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 ...

Most engines fall into forgotten chapters of history once they are discontinued, but the same is not true for the LS3. It's a small-block V8 from GM's comprehensive arsenal of awesome engines, and not ...

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 ...

The LS3 crate engine has earned a reputation as one of Chevrolet's most trusted and versatile powerplants. Churning out 430 hp at 5,900 rpm, in addition to 425 lb-ft of torque, which arrives at 4,600 ...

Today, we look at installing a GM Performance LS3 into a 1970 Chevrolet Caprice. Removing the stock motor and transmission will shave several hundred pounds of weight as you replace your old ...