If you want to make your diesel go fast, there are only two things you need to make it happen: more air and more fuel. Of course, that’s entirely oversimplifying the situation, but you get the picture ...

If we were to oversimplify how power is made, we’d say this: As more pressure is created in the cylinders, more torque is delivered to the wheels. That pressure can be a result of increased boost ...

The 7.3 PowerStroke, 5.9 Cummins, and 6.6 Duramax, are all iconic diesel engines, but how do they compare? Here's a side-by-side look from power to reliability.