In the timing section of "Power Tuning" we learned why a distributor has an ignition curve and how it works. Now we're going to look at the procedure for setting up an ignition curve or modifying an ...

This GM HEI has the typical gummed-up mechanical-advance mechanism. Note the corrosion on the advance-weight pivot pins (arrows) caused by voltage arc-over and lack of lubrication. Brad Urban at 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 ...

So you're wondering what's the big deal with "digital," are you? Unless you've been hiding under a rock for the past decade, almost everything you hear about is new, improved, and digital. The "old ...