The link I mentioned for government auctions should have been:

govliquidation.com

Thanks for the tip on the copper welding spoon- I've used an punch but that sounds like it'll work better for filling the holes I used to pull panels out, and maybe the pin sized rust holes too.

'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi