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Old 11-05-2011, 12:11 AM
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Join Date: Aug 2009
Location: Adelaide, SA
Cobra Make, Engine: AP 289FIA 'English' spec.
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Default Which one is the anode?

Quote:
Originally Posted by 289fia_cobra View Post
As for the electrolysis, I do have a zinc anode installed.
Depending on what alloy of aluminium the radiator is made from, the radiator could actually be the sacrificial anode instead of the zinc. Alum alloy and zinc are very close in potential difference. Can you connect a meter to the zinc and the aluminium alloy radiator, with the cooling system up to temp, engine running, and check which way the current is flowing? Magnesium for an anode would be better...
Cheers,
Glen
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