this corrosion looks pretty bad. I'm thinking they need to be replaced with some S/S and anti-seize one at a time. Would it be easy to drill them out if I am unable to remove the bolts?
http://s622.photobucket.com/albums/tt310/fox16/?action=view¤t=CIMG2351.jpg
http://s622.photobucket.com/albums/tt310/fox16/?action=view¤t=CIMG2352.jpg
http://s622.photobucket.com/albums/tt310/fox16/?action=view¤t=CIMG2351.jpg
http://s622.photobucket.com/albums/tt310/fox16/?action=view¤t=CIMG2352.jpg