It's no secret that two turbos on a diesel engine are significantly better than one, but the problem is getting an extra turbocharger to fit. The six-cylinder Cummins engines have lots of space in the ...

Diesel truck owners oftentimes want more power and torque than is available from the factory setup. The typical installation of an intake, exhaust, and programmer has become the trifecta of power. But ...

GM Powertrain's powerful Duramax 6.6L V-8 turbo-diesel engine is revised to meet new, stringent 2007 federal emissions regulations and continues to deliver the outstanding power and torque ratings ...