One damaged cylinder head on a V6 or V8 raises a costly question. Here's what to check before you or your mechanic decide how to tackle the repair.

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 ...

To these, Summit Racing has recently added its own line of precision cast cylinder heads for third-gen Hemis. According to Summit, these heads feature A356 cast alloy construction (factory heads are ...

If you look at a performance engine, it likely has aluminum cylinder heads, but does that give it more horsepower? Well, it's ...

As the first of the rectangle-port cylinder heads that subsequently came through the years (i.e. LS3, L92), the LS7 cylinder head still reigns supreme as the best-flowing two-valve production ...

Choosing cylinder heads for your small-block is easy, right? All you have to do is look for the one that offers the most flow. Well, truth be told, it really isn't as easy as all that, and that's a ...

While looking around on modified.com recently, I noticed a post on the site's forum asking what cylinder head porting and polishing is. The person who posted it apologized for asking what he felt was ...

Our mechanic takes us through the cylinder head and valve train and continues his explanation of how engines really work. For an engine to work, a fresh mixture of air and gas has to be able to enter ...

Step inside the machine shop to see a freshly machined Pontiac Straight Eight cylinder head and discover the precision work ...

IntroductionThe ECA engine installed in the first-generation Insight ZE1 is not just a simple fuel-efficient engine.Inside it ...

The cylinder head gasket provides a seal between the engine block and the head that caps the cylinders. The gasket not only contains the pressure of controlled explosions within the cylinders but also ...