The demands for better emissions and fuel economy in the mid 1970s necessitated leaner fuel mixtures. These leaner mixtures required greater voltage and more spark to ignite. This challenge led GM ...

It seems like such a small thing—that tiny area approximately 0.040 of an inch wide inside each combustion chamber. That area we're talking about is the gap between the electrode and strap on each ...

Stock HEI distributors are like you-know-what. Everybodys got one. Stock HEIs generally work well in stock applications, and for the guy who doesnt plan on running his motor much past 5,000 rpm, ...