Putting a better cowl on my 33 chev , was going to split them on the seam and weld them back together . How do you clean the lead from the metal to weld ? Or better to move South a little and cut and join away from the seam ??
Yup I have always just melted it out then maybe a light sanding by hand afterwards to keep the dust to a minimum.
In addition to what Tman said, heat it up and scrub with steel wool. It will still be shiny but you can weld it.
Yes, you will know if it not clean enough. We always spotted them back together like factory then leaded the seams back in.
There is always the possibility that the old seams may not fit back together like they did when new. Why not just make your own new seams in slightly different locations and then they will be exact matches and you don't have to try to weld where the lead is.
Remember to wear a respirator in case there is any residual lead. You don't want to breath in that crap, those fumes can be toxic.
Ifs it’s an overlap I will cut the out and weld in a new piece. Lead melts out easy. Well ventilated area, possibly a fan removing fumes. Don’t impregnate the wife or GF until a thorough shower.
I’ve also left em. The only 33 I helped build we melted the lead out, welded solid and used an All Metal type product. Never had an issue. A 33 mopar body I did, the lead seam was about 3/4 deep in lead. Removed the lead and welded in a new piece. Each car and joint presents its own set of variables.
Melt it out. sand, wire brush, sand blast , grinder , clean with an acid solvent . Clean man, it’s just gotta be clean. personally I would cut weld and finish an existing joint instead of making a new one, but what ever is easier in the long run I guess.
I am leaning toward splitting the seams and rejoining at the seams .I do have roof panels from 33 34s I have cut up in the past if that fails LOL
ok..which ever method...leave extra material and flange as much area as you can...then you can screw it together , checking for fit , door gap etc...
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