Quote:
Originally Posted by shertex
To me it was significant that someone who does oil analysis for a living thought it was a good idea...and it's really the only case where he recommends any sort of additive.
To quote him: "There is one component that I firmly believe in, and that is lubricity additives. In the absence of sulfur there is little lubricating value in ULSD fuel. This is especially important in older sleeve metering and scroll type injection pumps. In addition, cold flow improvers are equally important in severe cold."
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It's difficult to know for sure if adding any type of lube to the fuel is beneficial, my '95 E300 has over 400000 miles on it and the only thing I have ever added to the fuel was "Power Service"during the 8 winter months to prevent gelling of the fuel in this terrible frozen climate that I live in.