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 ...

Since the days of relieving flathead Fords, we've known about the advantage of porting. Grind those critical passages with the right touch, and airflow through the engine improves-and with more air ...

Hand-porting cylinder head porting is as much of an art as it is a science, but there's aren't many ways to find more horsepower with just sweat equity. Whether you're hogging the heads you already ...

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 ...

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 ...