Cleaning a filler neck

jobrated_man said

I have exactly the same problem that you just dealt with. Rust at the bottom of filler neck. concerned about the residue you mentioned, did it come out OK and leave good clean metal surface? Mine is 65 Valiant, - unable to find a repop, or a clean one at this point. would you still reccommend this method?

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Well soaking it was a pain, the rust at the bottom did get removed, however you need a long, firm bottle brush to get all the residue off, all the time hosing it with water. It did all finally get clean. There was a nice clean one on Ebay 2 weeks ago, for $1 and $15 shipping. Dont recall if anyone bought it.