Well now I can have a belated HAPPY BIRTHDAY! I got the diesel working great. The knocking was a sticking lifter - replaced and cured that problem- sure sounded like a rod knocking though. Had a diesel man suggest that if an injection pump has not been used in a while they can cause a lot of blue smoke even if the car runs good. Sometimes they come back - sometimes they have to be rebuilt or changed. I filled the injection pump with ATF and let it sit for a day. Then I started driving the car for a couple of hours and slowly but surely the smoke started to disappear. It now is fine. Just learned another thing with diesels that I did not know. With a sigh of relief I now say thank you for your birthday wishes!!!:p :p :p :p