Porting an intake manifold is a simple and underrated mod that directly improves engine airflow and power, and it's ...

Editor's Note: As inanimate as intake manifolds may appear, they provide a path to both major and minor on-track power gains. Selection is one thing; "tuning" them to specific applications is a blend ...

Popping the hood of a new Mercedes-Benz 300SL Gullwing must have been quite an experience for most enthusiasts in the Fifties. For starters, the 3.0-liter straight-six sat canted at a fifty degree ...

On the surface, GM's Tuned Port Injection had everything going for it: style, good looks, and superior breeding (resulting, as it did, from the marriage between Rochester Products and Chevrolet ...

A few companies have recently ventured into the Coyote intake manifold market and when we saw Holley’s fabricated version, we had to test it. “The Coyote is obviously an innovative, new engine capable ...

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 ...

Does porting an intake manifold affect engine performance? Find out how modifying airflow with a die grinder unlocks hidden ...