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Intercooler welding

Old 04-30-2003, 04:32 PM
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Default Intercooler welding

Hey guys. I'm trying to do some work with a couple old intercoolers. I can't get them to weld decent no matter what I try. I washed em down with soap and water first.. then hit it with a stainless brush.. Then wiped it down with alcohol. Instead of making a puddle it gets kinda crusty then bubbles up and melts away. I have some new aluminum here and I can get a great bead on that. Can't get the two to weld together though.

Those of you who have modified your intercoolers do you have any suggestions? This stuff looks like absolute ----.. I won't put it on the car if I can't get it any better looking.
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Old 04-30-2003, 06:58 PM
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Default Re:Intercooler welding

Ok guys I kinda got it working. If you have any tips I will appreciate them
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Old 04-30-2003, 11:28 PM
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Default Re:Intercooler welding

practise man. go here. http://www.machinist.org/army_welding/toc.htm
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Old 04-30-2003, 11:35 PM
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Default Re:Intercooler welding

tig?
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Old 05-01-2003, 07:06 AM
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Default Re:Intercooler welding

yeah TIG.
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Old 05-01-2003, 03:02 PM
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Default Re:Intercooler welding

take a week long night course.
i bet that would help you alot
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Old 05-02-2003, 06:18 AM
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Default Re:Intercooler welding

I have been looking for some classes. I can't find anything like that. I found one the taught just TIG but it was 8 hrs a day for a week and cost $1600. I don't wanna use a weeks vacation to take a tig class. Plus I don't have that kind of money.
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Old 05-02-2003, 07:43 AM
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Default Re:Intercooler welding

Are you using proper operating temperature?
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Old 05-02-2003, 10:47 AM
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Default Re:Intercooler welding

mabey buy a book?
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Old 05-02-2003, 11:51 AM
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Default Re:Intercooler welding

I have a book and I weld pretty decent. the only time I have had any problems was with this old intercooler. new aluminum welds fine. I have it welding decent now.. I changed some things with my setup and its working alot better. I was hoping that someone on here had some experience with old intercoolers and could throw a couple hints myway.
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