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 ...

Port Flow Analyzer – now available from SuperFlow Technologies Group – is a computer software program designed to streamline recording, calculating, reporting and graphing of cylinder head flowbench ...

Earlier this year, we began a LS2 testing program at Dan Millen's Livernois Motorsports, one of our favorite Detroit area speed shops. In case you are just tuning in, the LS2 is the amazing, pushrod V ...

Whether you want to admit it or not, more than a few Bow Tie racers have lined up against 5-point-slow Mustangs only to discover that they-on rare occasion-aren't actually all that slow. Chances are ...

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 ...