







Indexing spark plugs means rotating the plug in the cylinder head so that the open side of the ground electrode faces the incoming air-fuel mixture or the center of the combustion chamber, rather tha...
Do You Need Anti-Seize on Spark Plugs? The Short Answer Most modern spark plugs do not need anti-seize compound, because the majority of plugs sold today already carry a factory-applied trivalent z...
Spark Plug Temp Range Explained: The Short Answer First A spark plug temp range, more commonly called the heat range, describes how quickly a spark plug can pull combustion heat away from its firing...
Spark Plug Torque: The Exact Specs You Need Before You Touch a Wrench The correct spark plug torque spec for most passenger car engines is between 10 and 20 ft-lbs (14–27 Nm) when installing into an...