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 benefits and shortcomings of EFI versus carburetion is a hot and ongoing battle in the hot rod community-and one that we're not going to engage in for this feature. No, for this one we're going to ...

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 ...

Ever wondered which injectors are in your truck, what they look like, or even how they work? Throughout the progression of diesel injection systems, this component has gone from extremely simple to ...

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 ...