The first difference that stands out between the LSA and LT4 General Motors engines is that the first is obviously an LS, while the latter is an LT. While being of two distinct small block engine ...

Chevrolet created the crate-motor craze with the introduction of the 345hp High Output (H.O.) 350 in 1989. The concept of a factory-built high-performance engine assembly has since proven irresistible ...

Chevrolet has been making some of the best V8 engines in the world for decades. They've made small blocks and big blocks, a long list of high-horsepower engines, and several of the most reliable V8 ...

A modern performance legend that took on the world’s most powerful performance engines and proved that a stonking great supercharged V8 has still got what it takes. LT4-Engine-Article The LT4 engine ...

In Part 1 of our LT4 engine build (click here), we inspected, machined, and assembled our LT1 turned LT4 short-block at Trans Am Racing under the watchful eye of Mark Jeffrey. Mark has a long-standing ...

It’s the new kid/engine on the block. The gasoline direct injection (GDI) LT1 made its appearance in the 2014 Corvette, quickly followed by its supercharged LT4 cousin making a killer 650 hp. Let’s ...