tig welding stock alum intake manifold

E

ERV JR

New Member
has anyone tried it ? I tried it with my extra in hopes of adding material to some areas to allow me to port it in the shape i had planned.
Well its some very poor material and pops more than anything cast I have ever welded . Its tiem to buya billiet
 
you might be able to tig it by pre heating it and using a lower amperage setting. You might be able get it to weld a little better with some preheating. best way to preheat aluminum is make a nice sooty acetylene flame and coat the part with soot, then make a neutral flame with a oxy torch and heat the part until the soot burns off. then the aluminum if preheated just about perfectly.
 
moonerdizzle said:
you might be able to tig it by pre heating it and using a lower amperage setting. You might be able get it to weld a little better with some preheating. best way to preheat aluminum is make a nice sooty acetylene flame and coat the part with soot, then make a neutral flame with a oxy torch and heat the part until the soot burns off. then the aluminum if preheated just about perfectly.
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it is only 3/132 to 1/8 thick ,there should be no reason to preheat. U should see what happens it doesent really pool just pops
 
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