[Vwdiesel] welding aluminum castings
scameron at compmore.net
Fri Nov 17 09:56:39 EST 2006
At 12:03 AM 17/11/2006 -0600, you wrote:
>I told you that you cannot weld aluminum with oil on one side. It has
>to be CLEAN, sheep dipped, dishwashered, whatever. on aluminum
>castings, oil seeps out of the pores in the metal, you have to bust your
>butt to get it clean enough to weld, then preheat with a tig to drive
>the remaining oil out, wire brush it with a stainless steel wire brush,
>and set about welding, then it STILL oozes out of the casting. I detest
>welding aluminum castings.
I clean as well as possible with brake cleaner, then B-J Weld. Fixed the oil
drain in an old honda 4banger, (plug took out the whole threaded boss with
it) and it went all the way to edmonton, and may still be running.
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