I would sand blast the area real well. then use metal conditioner
(phosphoric acid), prime, and fill and spaces with seam sealer, reprime and
then final coat.

"george taylor" > wrote in message
...
>I am starting restoring my 70 bug. The question is there is some rust ,
>mostly surface, on the rain gutter. the body shop that painted it the first
>time did not pain the car correctly so the rust has blistered the pain and
>was wondering how I should go at the rust? I do know that there is some
>under the pinch weld (between the side panel and the roof pane) but how
>should I get rid of it? I really do not want to have to cut off the rain
>gutter and weld in a new one if I can avoid it.
> George
>