Part I in the October 2002 issue began to unravel the mystery of deciphering airflow numbers that are derived from flow bench testing. We addressed the question, "Why test for airflow?" and detailed ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

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 ...

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 ...

"Racing improves the breed," the old adage goes. But is change always for the good? That's what we set out to discover in this month's dyno thrash. In one corner, we had Dart's veteran Pro 1 aluminum ...

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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.

Control of the chemical process is configurable, and it can be tailored to automatically cover a range of process conditions - the latter of which can also be edited during operation if required. The ...