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 ...

Compression: An automotive term used by everybody, forever. Let's get into some detail and maybe develop a better understanding. Pressure, and more pressure: It's a must-have to produce power within ...

Want to know how healthy or unhealthy your engine really is? Get yourself a compression tester and find out. Despite how complex many modern vehicles are, you can do many common repair and maintenance ...

You've heard the term compression ratio before, but have you ever wondered exactly what it means? Well, it's time to explain exactly what compression ratio is, and why every carmaker is now obsessed ...

That engine had a static compression ratio of 9:1, used a whopping 25 psi of boost, and came up with an ECR of 24.3:1. That engine ran on 118-octane race gas and had no detonation issues, at least on ...

A lot of talk is taking place behind-the-scenes with concerns that Mercedes and Red Bull have found a loophole in the FIA regulations.

You know what variable valve timing is. You're quite familiar with Honda's VTEC system. Now Infiniti has something new for you dive into, and it's all about changing an engine's compression ratio. The ...

Max Verstappen was caught out on the much-talked-about advantage Mercedes is believed to have secured by exploiting the 2026 engine compression ratio. Asked by Bloomberg whether Red Bull and Mercedes ...