Since a Pontiac V-8 is a pushrod engine (instead of being an overhead cam design), it afforded us the opportunity to explore a different rocker-arm ratio and determine its impact on power. As built, ...

To call the Crane Cams shaft-mounted "Quick-Lift" design rocker arms new would not be entirely accurate. To say they have burst onto the scene and have created a lot of excitement among ...

Overhead cams are a more efficient method of actuating the valves than with a pushrod, but someone in Detroit never got the memo. And thank goodness they didn't. With production pushrod mills turning ...

An engine's power production is directly proportional to its air-processing capacity. Internal-combustion engines consume both fuel and air, but the air is far more difficult to ingest than the fuel.