High performance is all about horsepower. But even the ultimate in heads, compression, cam, and the rest won’t make power if you can’t light the fire. Ignition systems don’t make horsepower, but a ...

Back in the day, point-triggered ignition system tune-ups were routine and happened roughly every 12,000 miles, along with a set of spark plugs and an ignition timing adjustment. These days, we’re so ...

The know-it-all car guy was leaning back against a vintage Chevy, cigarettes rolled up in his t-shirt sleeve, dispensing automotive advice like a change machine. “Nah… any spark will do to run an ...

High energy ignition (HEI) was introduced by General Motors in 1974 and became the standard for GM engines until the mid-1980s. An HEI system has three main components: an ignition module, a magnetic, ...

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 ...

We can hear the howling already. "Why do I want to put some junk GM ignition on my (insert AMC, Mopar, or Ford)?" The answer is: Don't—unless you like the idea of a higher-performance, more-efficient ...

In an effort to track down the electrical gremlin that keeps the z28 from firing off after it has been sitting hot for a while, I trying some fancy goop on the ignition control module. Show more These ...

The ignition control module is a crucial component of a vehicle's ignition system. It is a control unit responsible for regulating the ignition timing and generating sparks to ignite the fuel-air ...