If you're into wrenching, you might have heard of roller and flat tappet cams, but what's the difference between the two, and ...

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 ...

Nobody said this hobby is inexpensive, but things have certainly gotten a bit out of hand. Yeah, we all want the latest and greatest performance crate engine, but for most of us monetary reality says ...