Hot Rod

Making Sense of Cylinder-Head Flow Testing

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 ...
Motor Trend

Testing Cylinder Heads and Camshaft on a 5.0L Engine

The word nostalgia means different things to different people. Sure, we look back longingly at all those wonderful classis and muscle cars that got away, but do we remember them as being at least a ...
Motor Trend

Cylinder Head Port Design - CHP How It Works

The intricacies of airflow dynamics through a cylinder head are some of the most difficult concepts to grasp in all of hot rodding. That made it the perfect topic to discuss in the inaugural ...
Jalopnik

The Biggest Pros And Cons Of Porting Your 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 ...
Hot Rod

Making Sense of Cylinder-Head Flow Testing

This would be the most accurate, but least practical, method of testing. Imagine porting a cylinder head while quantifying the results on a dyno and having to R&R it each time and then running the ...