After carefully working the replacement Roof onto the backing metal pieces in all 4 pillars the roof sat down well. Welding commenced. I've got to say it went very well, to make sure the CO2 had not settled to the bottom of the cylinder I removed the cylinder from the welding machine and rolled it back and forth across my shop floor to thoroughly remix the Argon/CO2 blend before beginning to weld. I put a new unopened spool of .030 steel filler wire in the gun, cleaned the MIG gun Barrel, replaced the tip and just overall got it ready for work. Another "Picture Post" so you can see the progress. I used a Copper Shoe to fill the gaps with or Bump welded the gaps I couldn't get the copper behind.

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Now I can hang the rear passenger door on to line up the C Pillar.