Does this really add horsepower? Yes, exhaust always adds power, especially to late-model EFI cars. But this isn't all about horsepower; it's also about making your Corvette sound better. The stock ...

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 ...

There’s an old adage about a dog whose bark is worse than his bite, but what if it were the other way around? Such is the case with the new Chevy SS. Even with an eight-cylinder LS3 under the hood, ...

Chevrolet's LS-series ("luxury sport") is one of the most popular V8 engines ever with literally dozens of different iterations available. Of those, the LS3 is at the top of the desirability heap, ...

The small-block Chevrolet (SBC) V8 has undergone several refinements over the decades since its creation. While every true SBC generation uses the same 4.40-inch cylinder bore spacing, single camshaft ...