Cummins’ 5.9L diesel engines have many wonderful traits, from the simplicity of their design to the durability and reliability of their internal components. However, the powerplants also have parts ...

Badly labeled or confusing fuel pumps turn a routine stop into a four‑figure gamble. When drivers grab the wrong nozzle or a ...

In the last issue we presented 18 engine assembly Do's and Don'ts related to the bottom end using an early 389 Tri-Power engine for illustration purposes. For this installment, we returned to DCI ...

Have you ever wondered how fuel gets from the tank of a car to its engine? Well, for a diesel engine, it all starts with the lift pump, which is a low-pressure pump that draws the fuel up and out of ...

Building an engine is a sort of rite of passage for motorheads, one that holds the power to provide a tremendous sense of accomplishment, though it can also bring the pain and frustration of failure.

When you’re pushing hard on the racetrack, maintaining optimal engine oil pressure is critical. With that in mind, GM-performance specialist Katech is now offering a new oil pump for the GM LT engines ...

Diesel engines operate at higher compression ratios than gasoline engines, and fuel is injected under much higher pressure. An injection pump, usually driven by a belt or chain linked to the ...

The second generation of 5.9L Cummins engine from 1994 to 1998 is one of the most desirable diesel engines -- largely used in Dodge Rams -- due to their power and durability. This is in part due to ...

For as long as there have been mass production engine rebuilders there has been skepticism about quality and a trail of tears to go with puddles of oil. We’ve all been there one time or another. Need ...