I don't know Eric. I think you are going about it all wrong. I have seen these cars start with only one heathly cylinder hitting after having the fuel lines off. If it were me I would begin by checking the "start of delivery" and then if the IP is time right I would have to pull the cylinder head and take a look to see what is going on there. If the glow plugs glow on the head I would not worry too much about them not being "hot".

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Jim