Sorry I don't know Frank King very well=)

I was paraphrasing Stu Ritter whom is the technical chairman of the Star magazine. All MB requires is it's drinkable water. Stu is also a chemistry major from college.

It *IS* a know design weakness. M103/M104 headgaskets have been redesign many many times. Latest has a metal o-ring seal around the oil feed.
A bad gasket doesn't mean an abused engine in a M103. So milling, etc is not arbitrarly recommended. Yes, measure flatness but failure can be due to just age/use/bad design!


Michael

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Michael McGuire
83 300d
01 vw A4 TDI
66 Chevy Corsa
68 GMC V6 w/oD
86 300E