The Rust Project

Fiberglass, body panels, valences. Also interior pieces like seats, dashes, etc
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Yoshi
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Re: The Rust Project

Postby Yoshi » Mon Oct 28, 2013 9:13 pm

SO! A year has almost passed. I figured I should update this post. Much to my disbelief, rust has really started to appear in the last 2 months. Don't know why it took this long but here you go.

Here's our two controls. Right side is the factory coating and left was after I ground off that coating. Ironically, it seems the gum left from the sticker did the most rust protection. The galvanizing or whatever that came with it didn't seem to matter much.
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The right is the 3m undercoating. It's cracked a lot and has started to seep rust. I would have figured the under coating to be the best out of the bunch. Left side is the truck bed liner. I didn't expect a spray on liner to be this robust. I'm impressed. I THINK I see the start of a few rust spots. It could be dirt. We'll see.
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Here's what I found interesting. The right side is primer filler. Any imperfection has started to rust. Nothing major YET but you can tell it's there. I see MAYBE one spot on the primer sealer section. Proof you need to use sealer!
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This one is funny. The clear coat has done a pretty good job all around. You can see the part where I smudged with my thumb before hand. That seemed to surface rust really fast but then stop (lack of oxygen is my guess). Even the sharpied area is relatively rust free. WHY does this work? The white appliance epoxy is actually doing well. I think it's dirty. Can't tell if it's rusting underneath yet.
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Blue rustoleum enamel seems to be doing well too. The BBQ paint is not. It's starting to crack.
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The engine enamel is holding up quite well. So is the kyrlon yellow.
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The black paint on rustoleum doesn't seem so great. It isn't visibly rusting much but it feels quite thin and the edges are starting to rust. I is minorly chipping on the outsides. The rust bullet seems to be doing great. The only spots you see are where it's been sitting in the dirt. No visible rust at all there so far.
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Re: The Rust Project

Postby M20_fever » Mon Oct 28, 2013 10:05 pm

so far it looks like anything is better than nothing, lol. That undercoat is garbage, doesn't matter how much you use it always ends up like that in about a year. I've been using rustolium spray on for my trucks chassis and its doing really well so far.
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Re: The Rust Project

Postby Yoshi » Mon Oct 28, 2013 11:22 pm

the liner spray?
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Re: The Rust Project

Postby M20_fever » Tue Oct 29, 2013 1:16 am

no just regular rustolium. They make a cold galvanizing spray you can use as a base, then too with whatever you want but I havent used it myself. My neighbor restores vintage Ford trucks and loves it.
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Re: The Rust Project

Postby Yoshi » Tue Oct 29, 2013 12:04 pm

linky? Shoulda told me about it before I started!

I'm thinking of a basic primer, then sealer, then real coat on top. I think the flat surface makes it easier to stick though.
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Re: The Rust Project

Postby M20_fever » Tue Oct 29, 2013 4:18 pm

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Re: The Rust Project

Postby Yoshi » Tue Oct 29, 2013 4:20 pm

"93% pure zinc"

then it isn't pure zinc now is it? lol
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Re: The Rust Project

Postby Ryki » Tue Oct 29, 2013 6:33 pm

There are other products that are zinc based that work wonderfully for metal but the one Tony posted is my favorite. I can't get it here in Germany so I went with the German equivalent and I must say that it not only works well on normal metal but I tested it on some steelies and a spare bottle cap I had and it seems to be turning out well. I may paint my two sets of bottle caps and two sets of steelies with this and a basic clear coat and see how it turns out. I agree that something is better than nothing but it's interesting to see that you've kind of hit the peak with these products and we may get to see what does well from this point on.
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Re: The Rust Project

Postby Yoshi » Mon Dec 08, 2014 7:46 pm

I should update this. It's hilarious at this point.
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Re: The Rust Project

Postby 87e30 » Tue Dec 09, 2014 12:10 am

MOAR PIX0RZ!!!
Schwarz 5-speed 87 325is (newest project)
Arktisblau 5-speed 86 325e (current DD)
Schwarz 5-speed 87 325e (parts car/LS1 swap?)
Gazellenbeige automatic 85 318i (70,000 miles)
Alpine white 5-speed 87 325is (my first e30, possibly for sale)
99 Suburban
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Re: The Rust Project

Postby M20_fever » Tue Dec 09, 2014 5:35 pm

I tried something new on the chassis of my truck this year, should have taken pics. It's Rustolium Professional Grade in gallons, applied with an airless Wagner painter. Stuff goes on SUPER thick, used a gallon plus a pint for the entire underside of my truck, and I mean everything including the exhaust, inside the bed sides, fenders, suspension, everything. So far it still looks like new, we'll see how it holds up come spring.

edit:
Hard to tell in these pics, but you can kinda see how everything under the truck looks basically new.
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Re: The Rust Project

Postby Yoshi » Tue Dec 09, 2014 6:14 pm

even the exhaust?
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Re: The Rust Project

Postby Yoshi » Wed Dec 10, 2014 12:44 am

Update!


As you can probably see, the first two control areas are rusty rusty. I find it highly ironic that the original sticker has provided better rust protection than the coating that came on it originally.
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The picture doesn't do the 3M undercoating (right) justice. It's actually rusting pretty well underneath the pores that it created. I honestly would not recommend the product. The bed liner also has some minor rust but otherwise has held up well.
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The primer filler (right) is rusting anywhere the paint didn't dry 100% or anything with scratches. I do think I see some rust spots.
The sealer is similar but not as bad.
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The Clear coat has finally given way to rust spots. The appliance epoxy seems to still be solid. I'm honestly surprised since the label mentioned nothing about rust prevention.
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Rustoleum gloss enamel (right/blue) has held up well. I couldn't spot any rust. The bbq flat black on the other hand seems to be rusting pretty well.
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The engine enamel (right/orange-red) is fairing ok I think. No real rust that I can see but the color is probably also throwing things off. The "rust tough" spray paint also seems to be living up to its name. I can maybe only see one rust spot.
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The last two are the rustoleum in a can and rust bullet. The can rustoleum doesn't seem to be doing super great. Probably mid pack in this exercise. It's fairly thin so that makes sense. Do not recommend. But finally, the rust bullet is going like a champ. The bit you see in the picture is just the labeling duct tape.
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Re: The Rust Project

Postby 87e30 » Wed Dec 10, 2014 1:01 am

Happy birthday to the project btw. How many more years you gonna keep it going?
Schwarz 5-speed 87 325is (newest project)
Arktisblau 5-speed 86 325e (current DD)
Schwarz 5-speed 87 325e (parts car/LS1 swap?)
Gazellenbeige automatic 85 318i (70,000 miles)
Alpine white 5-speed 87 325is (my first e30, possibly for sale)
99 Suburban
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Re: The Rust Project

Postby M20_fever » Wed Dec 10, 2014 4:05 am

Yoshi wrote:even the exhaust?


yeah, all but the chrome tip.
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