I have an oil leak out of the back of the head gasket on the passenger side on my 300SE with the M103. I'm going to have to pull the head and replace the gasket. I'll do the valve seals as well. I hope you took pictures of your work. BTW, I just saw the thread today.

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Regards

Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.