Re: Old Style "Rams Horns" Exhaust Flange Donut Gasket
At the age of the manifold, it may well be pitted enough to allow a leak, even with the doughnut. I had a Buick like that, and used some exhaust system sealer. Of course, it was metal to metal, (which gaskets still didn't help). I got it at O'Reillys.
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~Steven
'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper
Simi Valley, CA
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