Thanks for your replys guys.

Is it possible to straighten a 603 head that is 0.01" bend?
I can machine the parting surface, but what about the cam bearings?

This head is not creaked, may just be an optical illusion.

The damage is from the parts that blow of the PC, I don't know about the piston. I only have the head.

I can install the caps from the 603 on the 601 head and use a dial bore gauge to check the bores, but first i should check the rust on the valve seats.

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76 240 D. Bought in 1998 for $25.
85 300D. Got it for free with a bad engine. ( Sold )
60 Unimog 404. What was left of it, was given to me. Now powerd by 617A.
88 560 SEL. Bought without engine and trans. Now powerd by 617A.
67 250 SE. Cuope. For resto or sale.
64 220SE. For resto.