This is also my main fear. I have spent so much on it, I don't want to throw money away unnecessarily now. I understand totally where you are coming from. I'll have some diagnosis done on Wed by an independent (without jumping into fixes) of the oil leak, coolant leak, rough idle, and rough running and see where that all leads. And hopefully before Wed I can complete the basic checks myself. Depending on the outcomes, I might contact Mr. Vanos.