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 ...

When introduced for the '05 model year, the C6 received the evolutionary Gen IV LS2 powerplant, which carried ratings of 400 horsepower and 400 lb-ft of torque. While the new engine's cylinder heads ...

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 ...

Although all of GM's divisions produced big-block-powered musclecars back in the day, most of which have gone on to become legendary, serious performance efforts have often been forced to rely on the ...

Internal combustion engines are fairly simply machines. When you break it down, they are nothing more than air pumps. When it comes to making horsepower and torque, the simple fact is the more air you ...

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 ...

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 ...