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Old 03-30-2016, 12:22 PM   #1
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Default Rust Prevention

Good topic over on the Roadtrek Yahoo Group: https://groups.yahoo.com/neo/groups/...essages/109862

We've talked about it here also:
http://www.classbforum.com/forums/f5...html#post13065

http://www.classbforum.com/forums/f8...html#post17281

Peter on the Yahoo Group shared this link:

http://cradpdf.drdc-rddc.gc.ca/PDFS/unc53/p526285.pdf

It's a Review of Corrosion Control Programs by Defence Research and
Development Canada.

I'm already a fan of and a user of these type of thin coating products but hadn't heard of the Formula 3000 product. It was interesting to read this in the report:

Quote:
In more severe environments, the choice of CPC is important. of the CPCs tested, Corrosion Free, Formula 3000 showed the most corrosion
inhibition.
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Old 03-30-2016, 02:39 PM   #2
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That has been a very good discussion, especially for the older Dodge owners. They love their Dodges and want to keep them forever, but they do seem to have more common, and severe, rust issues than other brands.

I hadn't heard of the Formula 3000 either, but they even have some US dealers, and sell bulk for DIY, including sprayers with wands. I have been using LPS2 for internal areas and LPS3 for external areas on the old Buick, but may order a gallon of the Formula 3000 to try, as it is the same or cheaper than the LPS. We would go near the dealer in Thunder Bay or Iowa/Illinois border in our travels also, so maybe a good place to get the van shot.

http://www.corrosionfree.com/home.html
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Old 03-30-2016, 02:53 PM   #3
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I ordered a gallon this morning

I have a basic pick-up tube type undercoating gun that should be OK. I've wanted to DIY this for a while now but didn't want to have or deal with (at home) the dripping & mess usually associated with these products.

I should be able to make a flexible wand for applying this stuff inside door panels etc.



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Old 03-30-2016, 03:14 PM   #4
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Quote:
Originally Posted by markopolo View Post
I ordered a gallon this morning

I have a basic pick-up tube type undercoating gun that should be OK. I've wanted to DIY this for a while now but didn't want to have or deal with (at home) the dripping & mess usually associated with these products.

I should be able to make a flexible wand for applying this stuff inside door panels etc.
Without a hoist, the DIY is a PITA for sure, as you are on your back trying to do it. Be prepared to get dripped on--a bunch---as it seems to be impossible to just go end to end while staying clear of drips.

I had a cheapo airless sprayer I tried, but it atomized too much. It will be interesting to see how the undercoating gun does, as they are usually for pretty thick materials, and may just spit a stream. I finally wound up using a regular WD40 type trigger sprayer for the Buick. Works very well on the exposed areas, as you can put on a correct thickness amount pretty easily. Tough to get much into the internals of doors or frame areas though. I did get a cheapo garden sprayer that has a nice wand on it, which I haven't had a chance to try yet, so I hope that works better for getting into things.

One suggestion--Get some 8' wide heavy mil plastic sheet and roll it first. Drive onto it and then jack it up and put the stands on the plastic. Having the stands holding the plastic will keep it from bunching and sliding around like it does if you put the vehicle on stands first.
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Old 03-30-2016, 04:26 PM   #5
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Maybe I should first try spraying water with the undercoating gun. It has an engine cleaner nozzle and an undercoating nozzle.
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Old 03-30-2016, 04:59 PM   #6
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Quote:
Originally Posted by markopolo View Post
Maybe I should first try spraying water with the undercoating gun. It has an engine cleaner nozzle and an undercoating nozzle.
That is probably a good idea. What I found is that it is way, way, easier to get to much put on, than to little. Surprisingly to me, on a flat metal surface like the frame, the trigger sprayer set to "spray" and fairly quick sweep was close the the ideal amount. On "stream", it was way too much.

Inside the frame, with a 360 degree nozzle, I would think the heavy spray would be needed because you want it to run into all the low spots, but on the outside it takes much less because you can see the coverage. A heavy misting nozzle might even be the best inside the cavities like frames and doors.
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Old 03-30-2016, 08:12 PM   #7
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I did the water test.

The undercoating nozzle would be suitable if spraying the side of a barn

The engine cleaner nozzle wasn't too bad. It would be OK for large areas and fast application. I'll have to see how it works with the Formula 3000 product. I might have better equipment by then.
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Old 03-30-2016, 08:24 PM   #8
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Quote:
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I might have better equipment by then.
Whatcha gettin?
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Old 03-30-2016, 10:24 PM   #9
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Just another economy rust proofing spray gun with two hoses. https://outilsquebec.com/index.php?i...duct&id_lang=1
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Old 03-31-2016, 08:41 PM   #10
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The video shows what looks like a paint sprayer. How about a cheap Harbor Freight HVLP gun?
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