Thanks. I was actually planning to sand it anyway. I guess I was wondering if the Rustoleum might work like those rust converter coatings that claim to convert rust to paintable primer. As I think about it, probably not. I just hope the roll on rustoleum primer helps prevent the rust from coming back. I've got the left fender primered, as seen in the previous photo, next is the hood then the right fender. Then I'll work back to the doors and cab, then on back to the bed.

Thanks again. I can't wait to get this truck all one color, even if it is just a primer.