i am wanting to paint my bumpers to match car. what primer to use on them? my top coat will be one stage modified acrylic enamel. thanks for your imput

Try this search. Gotta love the internet thing. I think it may catch on and stay around...hehehe

Google Search for Painting Chrome (http://www.google.com/search?hl=en&ie=UTF-8&oe=UTF-8&q=painting+over+chrome)