I have a 1945 ID-9 with no engine or clutch. The ID9 is pretty much the same as a wd9 line and I think that line became the 600 series later on. I am looking for an original engine but it is turning out to be too expensive and RARE, plus it seems they were not good engines due to the head cracking and I don't really want that kind of head ache. The 350 diesel was supposedly a better engine but I don't know if it was a relatively easy installation or if that is really any better. Anyone ever sw