The fuel injection pump is the heart of the diesel engine. Precisely delivered fuel maintains a rhythm or timing that keeps the engine running smooth. Simultaneously, the pump also controls the amount ...

The key ingredient to maximizing the peak performance of a diesel engine is increasing the amount of diesel being burned. On old mechanical-injection engines, the only way to do this was to modify the ...

If you want to squeeze more power out of a 24-valve diesel Cummins engine, you might want to change out its fuel-injection pump with the P-pump conversion kit.

Add Yahoo as a preferred source to see more of our stories on Google. Founded in 1919 by Clessie Cummins — with financial help from moneyman William Irwin — the company now known simply as Cummins, ...