Bore and stroke are two important measurements that help determine an engine's power. Here's what they mean and why they're so important to know.

"Here comes the Porsche 3.0-liter inline-four," you might be saying to yourself. Sure, it'll be on this list, but Porsche's uber-four is a weed-whacker engine compared to the ultimate ...

The increasing number of stroker crankshafts available is giving builders more options when planning a street-performance or race engine combination. The benefits of a stroker crankshaft, however, ...

Four-cylinder engines are usually associated with efficiency and compact packaging, yet a handful of engineers have stretched ...