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 ...

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 ...

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 ...

When the people at General Motors Performance Parts introduced their LSX block, a heavy-duty cast-iron piece for the LS engine family, they also threw down the claim that this new piece could reliably ...

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 ...