Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

A stock fuel pump won’t cut it for a custom engine build—so we’re upgrading! In this video, we walk through the full fuel ...

Editor's Note: Famed HPP contributor and author Rocky Rotella's latest Poncho-engine book is sure to provide Pontiac performance fans with an edge on the competition at the starting line and on the ...

High-output engines live in a world of brutal cylinder pressures, extreme temperatures and razor-thin safety margins, and the humble piston sits at the center of that storm. When power levels climb, ...

Daud Gonzalez is a lifelong car enthusiast and automotive writer with a specialty in modified and race-ready rides. He spends most of his time modifying his cars and ruining them in the process. He is ...

When it comes to crate engine suppliers, ATK is one of the less well-known names. Many custom engine builders tend to go with products sourced directly from automakers, like GM and its powerful LS ...

During the 1960s and early 1970s, American carmakers were one-upping one another in the factory-built performance segment. This saw the introduction of many iconic V8s, of which the following five ...

Though it's rare and might be considered an oddity by some enthusiasts, the inline-five has proved its worth on numerous occasions, particularly under the hood of these iconic performance cars.