Chevrolet Performance engineers didn't set out to create the most powerful crate engine in the company's history. It was the fortunate consequence of their development process for the LSX454R drag ...

Well cover the details shortly, but for now, all you really need to know is this: GM Performance Parts new LSX 454 is the most powerful crate engine in the history of Chevrolet. Rated at 620 hp and ...

Chevy revealed its largest crate engine yet at SEMA—the 776hp LSX454R. A cast iron block is crowned with 6-bolt LSX aluminum heads which together with forged aluminum pistons help deliver a ...

Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...

Sam loves to write and has a passion for auto racing, karting and performance driving of all types. Get our GM news straight to your inbox. We'll send you one or two emails a day with the latest GM ...

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 ...