A complete guide to the history of the LS and Vortec engine brands, the differences between them, and their components. Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest ...

When you think of the words "Kinsler fuel injection," your mind probably recalls the mechanical injection setups of the 1960s and '70s--those ubiquitous isolated-runner systems with ram tubes for each ...

There's a reason why gearheads put both LS (not to be confused with LT) and Vortec engines under the same umbrella of "LS", despite GM originally assigning them different badges. (And in case you're ...

Project Groundhog, Part 2: Buttoning things up with the installation of heads, valvetrain, and intake on our rescued 2005-era Chevy LS truck engine. When we left Project Groundhog at the end ofPART 1, ...

Engine shopping can be tough if you're looking through a list of them that all have similar names. A question you might ask yourself is what's the difference between General Motor's LS1 and LSX ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

Ever since Chevrolet started putting LS series engines in the Corvette and Camaro in the late '90s, the durable LS engines have become quite popular for engine swaps. Their six-bolt main bearing caps ...

Am I getting lazy in my old age? Perhaps. Even if I were, it doesn’t explain why an engine swap that began last summer took eight months to complete. Other, more tangible reasons factored in, like ...

When it comes to LS engine swaps, automotive enthusiasts have pushed the boundaries of creativity and performance in various vehicles. But what happens when you take this iconic engine and transplant ...

Turbos and superchargers have made extra power almost easy to come by. Thanks to them, even tiny four-cylinders can make the type of numbers that used to be reserved for big-displacement engines. That ...