The best way to appreciate the capabilities of the process is to examine the inside of an intake manifold runner before and after the modification. This view shows a stock runner in a TPI manifold ...

The Extrude Hone process has taken cylinder head and intake manifold porting to new and exciting levels and is even very affordable to do. What's even better is that a head or intake that has already ...

Narrator: I know what you're thinking. No, this is not one of those viral slime videos. You're looking at a process called extrude honing. But what exactly is it? Gary Kubo: Extrude honing is a ...

Engine block cylinder honing is a fairly straight-forward and decades-old practice that hasn’t required a lot of advancements through the years. Shops and garages across the country have peg boards ...

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 ...