Every GM aficionado knows that factory engine blocks have practical limits, both in terms of durability as well as displacement. Although production LS1 and related Gen III and IV family engine blocks ...

Sometimes you just have to start from the ground up when it comes to building an engine to handle your specific desires. While the LS series welcomes all sorts of bolt-on performance mods to increase ...

So you've done the heads and cam swap and added all the bolt-ons your late-model LS-powered Trans Am or GTO can stand, but 11-second time slips are just not scratching the itch anymore, and you're ...

GM Performance Parts has just released the first pair of crate engines based on the LSX Bowtie block: the LSX376 and LSX454. The LSX Bowtie block is the foundation of GMPP's LSX line, and is designed ...

Nelson Racing Engines continue to show the world over that one can never have too much horsepower, especially in a Small Block V8 engine. Case in point: their built twin-turbocharged 427 cubic-inch ...

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 ...