Need help in refinishing doors

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dustermaniac

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So I got a pair of doors from a friend last year off of a 74 Dart Sport and they have been sitting under the carport for over a year. I have decided that I will need to change the passenger door on my Duster and have begun the process of getting the old paint off of the door and cleaning up the doors as much as I can to get it down to bare metal. I have got the front skin ground down to reveal a realatively clean door,:cheers: the lower lip of the door was very clean and only needed to be wire wheeled.

The skin of the door had about 1/4" thick bondo patch so I decided that I would sand away the old filler to see how bad the door was. After sanding for quite some time and then brushing away about two pounds of bondo dust, I have discovered that the door was not reallybad, don't know why the door was bondoed completely across the middle section of the door.All I could find was a 1" scrape (probably a shopping carriage dent)

What would be the best product to use on the lower edge of the door to prevent rust? and should I use a urethane primer when I get ready to prime the door? Im not really a body man and decided that I could do this myself based on looking at other members restoration work. I do not think I need to skim coat the door as the metal is very clean. I also do not think I would need to use any scratch filler type of putty on the door but I do not know. Come on guys, give me some suggestions as to how I should proceed on this. My worst fear is that if I do this wrong, then the door will start to bubble in a couple of years after I have it painted and re -striped. Thanks for any help in this matter.

I would have posted pictures but I am on the laptop.
 

You should get as much of the rust off as possible using a wire wheel and use some rust treatment that comes in a can that converts the rust.After that,make sure you use a "metal etch" primer on the bare metal before priming or an epoxy primer.The best primer to use is one that is catalyzed and uses a hardener.I bet that was fun taking all that bondo off,what a mess it makes!lol
 
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