Valve covers with drip rails came stock on most high-performance big-block engines back in the classic muscle-car era, but started going away by the early 1970s during the dismal smog era when cams ...

The debate over the optimum rocker arm ratio to use has dragged on probably since the invention of the pushrod V-8. Even though Chevrolet made the decision easy for us when it engineered the original ...

Drag racers have been searching for tricks to gain horsepower since day one, and there are lots of ways to do it without spending a tremendous amount of time or money. One of the biggest downfalls of ...