I am with Ron(mummdogg) on the Zero-Rust stuff. I used the black Zero-Rust on my inside finders, bottom of my firewall, radiator panel and frame. I think it has a nice satin look. I coated the underside of my cab as well as all the places I cut out and repaired patch panels in the cab. I took a brush and just soaked it down into the inside cab corners. I brushed it on all the areas behind the rocker panels I had to replace. Now I just hope it really does keep the rust away. I myself am sort of scared of the POR 15. I read in a post where one of the guys got very sick after spraying that stuff.
