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 ...

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 ...

Starting with an increase in displacement, the LS3 checks in at 6.2 liters (376 ci) versus the previous 6.0L LS2 combination. This comes courtesy of an increase in bore from 4.00 inches (in the LS2) ...

Our recent testdrive of the '08 Corvette (Apr. '08) yielded a torrent of technical questions concerning one key subject: How was Chevrolet able to make significant improvements to the decade-old LS ...

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 ...

DARPA's robotic pack mule, the Legged Squad Support System (or LS3 for short) is now following orders and its master, going where no robot has gone before. In a recently published video, the ...

The GM small block has been the gold standard for quality American V8 engine design for 70 years at this point. GM small block engines have seen 13 U.S. presidents serve office, and has been a pillar ...

The Chevrolet Corvette is an American institution. As one of the nation's favorite sports cars, it's been on the scene since the early 1950s. There have been some great Corvettes, and some that are ...

We're always down for a good V-8 swap, and this one is exceptionally cool. It's a Chevy Sonic hatchback rally car that's had an LS3 crate motor shoehorned under its hood, and equipped with all-wheel ...