Have you heard? The old rules about cylinder-head flow are changing. It's not strictly about airflow anymore. If you're serious about making horsepower or at least knowing what the big dogs are doing ...

Over time, we've used this column as a forum to discuss various aspects of engine air flow. One topic we've not included in these discussions has been the practice of comparing port volumes as a ...

The field of engine design requires a wide variety of parameters to show the performance of an internal combustion engine. A very popular way to do so throughout the industry is with the use of a flow ...

When starting out on the path to customization, the first thing anyone wants to do to their truck is replace the factory air filter and intake tube with something that works better and looks cooler.

For the power hungry, the only thing better than a modified LS engine is a supercharged LS motor. Nothing wakes up a Gen 3 or Gen 4 small-block like a little boost. As cool and powerful as the ...