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Message: [QUOTE="2000wa250, post: 1143402, member: 3399"] Only way I could see this working would be separate feeds to each injector with check valves in line for both oil and fuel. Some kind of manifold for the high pressure oil with 8 lines feeding the individual injectors. Same thing with the fuel side. Would take some serious r&d to find best routing, as well as size the lines to provide adequate volume to allow pressures to stay relatively consistent between individual injection events. Doesn't even begin to touch the machine work that would be needed to make it work. Talking custom head work, not to mention that's 14 more places for leaks on just the oil side, not to mention 16 on the fuel side. All of this just to get around the parasitic draw of injection events. After that were talking hundreds of hours of tuning to get it all working together, and you're still left with a situation where you may not be able to refill injectors in time. In my head it seems like the issue becomes worse and worse as run time extends. First shot could be 100%, unless you get perfect refill with time to spare, every shot afterwards is going to have diminishing returns. Of course this is theoretical and assuming high revs. To my understanding, one of the major issues with our system is trying to refill injectors out of a shared rail that is only running 65-80 psi. Trying to refill multiple injectors while other ones are currently firing puts added strain on the system. Of course none of this addresses just how the hell you would be able to plumb everything in a way that worked, was easy (relatively speaking) to work on, and could hold pressure. I would assume that by the time all of the above was completed, the cost would be way above that of a p pump, if not just in materials then in labor as well as r&d. Even assuming it was cost effective, to find investment capital for the r&d to make it all work would be a challenge to say the least with the limited market. [/QUOTE]