When cleaning the corrosion, in addition to brushing it off, also pour a solution of baking soda and water. Might help delay future corrosion - the baking soda neutralizes the acid. (And it foams up REALLY COOL when it hits the corrosion!)
\'95 \'Burb 2500 4WD, 3\" exhaust, Eagle Alloys, Heath Balance Flow and 21\" 9 blade fan plus driver cooling mods, Heath PMD Isolater, plus ISSPRO Pyro and boost gauges waiting to be installed - 199K miles and counting - Towing Moosenstein - the locked and loaded trail Jeepster Commando.