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, ...

Taking a Dodge Magnum—a car never known for outright speed—and stuffing it with an 800-horsepower Hellcat Redeye engine is a ...