Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head. (Photograph by Chris ...

Among other advantages, such as stronger spark, better timing control, lower maintenance and longer inspection intervals, these ignitions allow the use of auto spark plugs. Auto plugs are desirable ...

The spark plugs in a gasoline engine are not universal, one-size-fits-all components. Plugs are made of a variety of materials with different electrode setups and thread configurations, and knowing ...

A spark plug is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark. Spark plugs have an ...