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 ...

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 ...

This is the twin TBI setup attached to the top of the new cross-ram manifold. Note that fuel enters the left TBI unit first and then on to the right unit before being returned to the tank. Although ...

It's tempting to swap a carburetor for more modern electronic fuel injection. But while such a move can improve your car, it ...

The carburetor was invented well over a century ago and served the internal combustion engine well. Later, electronic control was married to carburetors with so-so results. Okay, the results were ...

Many car crafters roll their eyes and tune out when bench racing turns to electronic fuel injection (EFI). We're not here to hijack you into believing that EFI is cheap or even simple. Carburetors ...