I am going over my 63, I have found some areas needing attention above the drivers side a few inches from the A pillar,, My plan is to cut out the bad metal fab and weld in a new patch panel, my question is with what do I seal and where is the water coming in from?

Thanks

I have a 55 second gen!,, work in progress
1963 long bed step side driver
Just a guy who digs old trucks!