68 mustang

[captianron01]

I am trying to wire weild a rear skin on mustang fastback,after i get lined up and held in place should i just spot weld every so often and thin go back and weld a solid line this is about three feet or longer, even on low heat won't this warp metal?I thought about bending dog legs on both peaces thin spot welding every two inches thin bondo seam.Or is it better to but panels together? I saw pictures of a complete roof fastback on a 66 they welded on and it looked like they used some kind of putty in the seam and spot welded it together any ideas as to what the putty might be ?thanks

[69Stang]

I am trying to wire weild a rear skin on mustang fastback,after i get lined up and held in place should i just spot weld every so often and thin go back and weld a solid line this is about three feet or longer, even on low heat won't this warp metal?I thought about bending dog legs on both peaces thin spot welding every two inches thin bondo seam.Or is it better to but panels together? I saw pictures of a complete roof fastback on a 66 they welded on and it looked like they used some kind of putty in the seam and spot welded it together any ideas as to what the putty might be ?thanks

I am not an expert but have done some work like what you are doing on my 69 mustang. After doing research what I found was to first spot weld it into place. Start in the middle and work your way outwards spot welding every few inches. Make sure the pannel stays cool. I did about 2 on each side of the start spot and then waited a few minutes and repeated. Once the whole pannel was done, I repeated the same process spot welding between the first round. Keep this up untill there is about 1inch or less between spots all the way. I then ran the beads between the spots makeing sure they cooled off completely before doing another bead near it. So it comes down to spot weld till there are max of 1in apart then run beads. Once done grind the welds down, smooth them up by hand with a file and you are done.