23-04-2015, 05:43 AM
I used to use it in XUDs, made a huge difference especially when I was running pure veg oil, but I don't like the idea of doing it in the HDI. The HDI was designed to run on newer diesel without sulphur as a lubricant, so I don't think it needs it. In an older diesel, it makes up for the lack of sulphur.
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