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Power Strokes
6.0 Aftermarket
Anybody with regulated fuel return read this!
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[QUOTE="windrunner408, post: 446780, member: 1868"] Yes it does for at least stock injectors. I'm sure Dennis can tell us more about how big of an injector the stock fuel pump can feed with his RR kit. It is as he said. All of the restrictions in the stock fuel system need to be addressed so the right amount of flow is provided to all of the injectors. With a regulator on a RR kit set to 60+ psi, the pressure of the fuel inside the rails is greater than 60 psi because the point at which the pressure is being controlled is after the fuel leaves the rails. So if 44 psi is the bare minimum that is needed to safely run the injectors and I set the regulator on my RR kit to 44 psi, then I can easily assume that I have at least that and probably 2+ more psi in the rails them selves. Furthermore, if I set my pressure to 65psi at idle and then do a WOT run and my pressure drops to 50 psi, then that is what the capability of my fuel system is with whatever injectors are in my truck and if I lower my regulator so that I have 50 psi at idle and then do another WOT run, I should now still see 50 psi of fuel delivery because I have set it up for worse case and there is still more than that inside the heads due to the fittings at the back of the heads slowing it down some and the length of line and bends in the line making the pressure drop as the fuel flows through it. Hope this helps. EDIT: you all posted before I could get this out. [/QUOTE]
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6.0 Aftermarket
Anybody with regulated fuel return read this!
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