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 ...

If you are looking for the best-kept secret in the performance industry, look no further than your local wrecking yard. We know, the powerplants are often caked with grease and grime and are usually a ...

Walk down any row of the local car show and you will probably see a vehicle powered by General Motors' now venerable ZZ4 crate engine. The classic small-block ZZ4 is a quality built 350ci engine rated ...