We recently spent a couple of days dyno-testing several different rocker-arm ratios on our 470-inch Mopar big-block. The good news was the engine made 700 hp on pump gas, but we were disappointed when ...

An intake manifold routes a combustible cocktail of atomized fuel and air from the carburetor to the engine, and its design can have a significant effect on operational characteristics. Certain ...

Intake manifolds may not be the most well-known automotive components, but that doesn't take away from their importance. These devices are responsible for sending a precise mixture of fuel and air to ...