After weeks of speculation, the next step in the ongoing power unit compression ratio saga has been decided. On Wednesday, the FIA confirmed details of a new compression ratio measurement technique ...

The compression ratio battle is reaching crunch time.

A decision has been reached on the geometric compression ratios ...

Mercedes will not challenge the outcome as the FIA’s compression ratio e-vote reaches its ...

Assuming a properly tuned engine, there are three factors that contribute to poor streetability: long cam duration, high compression ratios, and excessive cruise rpm. Since cam selection is largely ...

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 ...