Chrysler had the right idea way back in 1972 when it stepped away from ignition points and went to electronic ignition. It took GM a few years more before it came out with the HEI distributor. This is ...

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 ...

Introduced more than three decades ago, GM's HEI ignition system has capably powered tens of thousands of vehicles over the years. The setup has remained popular with performance enthusiasts to this ...