Head gasket sealant
What's folks using for head gasket sealant? Never had any issues with leaking until recently. Had water in #2 and yesterday discovered #1 and #2 bubbling thru radiator. Same block and heads. Fixed water in cylinder, ran a couple races and now found bubbling. No water loss. Used shim gaskets with spray copper coat. Have been using it for years. Same process, clean surfaces, spray copper coat, torque accordingly. Has anyone had issues with copper coat?
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