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Message: [QUOTE="TARM, post: 96620, member: 578"] There are a number or 7.3 and a cummins user. The one I found specifically with the 7.3 and then swapped out the 7.3 for a cummins has over 50-60K miles on it with no issues. Another guy had it on one truck for a year and then sold it or something happened to it (can;t recall which and he now has it swapped onto another truck for the last couple years. I think I can dig up a link for at least a couple of them if needed but that is in summary what was reported. I tend to log a good amount of miles with tons of key off and ons and I also run my pressure a bit higher than the majority @ 70 psi so if its going to be an issue I should see it. I am glad to be the forums test guinea pig per se. Dennis, I was given the same info as I was hounding the Bosch techs for a couple weeks striaght about what all they do to their pump and what not. While its not rates for diesel the way the tech put it to me without directly staying it was while they are not rated for diesel there are no internal differences in the pumps materials or design other than it being larger physically and higher flowing. To me that kind of got me the info I was looking for and had sort of figured was the case anyways. But I can see from a business position of selling pumps this would be a deal breaker for you as it would be hard to sell pumps specifically for diesel setups that is not covered by their basic warranty. I have to say the tech for Bosch were very helpful as I really picked their brains on stuff. I have to say I learned a ton and beyond that in being told all the little things done in the design of Bosch pumps my positive opinion of them grew. From all the positive and damage prevention their addition of a simple fast acting check valve to their pumps adds to the thermal overload circuit to prevent pump damage from over heating along with the coatings on the various internal components. All I know is I have learned a ton in doing this last fuel system and I think I have arrived at as good as it can get for the 7.3 within reason. If for some reason I have an issue with the main pump then I am going to a full out gear or belt driven pump for the ultimate in fuel delivery and long term durability and toughness. Not to mention simplicity once installed. But I am very happy currently with the setup I am running in the previous post link. [/QUOTE]