Get a trick advance kit for your distributor and your car will have more power and get better gas mileage! Does this sound like hype, or is this the promise of "free horsepower"—with the only ...

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 ...

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 ...

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 ...