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 ...

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 ...

Some very valuable tuning tools are greatly misunderstood. Take the lowly vacuum advance canister. Many enthusiasts dismiss this device as superfluous—or worse—only for emission-controlled engines.

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 ...

You just put your new crate engine together and your adrenaline is pumping. Pump the throttle, turn the key, and… the thing runs like a total dog. It idles fine, but as soon as you step on the ...