hello, got your request,what@where are the rust issues? por 15 is some very good stuff, they advertise paint right over rust, no thank you, clean everything before doing anything! got your friend request .being new to this site, i.dont know what this means but i do like the site lots,cool people my name is eric , i dont even know how to post photos good luck with duster, ive got my own rust twlight zone w/ my 68 dart, oh brother,let me know how it goes oh, also ,check marine sites ,where are you located? im in oregon.