For many decades, hot-rodders didn’t have much of a choice when it came to modifying their Chevy V-8s. The good citizen in you wants to do the right thing for clean air, but the demon on your shoulder ...
Simply tweaking an engine's cam specs can transform it from a bring-on-those-3.08:1-gears torque beast to a give-me-rpm-or-give-me-death screamer. In other words, a cam has the power to impart bipolar ...