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Old 03-11-2015, 10:33 PM   #111
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Agreed. Por15 has a version that has a high level of zinc in the same container. I used it on a couple of old vehicles. Good stuff. When I remove the bump strip, I'll take care of the rust with it before painting.

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Originally Posted by roach711 View Post
Ospho is just phosphoric acid. Just about all paint shops have their own version. The phosphoric acid turns iron oxide into iron phosphate which is very stable and happens to be a great base for painting. It also appears to lightly etch clean metal which gives paint a better "bite."

Scrape/brush off any loose rust
Apply the acid and let it work over night
brush off any white powder that may have formed
Prime & paint, preferably with oil based paints
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Old 03-12-2015, 06:06 AM   #112
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Por15 is good stuff just way overpriced.
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Old 03-12-2015, 11:27 AM   #113
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One more option...
I have been using an industrial product called "Restore" to convert & stabilize oxidation on my work for about ten years now with outstanding results. To my knowledge, it is the only thing in the "rust converter" category that is rated as a final finish (does not require painting over to get the benefits). It is a tannic acid based mixture that transforms the surface oxides into a tough, stable, organic compound but also contains a polymer that rises to the surface during curing and leaves a very durable finish. I tested it for about four years trying to force the steel rebar I use to rust and couldn't. I am coating just about every metal surface on my '46 with it. You can brush, roll or spray it on. I use a little $20 buck siphon sprayer for most work as it handles viscous materials very well. Stuff runs about $18 bucks a quart but as noted, it is a one-and-done process and way cheaper than the multi-stage POR routine. You can still paint over it if you want, but don't have to.

And no...I don't own stock in the company (or any other company for that matter). Just wanted to pass along something that has worked very well for me.
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Old 03-12-2015, 04:54 PM   #114
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Eastwood Co used to sell stuff called "corroless" that I used on my vw bug nearly twenty years ago. it has held up extremely well. At least as well as por15 or better and it was a ton cheaper. They are now selling por15 there so I wonder what happened to the Corroless stuff.
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Old 03-26-2015, 10:23 PM   #115
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Hello Everyone!
I know I've fallen off the face of the earth for a while now, unfortunately bills don't pay themselves. I think many here will understand ;)

I've finally bought and applied some ospho, but I don't think it rendered the desired results. Maybe i didn't apply it correctly? I just sprayed it on the scraped rusty area.

Now I'm at a crossroad: start to do little body work myself that will last maybe a year, or spend $$$ to have it done professionally, and be good for longer.
I think I'll go with the former, and maybe do major body work later, when hopefully there's more $$$ avail. !

So far, little progress. And I have to say, I might be giving in to the idea not to remove the inner layer, just to have the rv ready by the end of the summer, at least. I know it's a big no-no here, but I think I bit more than what I can proverbially chew......
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Old 03-26-2015, 11:21 PM   #116
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That's why I never turn down free help.

I know how it goes with needing to pay bills and the project being a big one!
Glad to see you on here again, I was wondering where you went!
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Old 03-27-2015, 06:05 AM   #117
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Hey CB!
Oh yeah, I'm still here....thinking of the most economical and safe way to finish this ;)

I do want to finish coating the outside with primer before rain season starts......plus I'll get an rv cover
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Old 03-27-2015, 06:05 AM   #118
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HF here I come for a paint buffer/scraper.....
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Old 03-28-2015, 08:19 PM   #119
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If you are in FL or the same kind of weather, an rv cover is not as great as it sounds. I know they become a humidity chamber, love nest for rodents and hide what is really going on until you remove it later and find more work due to the rodents, spiders and accumulated rust from the humidity. That moisture chamber also causes mold and mildew that will ruin upholstery.
I'm just saying a word of caution because I know what it did to my MGB in 2 months and I had a lot of work to do before I could drive it again and the mice had eaten all the carpet glue and dragged shredded plastic and paper in to build their nest. They also chewed thru some wire insulation. Fun stuff.
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Old 03-28-2015, 08:30 PM   #120
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Quote:
Originally Posted by HolyBus View Post
If you are in FL or the same kind of weather, an rv cover is not as great as it sounds. I know they become a humidity chamber, love nest for rodents and hide what is really going on until you remove it later and find more work due to the rodents, spiders and accumulated rust from the humidity. That moisture chamber also causes mold and mildew that will ruin upholstery.
I'm just saying a word of caution because I know what it did to my MGB in 2 months and I had a lot of work to do before I could drive it again and the mice had eaten all the carpet glue and dragged shredded plastic and paper in to build their nest. They also chewed thru some wire insulation. Fun stuff.
O.O
Any suggestion as an extra weather protection, other than a car port?
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