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Constitutional Liberal
Join Date: Apr 2004
Location: Seasonal locations
Posts: 14,650
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What material are non turbo 911 heads made from
We are looking at welding some 3.0 and 3.2 heads and my welder needs to know the aluminum compound the heads are made of.
I did a search and came up empty. Thank you for your help.
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Jim “Rhetoric is no substitute for reality.” ― Thomas Sowell |
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07-14-2025, 04:22 PM
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Registered
Join Date: Mar 2019
Posts: 1,626
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"Y" alloy Look on the corner of the combustion chamber side of the head and there will be a spot where those who cast them imprinted the alloy.
https://en.wikipedia.org/wiki/Y_alloy 4043 would probably be your best bet for filler rod. |
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07-15-2025, 12:02 AM
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Constitutional Liberal
Join Date: Apr 2004
Location: Seasonal locations
Posts: 14,650
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Great, thank you.
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Jim “Rhetoric is no substitute for reality.” ― Thomas Sowell |
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07-15-2025, 05:41 AM
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Constitutional Liberal
Join Date: Apr 2004
Location: Seasonal locations
Posts: 14,650
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Quote:
An option might be cryo treatment.
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Jim “Rhetoric is no substitute for reality.” ― Thomas Sowell |
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07-15-2025, 05:55 AM
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