welding holes in my car

planemos

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Apr 22, 2011
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Slocan Park, BC, Canada
If you put a piece of aluminum behind the hole while you are welding it will help you fill the hole easier and it doesn't stick to the aluminum so it's easy to pull off after.
 

bioskyline

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Oct 21, 2010
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powell river bc
planemos;1791197 said:
If you put a piece of aluminum behind the hole while you are welding it will help you fill the hole easier and it doesn't stick to the aluminum so it's easy to pull off after.

wrap a section of the aluminum casue its gonna act as a heat sink and warm up with welding, you fingers will love you for it.
 

boostcraver

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Mar 13, 2010
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Louisville, KY
planemos;1791197 said:
If you put a piece of aluminum behind the hole ... and it doesn't stick to the aluminum so it's easy to pull off after.

^^Might want to add some anti spatter to the aluminum piece. Personal experience with aluminum as a backing plate is that it does stick, just not well. If you have access to it, a thick piece of brass or copper also works well.
 

#04

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Sep 7, 2009
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Cambridge
I thought the floor/inner fender wells were 18g and the body misc were 20...

anyways, thats what I used...