If you think about it, there are things about your car that just don’t make sense. You’ve been told that more air is a good thing for power, that a cold air intake, more scoops, more vents, etc, are a ...

No smoke machine? No problem. Learn how to check for engine vacuum leaks using visual cues, soapy water, and DIY tricks to ...

The Chevrolet small-block engine was a brilliant piece of engineering, attested by the fact that well over 100,000,000 have been built. However the first generation was not as oil-tight as later ...

As a vehicle's engine operates, the intake and exhaust valves open and close rapidly while the pistons move up and down in the cylinder. These mechanical actions require a constant supply of hot oil ...

We surveyed mechanics from around the country to get accurate, real-world estimates for how much you can expect to pay when a head gasket goes bad, and the results were higher than we were expecting.

CARS.COM — Your car’s head gasket is an important part of the engine. It seals the cylinder head to the engine block. The cylinder head houses the engine valves while the engine block contains the ...

Once upon a time, building an engine that didn't leak required serious attention to detail, teeth gnashing, and plenty of luck! Having a properly sealed engine was a religious experience and, judging ...