If there's already a distributor in the engine, the first step is to mark the position of the rotor so you can make sure to insert the new distributor in the same position. We like to turn the ...

The GM High Energy Ignition (HEI) self-contained distributor and coil package is a slick upgrade for any small- or big-block Chevrolet engine over a breaker point ignition. But the HEI does suffer ...

There is only one way to find out for sure. Many Street Stock racing classes limit the ignition to stock-style replacement parts. For most Chevrolet and Ford engines, this means an HEI distributor is ...

Before transistors and computers, your spark plugs needed to know when to dance. A simple device in theory, they hold the keys to your excitement or frustration where angels fear to tread. Follow ...

When General Motors introduced the High Energy Ignition (HEI) distributor in the mid-1970s, it was revolutionary. So much so that it still has a strong following among today's hot rodders. Like other ...