When you’re trying to learn about older cars, you might as well be signing up for the debate club. Every question, especially when it comes to breaker points, electronic, and multiple spark discharge ...

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 ...

It doesn't matter how stellar an engine you build—if the spark isn't there to light off the air/fuel mixture, you've just built yourself a giant paperweight. Yes, there are lots of aftermarket ...

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 ...

Just like spark plugs, ignition coils can wear down and become faulty over time. There are many common signs that an ignition coil is getting bad, but one obvious sign is an engine misfire, typically ...

With the current crop of ignition systems designed for hot rod enthusiasts, it's easy to get confused over which one is best for you. They all promise increased performance over stock systems, and ...