Cylinder head porting is often equated with time and expense, and we've all heard horror stories about porting through the casting and ruining the cylinder head. For these reasons, many enthusiasts ...

It might seem that the intake manifold is one of the simplest components on an engine. After all, the purpose of the intake is to provide a series of passages to join the carburetor with the intake ...

Engine porting has been around for as long as there has been electricity to power high speed grinders, but there are many options a racer or street buff can choose from when looking to improve the ...

When we first got a look at our sample pair of Trick Flow Twisted Wedge CNC heads-the first ones let out of the factory-we were impressed. Compared side-by-side in our photographs, you can see the ...

The CFD simulation of the turbulent flow induced by the intake port of a modern direct injection gasoline engine requires the application of advanced turbulence models taking into account the unsteady ...