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 ...

There’s something mesmerizing about cutaway engines. With a few well-placed cuts, you can show what goes on inside a tremendously complex component and make it accessible to a wider audience. Cutaway ...