Chevrolet took one heck of a chance by replacing its much loved small-block with the modern LS1 engine. The LS1 had big shoes to fill—after all, the original mouse motor was the darling of the racing ...

In the market for a huge power increase? Then you're probably looking at getting a set of ported aluminum heads on your GM car or truck. Here's a sampling of what's available from the aftermarket ...

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 ...

The question of the day seems to involve the difference between the original cathedral-port and modern rectangular-port LS heads. More specifically, which one is better? Were we to compare two sets of ...

Ever since humans started using motor cars, they have undergone massive transformations, makeovers and evolutions. Every part of modern-day vehicles is a highly advanced version of what was used in ...

Chevrolet took one heck of a chance by replacing its much loved small-block with the modern LS1 engine. The LS1 had big shoes to fill—after all, the original mouse motor was the darling of the racing ...