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 ...

It wasn't all that long ago that GM engineers designed the original HEI system to replace the decades old points-type ignitions. In the mid-'70s, leaner mixtures demanded greater voltage and more ...

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 ...

Chemistry is a subject that can be a confusing subject, especially when it comes to the differences between materials like MSD’s Spark Guard and a completely different chemical paste often used when ...

When we first met Steve Davis, owner of Performance Distributors, we knew immediately that he was an out-of-the-box thinker. That's a pretty common characteristic among successful entrepreneurs, but ...