Re: Aluminum case welding procedure

mattology - /
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I weld pistons, cylinders, intercooler pipes, cases, whatever with 4043. you'll do fine.

the key is exactly like sean said. heat it up with map gas, or put it in the oven, or whatever, to boil all the oil and grime out of it. otherwise you will never get it to pool properly because the ac will want to clean the material first before beginning a puddle.

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