Small-block Chevys first came out of Detroit with hydraulic-roller camshafts in 1987 in some passenger cars. Because the small-block was first on the scene, this story will deal with just the ...

The concept of placing a small wheel at the end of a tappet to reduce friction has existed for decades, and in fact, roller camshaft setups have been available for the American V-8 engines we tinker ...

The trick to building a budget street engine is to use as many production-based parts as possible. Original-equipment (OE) parts are generally well engineered, durable, and in some cases less ...