A stock LS3 rec-port intake manifold is hard to beat and only costs $299. When Chevy went back to the drawing board after the success of the cathedral-port Gen III LS1 small-block V-8, it realized ...

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 ...

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) ...

What is the best bang-for-buck V-8 crate engine you can buy in 2024? The correct answer is Chevy's tried and true swap platform, the “Gen IV” 6.2-liter LS3 V-8 engine. Why the LS3 when there are ...

Chevrolet Performance pulled its LS3-powered 1955 Chevy Bel Air out from its collection and turned the spotlight on the former SEMA Show car for a recent video filmed for its YouTube channel. This ...

The inception of GM Performance Parts started in the late 1960's when a then-27-year-old Ernie Callard was invited to a high-level GM Directors meeting to discuss the factory support needed for ...