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 ...

I. What is porting and polishing? When car manufacturers make engines, they don’t get them perfect all the time despite the advancement in recent years. But of course, these engines won’t go out to ...

Without question, cylinder-head porting is a science. The act of removing metal from the intake and exhaust ports to increase airflow has been used for decades, and in most cases, a skilled head ...

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 ...

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 ...

You don't need us to tell you the LS engine market has the needle almost pegged. But we can tell you that Holley has just helped move more air through all four barrels with a new, LS Gen III, ...