Diesel truck fans may have heard the legends surrounding the 12-valve Cummins. Found in trucks like Dodge Rams from 1989 to 1998, its fully mechanical fuel system and rugged injectors are celebrated ...

In the swirling, churning fireball at the heart of every internal combustion engine, complexity reigns supreme. Valves and pistons lunge up and down at thousands of feet per second, pressure spikes to ...

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 ...

For the first time in company history, Cummins has officially endorsed a fuel additive, recommending two Power Service products, Diesel Kleen + Cetane Boost and Diesel Fuel Supplement + Cetane Boost.