Reply To: Mid 50’s OMC head gasket sealer?

[drifter]

I looked at the tech data on the Permatex Aviation gasket maker and can find no information on copper being an ingredient. I have several new head gaskets for the subject engines and can find no indicators as on them as to sealers.
I think at this point I’m going to install dry and use the Permatex on the head bolt threads as I have done for years (also on the exhaust cover bolts)..
I remain curious as to the pros and cons of using sealer on these dry head gaskets and look forward to hearing any comments on successes or failures.
Thanks to everyone for their input.