Let’s start by looking at the evolution of the GM High Energy Ignition (HEI) system. This system became available as an option in 1974 and was standard in all 1975-and-later vehicles, with the ...

The materials chosen by automakers for their ignition-system parts are excellent when it comes to insulation, but age and dirt can destroy spark plug cables and other components. Even after you have ...

If there is a standard in the world for a stand-alone electronic ignition distributor for GM engines, it has to be the High Energy Ignition or HEI distributor. This large cap distributor first ...

PerTronix continues to bring us terrific ideas that are useful for our vintage Mustangs. Over a decade ago, PerTronix introduced its drop-in Ignitor electronic ignition retrofit for classic Autolite ...