H.E.I.

High energy ignition, also known as H.E.I, is an electronic ignition system introduced by General Motors in the early 1970s and used through the mid 1980s. It is characterised by the incorporation of the ignition coil into the distributor cap, eliminating the need for a coil wire.

External links

* [http://www.dalemfg.com/dale_020.htm Brief notes at Dale Mfg website]