Tick. Tick. Tick. That's the sound our Ford 4.0-liter, over-head valve (OHV) engine was making in our 1991 Ford Explorer after 250,000 miles. The Ford 4.0L V-6 engines, built in Germany, are found in ...

When put to the test, just about anyone can recall what the engine of a mid-60s Ford Cobra used for racing looked like. Typically topped with a pair of four-barrel carbs or, even better, a set of four ...

The popularity of various engine designs typically fades over time as technological advances provide more power, better fuel economy, or both. Flathead designs gave way to overhead valves, and inline ...

The inline-6 engine has been a popular engine design for more than a century and has powered cars of all stripes, from small economy models to exclusive luxury sedans. Although the V8 has long ...