clean em up with some metal polish and apply some 20/50 oil with a brush....if they are stayin outside til y'all can take em up there, the oil will 'skin' with dirt nstuff but it keep the water offa them... i used to brush oil on my chromework in the winter when i lived in an area with a shitty climate... it always worked sweet...and when ya need to clean it off,use some solvent or gas and itll come clean off