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#31
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#32
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Now hold on there, the claim isn't that detergents added at a ratio of 1:1000 are increasing fuel ecnonomy.
The claim is that 2-stroke oil added at a ratio of 1:100 will increase fuel ecnonomy. So let's not go comparing apples to watermelons. However, 1% of anything in the fuel increasing the fuel economy 4%-8% (1-2 mpg) still seems like a bit of a stretch, but not impossible. If it improves the cetane value significantly, then I could buy that - maybe...
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1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown |
#33
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i remember reading it in diesel world or diesel power mag.they have a website ,i guess a tenth of a percent of detergent may not do anything to a fuel system.I am not sure i want to take that chance.I more worried about the seals in the injection system.perhaps i should try some sae 30 motor oil instead?i dont think there are any detergents in those.
if anybody knows about that i would be intersted to see the stats. |
#34
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I remember a discussion of this several years ago. Several posts indicated that a little "added protection" would otherwise not harm anything, so some were adding a small amount of a petroleum- based thin hydraulic fluid like atf at fillup in order to help ensure there would be no, or less wear on the IP as a result of the re-formulated fuel. When I posed the question to a friend who works for an oil company, he shrugged off the idea that mechanical pumps would have excessive wear- and suggested that "most pumps nowadays" would be fine with the reduced sulfur component in the fuel- because they were comprised of very little metal, instead being made mostly with plastic and metal-alloy internal parts "it's just a simple electric pump." The problem I see is that fuels are being developed not for 20+ year old diesel cars which are still running along without issues, but what the manufacturers are cranking out now.
I add a bit of additive at fillup for piece of mind more than anything. I buy B20 when I can find it (the 190 loves it.) But truthfully, after changing fuel filters 2-3 times in a year on our gas car due to sludge, I don't have any reason to trust that the companies I buy my fuel from are looking out for my old diesel. |
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