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Nunn CO | Hello all,
I just rebuilt a little 4 cylinder diesel and there is a copper nipple that stubs out the top of the radiator (brass) for a antifreeze return. Looks like the previous owner tried hillbilly patching it together. I also tried to take the wrong route and JB Weld it, however, it just didn't hold like I'd want.
So, any tips for attaching these two? I tried a brass stick dipped in flux and not only did it not work but I poked a second hole next to the main with to much heat. My next idea is acid core solder. However, I'm open to any and all suggestions.
Thanks
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 IMG_4312 (full).jpeg (122KB - 5 downloads)
IMG_4313 (full).jpeg (113KB - 5 downloads)
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Any tip on brazing/ sodering brass to copper?
