How To Remove Seized Spark Plugs

You can remove a seized spark plug by applying penetrating oil, allowing the oil to sit, and then using a ratchet and socket ...
Hot Rod

Hei Ignition Systems - High-Speed Spark

Around 1975, General Motors made a significant advancement in stock passenger ignition technology: the High Energy Ignition (HEI). One of its major features was installation simplicity. The coil was ...