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 ...

COMP Cams Explains the Pros and Cons of Solid, Hydraulic, Flat-Tappet, and Roller Cams, and the Advanced Technology that makes them all Work. With horsepower seemingly growing on trees these days, ...

Camshaft selection has always confounded a lot of us. What does it all mean, and which cam is the right cam for your Mustang? The most basic question with cam selection is flat tappet (old school) ...

It's been all the talk on internet forums, club meeting hangouts, and in enthusiast garages across the nation—the loss of zinc and other protective "barrier" chemicals in modern oil damaging ...

Flat tappets place a unique demand on the engine and engine oil, as this is a high heat, high pressure, high shear stress location of the engine. Without an oil film, you’d have the quickly moving ...