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 ...

From June 1, the FIA will impose tougher tests on F1 power units in an attempt to clamp down on the compression ratio saga, ...

Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

At first glance, the concept of engine compression is simple enough:It's the ratio of the volume of the combustion chamber and bore when thepiston is at bottom dead center (BDC) versus when it is at ...

The FIA has launched an e-vote with the power unit manufacturers, aimed at introducing a new compression ratio methodology from August 1. The governing body has confirmed the nature of the proposed ...

Motorsport Week Deputy Editor James Phillips discusses the forthcoming summertime Formula 1 rule tweak that could hurt ...

Regulations include test to stop teams exceeding 16:1, but checks happen at “ambient temperature” Formula One ’s governing body has reached a compromise with manufacturers that changes the way the ...

The "Mods for 2V Mods" series in our sister publication, Muscle Mustangs & Fast Fords, took a hard look at the effect of changes in compression ratio on a two-valve 4.6L GT motor. The idea behind the ...

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, with a tweak to the regulations set for June 1 and a further change in ...

Formula 1’s governing body, the FIA, has announced a resolution to the sport’s regulatory row over engine compression ratios, with a tweak to the regulations set for June 1 and a further change in ...