The all-new 6.7-liter Cummins High-Output Turbo Diesel is rated at 430 horsepower and 1,075 lb.-ft. of torque. A redesigned block and head, robust heavy-duty pistons, new performance intake manifold, ...

The 6.6 Duramax is one of the most powerful engines for heavy-duty trucks like the Chevy Silverado and GMC Sierra, but how ...

Y ou'd be hard-pressed to find somebody who doesn't have even a slight soft spot for some sort of classic automobile. There's ...