Six Letters Re: Proper Lubrication with Ultra Low Sulfur Diesel Fuel?
Jim A couple of points on ultra low sulfur diesel (ULSD). Back in the 1990s low sulfur was introduced and we had a rash of pumps “wear out” prematurely for the most part these were older and or rotary pumps that were poor performers to begin with. It has been my experience that the “Bosch in inline” pumps tend to be more forgiving. If on road legality is of no concern than a gallon or two of marvel mystery oil will cover your lubricity issue. When I was in the coast guard we had a mixing formula to mix 40 …