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.

As the saying goes, “Horsepower sells cars, but torque wins races.” It’s true, engines are all about torque, and horsepower is just math based on that torque number and rpm. But it’s about more than ...

Iron 5.7L LS1 budget engine dyno run - Fast 92mm Intake We took the rotating guts from an LS1 engine and stuffed them into a bored out 5.3L block for a budget engine that put out over 450 horsepower ...

Westech Performance dyno tests a 1971 Mercedes 300SEL that's been modernized with an LS9 drivetrain and Art Morrison chassis by Icon. The supercharged crate engine puts just over 470 hp to the rear ...