Engine Masters, presented by Amsoil, returns with another bench racing bar fight: Solid vs. hydraulic roller camshafts! What are they, what's the difference between them, and which makes more sense ...

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, ...

There are pros and cons for each of the four camshaft styles—see which one is most appropriate for your engine. To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some ...

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 ...