Wet flow testing has moved in and out of the realms of mainstream power topics many times during the last 40 years. Like many aspects of race engine development that are a step aside of normally ...

The following charts reveal the flow bench data collected on a Super Flow bench at 28 inches of water depression for a typical three-angle valve job and then Traco's enhanced low-and mid-lift flow ...

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 ...

Dart says its As-Cast heads are "...for the commodity kind of guy, who wants to make between 500 and 800 hp, depending on displacement or power adder." The two new heads are known as the 170 As-Cast ...