120 Articles

Engine problems can happen slowly or suddenly.

By nature, the combustion engine is supposed to make noise.

If you have difficulty starting your car, it can be hard to know what's causing this problem.

No matter the type of vehicle you drive and whether it has a gas or diesel engine, it has some sort of positive crankcase ventilation system.

With engines getting smaller but demand for power along with efficiency increasing, variable valve timing (VVT) gives you the best of both worlds.

Though engines have evolved over the years, all gasoline-powered engines use the same principles to function.

Engine mounts act as a vibration damper protecting the surrounding steel of the frame and or sub-frame on your vehicle.

The purpose of a harmonic balancer is to dampen the harmonic vibrations that all engines produce.

Over time, you may have noticed your vehicle not running quite as well as it did when you first bought it.

If your engine is running rough, there may be an issue with the vehicle’s fuel delivery system.

Removing the head is a major step in removing the cylinder head.

Over the years, engines have evolved in so many ways.

The oil pump is the heart of the engine - it pumps vital lubricant and supplies pressure to every moving part.

The choke is a plate in the carburetor that opens and closes to allow more or less air into the engine.


It's not a Wankel, but it is installed in a go-kart. LiquidPiston's X Mini engine gets a micro-scale workout in this video.

When you are rebuilding an engine, you’ll probably want to paint the engine block.


Think beyond the M20 and Slant-6.

Straight-six engines have been installed in fast cars, reliable cars, and miserable cars for many decades. Which lesser-known one deserves more recognition?


The four-cylinder engine goes back 120+ years. Which one is best?

With thousands of four-bangers to choose from, selecting the all-time greatest might be a challenge. Do it anyway!

The cylinder head gasket is a seal located between the engine block and cylinder head assembly.

The idea is to increase the options for cylinder deactivation and narrow the spacing between them.