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 ...

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 ...

Selecting the right cam for your performance street/strip or even full-race Chevy engine is difficult, especially if you don’t speak the lingo. Even before taking a look at things like cam lift, ...

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 ...