Re: 1975 True North 360
After electrolysis, rinse very good with clean warm water, and afterwards with some acetone, and fill her up with gasoline as quick as possible or it wil start rusting at high speed....
If it's only some surface rust I wouldn't even bother, just fill it up with gasoline, and put a small fuel filter inline, and clean it at a regular base. (there's also a small filter screen in the fuel petcock as well...)