Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

The engine in your car, truck, or crossover operates on the simple principle of capturing the energy from countless tiny ...

Spark plugs are necessary for gas-powered engines. However, they're not all the same, and they can come in different shapes ...

Most drivers know that you should change your spark plugs routinely to keep your car's engine running smoothly. However, when it comes to gapping spark plugs, many people may find themselves confused.

Gasoline internal combustion engines need three fundamental things: fuel, oxygen, and spark. The sexy aspects of modifying cars are focused on the first two elements: Double Pumper carburetors, ...