Mmmmm, that's the trouble with bead blasting IMHO. Now they've been opened up, I don't know: would lead filling/loading be a possibility? I can't think that anything other than replacing metal with metal would be the answer. I'm sure there are more qualified people out there than me to answer
Hi everyone i was wondering if anyone has any ideas how to fix holes along the guttering on a fastback if filled then the rust is going to come back and if welded its more than lightly warp the roof any suggesting most welcome Thanks mike ..oh its not my car its my mates he,s just had bead blasted and discovered these holes.