I came across a product on the net called Por-15 they make rust inhibitors,cleaners ,primers,engine paint and puttys.Has anyone tried this stuff?sounds to good to be true.Im going to start rippin into this body work gig soon,I havent done it seriously for 20 years.Whats the latest on the (bondo filler)And how about some good primers to use.Im going to repaint it black a dark color primer would help. thanks Dan P.S. hope to meet some of you on the 6th in COLUMBUS