All good thoughts to consider...
What about the bolts that get unscrewed/screwed in the course of regular maintenance? Could they be replaced with stainless equivalents? None of them have grade ratings, I assume.. Has anyone come up with a livable solution?
BE CAREFUL!! It's not just about dissimilar metals corrosion - SS bolts do not have the tensile strength of steel bolts - especially Grade 5 or higher steel bolts. Put a SS bolt in the wrong place, and you could have engine parts joining you in the cockpit!!