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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Aug 2004 Posts: 45 Junior Member | | Junior Member Joined: Aug 2004 Posts: 45 | I cleaned up one of my fenders on my 41 and I have a lot of pin holes where it rusted through. What is the best way to fix? I have a mig welder and can use that but at my lowest setting it normally burns thorugh and then I have to fix the newly created hole also. I know a tig welder would probably be better but I cannot afford one right now. Thanks in advance to any help. | | | | | Joined: Mar 2004 Posts: 734 Shop Shark | | Shop Shark Joined: Mar 2004 Posts: 734 | Are you using gas with your mig or flux core wire? I had a problem welding thin stuff when I was using flux core. After I switched over to gas and a thinner gauge wire, I could weld the thinner stuff. I still get burn thru every now and then but, it's operator error. Wrong angle and such.
Just as MetalMan said though, you've got make sure you get rid of all the corroded metal. Otherwise you'll be right back at sqaure one a year from now. | | | | | Joined: Jan 2001 Posts: 662 Shop Shark | | Shop Shark Joined: Jan 2001 Posts: 662 | A fellow bolter taught me to use a copper backup plate when welding up holes. Works great, keeps it from burning through. | | | | | Joined: Aug 2004 Posts: 45 Junior Member | | Junior Member Joined: Aug 2004 Posts: 45 | Thanks for the help. I do use a copper as a backing , but it is still takes a lot of time. I guess I will just have to take my time and do it right and not get an a hurry. | | | | | Joined: Apr 2002 Posts: 1,571 Shop Shark | | Shop Shark Joined: Apr 2002 Posts: 1,571 | Patience is a virtue when welding. Every time I have screwed something up, it has been due to rushing. | | |
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