On older vehicles and smaller engines, the carburetor controls the mixture of fuel and air that reaches the engine. Here's ...

Those who want to fully customize their car might wonder if they can paint their engine block's lifter valley. Are there really no downsides to it?

First, check to make sure the car's tailpipe isn’t blocked by snow or ice. You’ll be running the engine, so everything has to be clear. Start the engine and turn on the rear window defroster. Turn on ...