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A little light on the Phosphorus and zinc but exceptionally good on the metals. The new oil should raise the zinc and phosphorus. You could always add just a little bit of ZDDP. very little! Too much is worse than not enough.

Was the sample the old oil or the new oil? If new then it will not tell you if there are any engine issues.

I would still take a sample of the drained oil and send it in to be analyzed to see if there is any metal in it. Once you drain it and put fresh oil in it you need a fair amount of run time before you can get it analyzed.

You could have the oil sample tested to tell you the condition of the engine.

Guy, The Army spent a lot of money "figuring" out a lot of things. Doesn't always mean it was right, just meant it fit in the budget. I know that in the late 80's early 90's they converted to using 15W-40 diesel oil in all of their reciprocating engines. It was found to have the additives needed...

You really need to think of it realistically. The motor is toast so trying to justify using top grade diesel oil in it now is like bolting the door after the horse has has left the barn. You can go with a straight grade heavier oil like a 40 wt and hope for the best but nothing you do is going...