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Old 04-21-2024, 05:36 PM   #7
tubman
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Location: Minnesota, Florida Keys
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Default Re: Iron vs. Aluminum 21 stud heads - which is better?

Quote:
Originally Posted by FlatheadTed View Post
I be leave new Aluminum heads are available in Australia ,I ditched my stock Al heads due to corrosion .Some anty freeze speeds up this when left in to long ,After welding and surfacing some years later remove them because of water in the oil most of the weld was eaten out .
I now run one cast dome and one flat top motor runs strong it was a experiment that i tend to do to see what happens ,The Edison effect i guess . Ted
This the result of "Galvanic Corrosion". A little knowledge of chemistry and some sacrificial magnesium anodes goes a long way to minimize this.
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