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Originally posted by MadDogMe
I've seen people recomend not using brass barbs as well, with a an 'all copper' system, not alu. I can understand the reasoning as there is corrosion on my brass barbs (black) in my 'all copper' system, but I thought it was general knowledge the header tanks at least are made from brass?...
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Brass actually is more corrosion resistant than Copper so I don't know what that is about.
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As to the copper rad from the dealer, it's diferent for sure but copper?. Dealers stock only original parts, Vendors use any pattern they can find that's cheap...
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Not for sure no, I said I doubted it was copper on the inside as per all the manufactures I can find all state they use brass. From what i can gather the same core manufactures make both the OEM and the retail cores and they are the same. But havn't been able to 100% garuntee it. I think it is a mute point anyway as copper or brass the temps should be unmeasurable by anythng other than a expensive thermometer.
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PS, Also please be careful when soldering heatercores, if their is water inside it will boil and produce steam pressure which can force pinholes in the molten solder!. This is more relevant when repair soldering the fins than when working on barbs but can still apply...
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That why I used water on the outside of it as well as on the inside. Good point though.