I met the maker of these pumps, through a very standup General Manager, of a large diesel performance electronics manufacturer. The guy who makes these, is a tinkerer. Let me rephrase that, an extremely intelligent and experienced tinkerer. It is not Dave's Diesel, who makes these. He, really does not have time to make these full time. He stays busy doing contract machining. They will flow so much fuel, that if it isn't delivered in a timely manner, being larger lines, open tubes and un-conventional injectors, they have some internal issues. The enemy of these pumps is restriction. I was offered to be sent one to try, the dilema to production, is having suitable cores to be built, also the time to do it. I just want everyone to know that sometimes there are reasons why things are, as they are. I know there is much debate as to the performance of these pumps. I would also like to see real results be posted. I am not a cheerleader, or for or against anyone or anything, concerning these pumps. I guarantee one thing, you will never hear a SO pump fuel knock at idle, like a truck I know of, that has one of these pumps. Delivery of volume, is relative to timing, as fuel rate is greatly increased, during the injection event, you will get a severe fuel knock, as a greater volume is delivered over the same time constraint. No SO pump will make the same audible distinction. They for one thing, do exist. Next question, will they live.
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