The sulfur in diesel fuel is for lubrication of the pump. The new low sulfur and Ultra low sulfur fuels have lubrication additives to replace the sulfur. Off road diesel can be anywhere from 500ppm sulfur up to 1500ppm. Low sulfur can be up to 500ppm. ULSD can be no more than 15ppm. DO NOT try to put high sulfur in a pollution controlled engine. 07 up Duramax has a particulate filter that will plug in 2-3 tanks of high sulfur. For the older ones with only a catalytic converter, it will poison the catalyst and cause you to not pass an emmissions inspection if you have them. Over the long haul it will plug the converter too. I know a guy who has a VW diesel he runs on peanut oil. Smells like a french fry fryer running. As long as what ever you use has enough lubricity, filtered well enough, doesn't coagulate when cool, I'd say go for it. If you have something pollution controlled, think twice.
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Today's Featured Article - What Price Enthusiasm? - by Anthony West. Quite frankly, for some time now restorers like myself have become more and more concerned about the rapid increase in the prices of old farm machines here in England. There is now a growing market for "As found" machines. Which as machines get rarer, has found the birth of a new industry....one of the "procurement agent". These agents appropriate as much old machinery as possible then inflate prices at auctions. So at what price enthiusiasm? We are now seeing poor machines which 3 years ago ma
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