We might be covering ground that's well trampled for many, but the static compression ratio of an engine is simple to understand: it's all the volume of a cylinder above the compression ring at Bottom ...

The World's First Production-Ready Variable Compression Engine Infiniti's has developed the first variable compression ratio ...

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 ...

Shown here are the component volumes that comprise the total clearance volume when the piston is at TDC. If the piston is domed or dished, that affects the clearance volume too. To measure both the ...

Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why ...

Pretty simple question actually (or so my ignorant mind thinks): At what compression ratio would an engine benefit from higher octane fuel? The Focus I drive is just over 10:1, and I've heard some say ...

There’s still another couple of months before the 2026 crop of F1 cars takes to the track for the first preseason test. It’s a year of big change for the sport, which is adopting new power unit rules ...

Reports of Mercedes and Red Bull finding the compression ratio loophole came out earlier in December, followed by the team ...