For the last 21 years, Dodge has offered the proven B-series Cummins engine in its 3/4- and 1-ton pickups. However, the Bosch-built injection systems found on these straight-six diesels have varied ...

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 ...

The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...

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 the ...

If you browse forums often, chances are you've come across some heated discussions around the CP4 fuel pump. The CP4, short for "Common Rail Pump 4," is a high-pressure fuel injection pump that made ...

When it comes to pump-gas performance, the name of the game is usually compromise. Unfortunately for turbo LS (or other) enthusiasts, real street (and some track) cars walk that fine line between ...