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  #1 (permalink)  
Old 12-30-2003, 07:53 AM
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Holey Fenders, Batman!

It is fairly mild out for winter at the moment so I got out to work on body parts on the 38. I welded in some new metal on the rear tail lights. (tear dropped shape ones) and then started on the fenders. I welded and I'd burn through, so I'd weld on another patch and it kept happening. Finally I stopped to look at my progress and found that I'd warped the panel. Yep. Got it too hot. Then I held the fender up to the sunlight and saw 30 or 40 small pin holes. I was a little dicouraged at the thinness of the metal so I got brave and cut it out. I have a new panel cut for it but am a little hesitant about trying to weld it back in. It has to look good and so far as you can see by the pic I'm not doing a very good job. I can weld floor pans and hide them. Body panels are going to be seen and need to look good. Here's the pic.
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Last edited by 38 special; 12-30-2003 at 08:00 AM.
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Old 12-30-2003, 08:47 AM
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You need turn the heat (voltage) down. It is hard to explain but you need to find that sweet spot in your welder. When set correctly the welding will have a sizzling/humming sound to it. Go slow and take your time. If you think that you'll "be ok" just welding a little more...you'll probably end up taking it to far and warping it again.
Little welds around the perimeter of the panel at first,let it cool, then go back and tack in more welds in between your previous welds...then after they cool, do it all over again until finally you have the metal welded in solid.
Later,
WEIMER
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Old 12-30-2003, 09:26 AM
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Got'cha! I'm on it! Thanks weimer. And for the help last night too.
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Old 12-30-2003, 03:41 PM
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Well, weimer, I got brave. Here is the result. Very little warpage but it sure takes a long time to do one whole. I grinded down the weld and also welded it on the back side (don't know if I needed to or not) It's still rough but I gues you have to use some bondo to smooth it out eventually? At least it stronger than it was before. I started welding on one of the front fenders. It has about three or four spots of rust to cut out and replace. The other front fender will be a nightmare. Lots of bad spots. That one will take me a 2 weeks to fix. Maybe I should take it to a repair shop.
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Old 12-30-2003, 05:08 PM
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Thumbs up the Dr. is in the house.

looks good. a little hammer and dolly work, a smidge of filler, and it'll be better than new.

whats this repair shop talk? did i see that right? not the Dr. Gross i know.....
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Old 12-30-2003, 05:36 PM
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burning holes

I want to share a tip with you guys that really works if you can get to the back side of the panel get ya a piece of copper or brass bar stock or flatten a piece of heavy copper tube and hold or clamp it on the back side of your weld it soaks up heat and makes it easy to fill in gaps the weld wont stick to the copper
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Old 12-30-2003, 09:33 PM
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Your right Larry. The winter weather must be getting to me. Let me at that fender!!!! Thanks CC1 I'll get some copper and try that ltttle trick.

Last edited by 38 special; 12-30-2003 at 09:41 PM.
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Old 12-30-2003, 09:39 PM
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Another little trick, is to have a wet cold rag handy. If you think its getting too hot, slap the wet rag on it, cools it quick.
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Old 12-30-2003, 09:42 PM
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Your right Ponch but I was under the impression it may cool it too quick. Either way the cooler temps here makes it cool fast also.
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Old 12-30-2003, 09:46 PM
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Actually, cooling it quickly can return it to its original shape.
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Old 12-30-2003, 09:56 PM
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Re: burning holes

Quote:
Originally posted by carcrazy1
Get to the back side of the panel get ya a piece of copper or brass bar stock or flatten a piece of heavy copper tube and hold or clamp it on the back side of your weld it soaks up heat and makes it easy to fill in gaps the weld wont stick to the copper
Good tip. It really works
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Old 12-30-2003, 10:34 PM
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38, First piece turned out well,
I'm waiting for the other pics to see all the inputs and tricks applied. I am planning on learning to weld this next year, put it off too long now. Book learning is good, but I need to get some practical time now.
Dutch
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Old 12-31-2003, 08:44 AM
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Well, Dutch. I don't have the book learning on welding. Just the school of trial and error (hard knocks) and whatever I've gleaned from weimers and trees help and others on here. It may not be pretty but I'm getting better all the time.
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Old 12-31-2003, 10:38 AM
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Quote:
Originally posted by 38 special
Well, Dutch. I don't have the book learning on welding. Just the school of trial and error (hard knocks) and whatever I've gleaned from weimers and trees help and others on here. It may not be pretty but I'm getting better all the time.
cliche'.....It's always ugliest just before the paint.
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Old 12-31-2003, 11:08 AM
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Good to hear it workin out 38. My biggest problem is getting too close and the sticks. . . stick. Do MIG's stick like stick welders? If not, I'm saving up for one tomorrow.


MoocH
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