"Bullwinkle, that trick never works. Why don't you figure out how to make hydraulic roller lifters survive big spring pressure." "Huh?" Like Bullwinkle, hydraulic roller lifters get no respect. It ...

Technology has had a positive effect on traditional Pontiac performance. Today's monster mills perform considerably better on the dragstrip than yesterday's race engines, but are often so reliable and ...

The new darling of the camshaft world is the hydraulic-roller cam. GM made it fashionable back in the late ’80s when Chevy put hydraulic-roller cams in production Corvettes and ’87 Camaro engines. At ...

The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...