I have a question about quarter panel replacement and what to do with the sheet metal behind the quarter panels (C-pillar, window stiffener panels, etc). I have cut away the quarter panel and the sheet metal that stays with the car has a lot of surface rust. I am not having this car dipped so this rust will not be removed. So I am asking what other people do with their restoration projects with this area. Once the quarter is replaced, these areas cannot be seen.

Do you:
(1) do nothing
or
(2) POR 15 over the rust

This is m first project and I want to do the best job possible. I know getting it dipped will remove this, but I have read both plus's and minus's on dipping cars. Please answer in terms of NOT dipping the car. What do I do? Thanks in advanced for your comments.

I put rustmort on mine. Its as thin as water so it gets everywere. Don't know if thats the best stuff but has worked on other stuff i have done.

I thought about this also, I have a little rust where the window pan joins to the side but there is no rust anywhere else behind the quarter. I thought of removing the rust chemically and priming but that would mean sand blasting the rest of the area to get a good bond. I decided to por15.

Are there any other commets, especially from the experts that have done this before.

Thanks

I'm not an expert, but am running into this situation myself. There is alot of rust that cannot be seen and is not accessible unless you disassemble every pinch weld. What I am doing, and I hope it works, is to spray and soak the affected area with PPC Phix or POR Metal Ready. It is suppose to dissolve rust and leave a zinc phosphate coating. Then I rinse with water, let dry (a long time), then slop some POR-15 in there and let it run into the areas I can't reach. Hope this helps. Like I said, I'm no pro.

I just finished that part of the work and what we did was to hit as much of the area as possible with Naval Jelly. Wasn't a lot of rust in there, but my theory is that as long as you have access to an area, it's best to deal with it now and save the heartache later.

Anyway, we cleaned it up as best we could, rinsed it well, allowed it to dry for a few days, then put POR over it all. After that, I sprayed epoxy primer on top to further seal it all up...