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Charles Martineau
07-21-2006, 02:01 PM
Repair damaged #4 exhaust port AQ125B Salt water erosion of the head

El pescador
07-21-2006, 10:14 PM
Consider replacing the "marine" head for an automotive type from the local autowrecker after swapping the camshaft (the marine camshaft is different to the automotive). It will probably be cheaper in the long run than TIG welding and reshaping the corroded port.