Use a riser gasket sealer or nothing?
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Use a riser gasket sealer or nothing?
Hello, getting ready to bolt my risers onto the exhaust manifolds. 350 small blocks, cast iron mercruiser manifolds and cast iron risers. Does any gasket sealant go on them or just the gaskets themselves? 3" elbows, no steel plates between the risers and manifolds.
Brian
Brian
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The "new" graphite gaskets do not use sealer.
http://www.boatfix.com/merc/bullet/99/99_10.PDF
http://www.boatfix.com/merc/bullet/99/99_10.PDF
Last edited by Fast Algae; 05-24-2012 at 10:42 PM.