Mechanical lifters were once commonplace in internal combustions engines, but they've been mostly replaced by hydraulic ...

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 ...

Without a doubt, solid cams carry a certain mystique. In the musclecar days, solids were factory-fitted in some of the hottest iron out of Motown, including the early street Hemi. There was a little ...