Even the competition has to agree, Chevy's LS-engine family is more than just a worthy successor to the original small-block; it's one hell of a motor. The Blue Oval boys are jumping up and down about ...

Loyal HRM readers will no doubt remember our "Ultimate Chevy LS Cylinder Head Test" in the Dec. '10 issue in which we tested 11 different LS1/LS6 cathedral-port-style heads. In this issue we're doing ...

Let's face it, not all crate motors are created equal. In a world in which remachined, remanufactured, and reconditioned all blur into one seemingly unremarkable product, it is refreshing to see that ...

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 ...

As powerful and efficient as the Corvette's 6.2L LS3 engine is, there's always room for improvement. This unrealized potential is perhaps most evident in the cam timing, which is relatively mild ...