The LS family of GM engines has been around since the late '90s, and over time these powerplants have found their way into everything from trucks to Corvettes. Why? Because they are simply some of the ...

This 581-inch EFI-fed big-block Chevy was crafted by Jeff Ginter Racing Engines (JGRE) in Artesia, California. JGRE builds a ton of engines for hardcore off-road racing and this 581 was no exception.

We take a look at a pump-gas 544-inch Ford big block that made 649 hp and a whopping 639 lb-ft of torque on Westech Performance’s Superflow 902 dyno.

E85-Fed 496-Inch Blown Big-Block Chevy Makes Over 1,000 HP On Westech Dyno. The E85 dropped intake temps by 85 degrees!