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 ...

Chevy motors have always been known as capable producers of strong, reliable power. They are an excellent base for any project vehicle, as the list of replacement and aftermarket parts for these ...

Roller rockers are not glorious parts. They look trick, but they live a pretty dismal life, working feverishly, always trying to keep things stable. Glory's one thing, but are they worth the cost?

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

Can roller rocker arms actually help add horsepower? The mechanically savvy will likely consider that question and say: “If you have more lift, and open the valves more, then you’ll make more power.