caliper brake piston rust prevention

["Paul Dorsey" <dorpaul@negia.net>]

Hey! Would it be a smart thing to apply POR-15 to only a small part of the
caliper brake PISTON'S (on only the inside of the cup-like bottom) as this
spot is so prone to rust but yet doesn't touch anything?

Is a 24-hour above 50 degrees for POR-15's drying ALWAYS imperative?

Thanks,
Paul Dorsey
60 TR3A


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