Without debating the legality of it, is it possible to run an HDI on red diesel? I've heard conflicting views on this, and would like the opinions of some in here if possible. I've heard, 'Yes, it's fine,' and 'No, don't do it;' the reason given being that it doesn't have the same lubricating properties as standard diesel and isn't as clean and HDI's don't like that - apparently it's fine with the older non-hdi engines though? Ta