Since its introduction in 1965 the Chevrolet big-block V-8 has been a popular performance powerplant. Over the years the engine's design has been refined, the displacement has grown, and today one of ...

Free horsepower. What a great idea. In the case of resonant manifold tuning, most commonly known as ram tuning, an engine can actually realize additional horsepower and torque simply by catching the ...

Chevy released the Mark IV big-block or "Rat" in 1965 to replace its "W"-series motors. This new engine featured (among other things) new valve placement and combustion chamber design to increase ...

The idea behind building power is simple, remaining almost unchanged since the inception of the internal combustion engine. The quicker and more efficiently you can get the air and fuel mixture in and ...