There are a lot of variables when it comes to choosing a spark plug, but Dart helps to get you into the ballpark.

With a solid starting point, the journey for the perfect spark plug can be shortened significantly.

Good main caps are a must when you're building a high-horsepower engine.

You also need to ensure the caps are secured properly with quality fasteners.

A few years ago, the 550-horsepower twin-turbo 4.2L DOHC V8 engine was all the rage.

Now, the most powerful Cadillac engine ever is a supercharged 6.2L V8 that bears a striking resemblance to the LT4.

When you think of tank engines, you probably think about big, conventional diesel engines.

These six tank engines were anything but conventional — from radials to gas-turbines, to U-engines.

The LS engine has been a popular choice for hot rods and street cars, but is it a better choice than the Small Block Chevrolet? We take a look.

Ordering custom valves can seem overwhelming if you aren't a cylinder head professional.

However, Ferrea makes it easy to get exactly the right valves with just a few basic measurements.

Valves take a beating every second that an engine is running.

Engine Pro's Nitro Black coating helps valves last longer while increasing strength.