Check your library. I like the old Readers Digest Car Care Manual, it has a nice section.

Bradley Flubacher <flub@ADELPHIA.NET> wrote:I'm beginning a reasonable sized project of removing some rust from my
'82 transporter. Can someone point me to a good how-to? So far I've
used a wire brush with a drill to remove all the rust. I've ground down
to bare metal. I applied some naval-jelly brand "rust extend" which
should turn any remaining rust to a paintable surface. I'll likely brush
it again and apply a better product, I just didn't want to leave the
metal exposed and untreated.

Brad

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