The "battle of the camshaft lifters" has been going on for years. Each design has its proponents. Those in favor of hydraulic cams cite reduced maintenance and claim that equivalently ground ...

Picking the right valvetrain for your engine can be a daunting task. Solid flat tappet, hydraulic flat tappet, solid roller, hydraulic roller; these are the choices, made even more difficult due to ...

With the availability and efficiency of roller camshafts it’s a no-brainer to use a hydraulic roller setup even on the simplest of engine combinations. The roller lifters take a lot of load off of the ...

Reviewing and installing the Tomahawk valley pan for roller lifters on a Pontiac short block. A closer look at fitment, ...

The Pontiac 400 is still having issues, and this time it points to a hydraulic roller lifter failure. Breaking down the problem, symptoms, and what might have caused it. #Pontiac400 #EngineBuild #CarR ...