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DELCO-REMY High Energy Ignition: Description

The Delco-Remy High Energy Ignition (HEI) system consists of a distributor assembly which combines all ignition components into a solid-state electronic unit. The distributor housing contains the vacuum and centrifugal advance mechanisms, electronic module, pick-up coil, pole piece (with internal teeth), timer core (with external teeth), rotor, distributor shaft and a capacitor for radio noise suppression. Ignition coil is enclosed in distributor cap. See Fig 1.

Fig 1: Exploded View of High Energy Ignition Distributor
G09321071Courtesy of GENERAL MOTORS COMPANY