We can hear the howling already. "Why do I want to put some junk GM ignition on my (insert AMC, Mopar, or Ford)?" The answer is: Don't—unless you like the idea of a higher-performance, more-efficient ...

Precise ignition timing is essential for high-performance engine tuning and ensuring your small-block or big-block is delivering every horsepower within its capability. Since the era of poodle skirts, ...