You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

This animated film "Spark In The Firing Line" provides an in-depth look at the ignition system of modern motor vehicles, focusing on the role of spark plugs in igniting fuel within the combustion ...

Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

For the past decade, high-compression engines have been sorely missing from American cars, partially due to the misconceptions that high-compression engines and unleaded fuel were incompatible and ...