Porting an intake manifold essentially helps increase airflow into the engine. Improved airflow equates to more horsepower and helps the engine feel more responsive at the throttle. A standard intake ...

Chevrolet calls it TPI. Ford calls it EFI. Irrespective of the label, the latest generation of V8 fuelinjection systems combines electronic fuel control with long, sweeping manifold runners. In all ...

Cylinder head porting is one of those garage mods that lives somewhere between speed-shop legend and flow-bench science. Also referred to as port and polish, the idea is simple: Open up the intake and ...

Mopar Performance has been in the aluminum head market for quite a few years now with their Stage VI variations, which deliver the one-two punch of more power and lighter weight. The Stage VI heads ...

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 ...

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 ...

When Ford introduced the factory fuelie engine in 1986, it ushered in a new era of performance. Much has changed since the injected 5.0L H.O. first hit the streets, but the popularity of the ...

We may receive a commission on purchases made from links. Automakers strive to produce the highest-performing engines that meet their budget goals. That often means the performance gains from porting ...

Automakers strive to produce the highest-performing engines that meet their budget goals. That often means the performance gains from porting and polishing intake (and exhaust) ports aren't ...