I had a guy tow his 2000 2500 CTD to my shop and said they had been trying to get it to start for a few days with no luck , I didnt ask what all they did I just checked the basics, the transfer pump had failed and wasnt getting fuel to the filter, so I replaced it and bled the injectors it fired right up,but was smoking white, I pulled it out side the shop and thought I had better check the oil. before I take it for a test drive thats when everything went down hill, there was antifreeze in the oil, I called them and asked what exactly did they do to try to get it to start, then the bad got worst , they had tried to fill the filter with thinner, and that didnt work (go figure) then they started to dump starting fluid into the turbo, a full can . They said they only heard a pop some rattling and a small fire. the part that gets me is it says right on the air box DO NOT USE STARTING FLUID . But I guess that was not good enough. I know the head is shot the dead give away is the antifreeze oozing out of a crack on the back of the head. but I have never had anyone bring me one like this before, I wonder what all it could damage if it cracked a head. I told him to look for a used engine but I wonder if there is any hope of saving this one, it is sad the truck only had 102,xxx miles and has never had a gooseneck hitch or 5th wheel in it. the man told me the heaviest thing it had ever pulled was his 18 foot ski boat and had never been chipped or anything ,totaly stock. any one else seen this before , the use of starting fluid ?