Liters, cc’s and—my favorite—cubic inches are all terms you’ll hear when folks talk about engines. While these terms are all based on different increments of measurement, they’re all used to describe ...

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 ...

You'd think that the pistons listed for a 10.5:1 compression ratio would actually give you 10.5:1. But it's usually not that simple. Perhaps that's why so many four-wheelers have a foggy or incomplete ...