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35fordtn · 02-04-2020, 03:48 PM

I have not run into this before... On a 1941?? Mercury engine.
It is a 3-3/16" bore, with the early type Water passage openings (triangle on top circle in middle and trapazoid shaped bottom one) Nobody makes this gasket. Can a 59A 46-48 gasket be used even though the water passage shapes are different?

02-04-2020, 03:48 PM	#1
35fordtn Senior Member Join Date: Aug 2010 Location: McMinnville, TN Posts: 2,327	Mercury head gasket question I have not run into this before... On a 1941?? Mercury engine. It is a 3-3/16" bore, with the early type Water passage openings (triangle on top circle in middle and trapazoid shaped bottom one) Nobody makes this gasket. Can a 59A 46-48 gasket be used even though the water passage shapes are different?