would that make a difference in building an engine? Piston rod length ...