Quote:
Originally Posted by 51 MERC-CT
Might be dirt or something but it sure looks like a burnt exhaust valve in #5 cylinder.
And to me the overall condition doesn't look that great ether.
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Personally I thought it would look better when I opened it up. I think the valve is fine . Used to get 21 -22 Hg at idle [with twin carbs] I could pull 60mph out of second easy., was a great engine but did spend most of its time in commuting.