I was given a nice old 10" cast iron skillet from the 1950's. Only problem is the former owner sprayed it with WD40 in his garage so she wouldn't rust. Any chance of bringing it back?
Ha - I was expecting a bunch of alarmist posts about "toxic" WD40 but I'm glad to see not. Nothing cooks like cast. Clean it and enjoy it. Whatever surface rust may be there will clean off. Oil mixes with oil and "light" hyrocarbons like a good rubbing alcohol (preferably 90%) will help remove any residue. So it can be made fully food safe.