Vacuum advance is a topic that many hobbyists avoid like the plague. Most summarize its perceived intent into a single function—a way to increase fuel mileage. While it's true that vacuum advance can ...

There's a tiny silver can on the side of most distributors that is easily the most misunderstood component of any distributor-based ignition system. Feared by many, and ignored by many more, the ...

In a perfect world there would be no need for ignition advance curves. As soon as the piston in your vintage Vette reached top dead center and the engine built maximum compression, you'd be able to ...

There appears to be a surge of misinformation on the internet claiming that anyone who doesn’t hook their vacuum advance line to manifold vacuum is an incompetent tuner. Unfortunately, this can lead ...