The 6.7 Cummins grid heater is prone to failure, but why is this? We'll discuss the reasons and the fixes for this ...

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, ...

Yet even a diesel engine as impressive as this has ... It sits between the turbocharger and the engine's intake manifold and supplies cooler, denser air that has a higher concentration of oxygen.