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 ...
When Chet Herbert introduced roller tappet camshafts to racing in 1950, he established an upper echelon of performance hardware that continues to carry that hard-core mystique. The roller tappet ...
Simply tweaking an engine's cam specs can transform it from a bring-on-those-3.08:1-gears torque beast to a give-me-rpm-or-give-me-death screamer. In other words, a cam has the power to impart bipolar ...
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 ...