I have found more rust on my Thunderbird
. It is in a very hard place to get to. Right below the B pillar. It is a big solid patch of rust. I do not want to cut it but is there any other ways to kill or neutralize the rust? I can't get it with POR 15 or rust mort. The opening to this section is small. What should I do? But as a reminder i do not want to cut it unless there is no other way.

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