While we like to think of 2002 as being part of a high-tech age, our beloved internal combustion engine hasn't really changed much in the last 50 years. We're still using pushrods and overhead valves, ...

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 ...

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 ...