The requirement to gap spark plugs might not be as common as it once was, but it's still an important bit of maintenance on ...

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, ...

If you've decided that you can get at your spark plugs without damaging your vehicle, assemble the items you need before you begin: Never change just a few plugs; it's all or nothing for even engine ...

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