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Old 02-12-2022, 10:45 AM
Lalmeida617 Lalmeida617 is offline
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Join Date: Jul 2021
Cobra Make, Engine: Era #634
Posts: 23
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Default Hex Freeze Plugs

Hi guys I could use a little help with #634. It has 427 Cast iron side oiler. I have some noticeable leaking from several freeze plugs. They are hex screw in type. Do I need to drain the entire system to reseal them? Or can they just be unscrewed and resealed? Is there a certain sealer I should use? Should I buy new plugs or reuse the old ones? They don't look rusty. Any help and advise would be helpful.
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