Originally Posted by cudak888
I would highly suggest sandblasting (it sounds as if the surface is rough to the point where beadblasting may not be sufficent) the frameset, and filling any damage in the frame with either silver solder (a more costly, labor-intensive route), or Bondo (cheap and effective, but it must be applied correctly with enough hardener).
-Kurt
Dunk it in a big tub of water and oxalic acid. I'm an oxalic acid acolyte now, having witnessed the magic myself.
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Lemond Zurich, Cinelli Hobootleg Geo, ICan gravel bike, Tifosi Rostra, Specialized vado turbo