'73bird
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I saw on a Velocity tv show a guy was repairing those pesky holes in the body panels from old school dent repairs by brazing them. Is this better than mig or not?
Which is better
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soundhd
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If you have a section of any body panel that has rust holes I would replace the panel or the whole area that has the holes.......if you have holes in a certain area it is sure bet that the rest of that section of the panel (if not the whole panel) is also rusting very badly.
Lets Roll
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Heat is your enemy when it comes to sheet metal. I've seen people use lead but never seen people braze sheet metal. I would say mig.
'73bird
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Not rusted in that area it had holes put in it for a slide hammer to pull dents.
'73bird
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Isnt lead dangerous to heat up? How do they do that never seen it done.
Lets Roll
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The seams on old mopars are leaded. There are videos of putting lead on cars on youtube.
'73bird
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Ya in the 60s and 70s they did a lot of stuff that we have found dangerous today.
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Yeah, I did dangerous stuff back in the 60's & 70's myself..........
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But, actually brazing was common back then, even to replace qtr panels
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I've even filled holes using a Lincoln cracker box. Hey, I said cracker again!. The cracker box was turned down as far as it would go with an extra 50 foot of lead attached and a large wet sponge with a hole in the center was also involved. It worked too!! But I'm not going to say what I did with the wet sponge afterwards. 
These days I use a MIG to fill holes. I've watched people using lead and man, it's an art but you need good ventilation too. How bout people that used lacquer paint WITHOUT using a respirator or the right kind? Many of them died a long time ago. Btw, E bodies with vinyl tops got Bondo in the roof seams while cars without vinyl got lead. Don't know about the B cars though.....only had one with a vinyl top and didn't rip it off.
These days I use a MIG to fill holes. I've watched people using lead and man, it's an art but you need good ventilation too. How bout people that used lacquer paint WITHOUT using a respirator or the right kind? Many of them died a long time ago. Btw, E bodies with vinyl tops got Bondo in the roof seams while cars without vinyl got lead. Don't know about the B cars though.....only had one with a vinyl top and didn't rip it off.
Mike67
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George Barris was famous for leading his customs....no bondo back then...
Cornpatch MO
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Best hole trick I have seen is to take a nail, put the head of it in the hole, with the pointed end out , so you have something to hold on to. wire weld it into the hole. Snip off the pointed end and grind down flush. No globs of metal on the inside..............................MO
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Wire feed is going to be cooler for the sheet metal. Move around as not to concentrate too much heat in one spot. I've used a block of copper or brass behind the hole and tack the hole shut. The steel won't stick to the copper, so keep moving it from one hole to the next. When you get real good, you won't even need a block. Clean metal is the key...
'73bird
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How did you hold that copper/brass in place on a quarter panel?
'73bird
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Any particular type of nail? Do you hold the long end with pliers while welding?
Cornpatch MO
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I would not use a galvanized nail. Use a size that most nearly fits the hole size. The idea is to have less hole to fill in. Yes , the long end can be held in place with pliers, or use welding gloves . Once the nail is tacked into place, it is not necessary to hold onto the nail.............................................MO
'73bird
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Thanks
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