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Go Back   SailNet Community > On Board > Gear & Maintenance > Engines > Gas > Atomic 4
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  #1  
Old 04-16-2007
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External Corrosion

I am getting some external corrosion around the water jacket cover and thermostat. I was talking tosomeone at the boat yard about it and he questioned me about changing the zincs. I was not aware of zincs on or in the motor. He showed me one that looked like a plug. Does the A4 have these?
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Old 04-20-2007
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cardiacpaul is a jewel in the rough cardiacpaul is a jewel in the rough cardiacpaul is a jewel in the rough
not that I know of, although there may be somewhere you could insert one, I'd be a bit leery of that given you'll also have to change them.
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Old 04-20-2007
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The zinc recommended by the salesman at the baotyard, showed a zinc with a plug threaded on the end. He said it would go in the exhaust manifold drain plug. The corrosion I am seeing is almost like electrolisis,kinda greenish/blue. Its not bad, themotor is clean, and has paint. I am thinking I'll just clean it off and repaint????
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Old 04-20-2007
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cardiacpaul is a jewel in the rough cardiacpaul is a jewel in the rough cardiacpaul is a jewel in the rough
you could always do both, plug in the zinc, wirebrush like a banshee and see what happens, eh?
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Old 04-21-2007
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Iam thinking that will be the best. The zinc can't hurt. Is it possible the motor isnot properly grounded?
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