The clearances inside diesel injection system parts are closer than those found in any other technology. The plungers and needle valves in injectors need to fit tightly to ensure precise metering and ...

To achieve the future emissions regulations with low particulate and Nox levels, both the engine combustion system and the fuel injection equipment will have to be improved. For the fuel injection ...

We have investigated the fundamental characteristics of unit injectors and pump-line-nozzle systems theoretically by a graphical analysis of characteristic lines. We have confirmed the higher ...

When Ford (in conjunction with International) converted the 7.3L IDI engine from mechanical to the hydraulically actuated electronically controlled unit injection (HEUI) system, the Power Stroke brand ...

The only performance-oriented Pontiac V-8 ever fitted with electronic fuel metering was the turbocharged 301 and T/A 4.9 of the early '80s. An onboard computer was fed information from several sensors ...