The best car engines of the 21st century earned their status the hard way. They offered real power, rewrote tuning culture, and changed how we think about performance. Some scream all the way past ...

The engines that power our cars — even the smallest ones — are extremely heavy. While smaller engines like four-cylinders and V6s can weigh between 200 and 450 pounds, larger motors like heavy-duty ...

It's relatively fine for car engines to get wet. What's not okay is for water to get inside the engine or for electrical parts to soak in liquid, like the ignition coils, spark plugs, distributor ...

When it comes to high-output engines, cars with lots of cylinders -- like ones sporting a V10, V12, or even W16 engine -- are probably the first thing to come to mind. These powerful engines include ...