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2 Step Rust Remediation?

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Old Mar 27, 2018 | 01:08 PM
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Default 2 Step Rust Remediation?

I'm curious whether there are any cheapish aerosol solutions for rust remediation that work with a single application (a decent primer / top coat / rust-inhibitor in one product).


I'm hoping that I can just use a die grinder wire brush and remove the majority of the rust and then find a good aerosol product that doesn't completely break the bank that can do basic rust treatment/inhibition and top coat in one go.

OR I'd be willing to do 2 coats after abrasive/physical removal-
1. Rust Treatment+Inhibitor Primer Layer
2. Top coat



The Eastwood system looks great, but super expensive and 3 step is just too much labor.


Adam
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Old Mar 27, 2018 | 01:27 PM
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The simple version of the question is:

Does anyone have any rest treatment+prevention solutions that they really like?
(Easy / Quick application that doesn't require a paint sprayer and that doesn't break the bank.)


Adam
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Old Mar 27, 2018 | 03:19 PM
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Look at por-15 Relatively cheap at 30 bucks to be brushed on. Read up on it. Napa etc sell
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Old Mar 27, 2018 | 04:05 PM
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Well if I'm limited to a "2 Step Rust Remediation" I would do something like this;

Step 1 remove rusted part
Step 2 replace with new non rusted part
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Old Mar 27, 2018 | 04:28 PM
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Originally Posted by Mr D.
Well if I'm limited to a "2 Step Rust Remediation" I would do something like this;

Step 1 remove rusted part
Step 2 replace with new non rusted part
HA! I appreciate the humor.

If 2 step is too much, what are good 3 step options? (A 4 step option isn't gonna happen...)


Adam
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Old Mar 27, 2018 | 04:52 PM
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Depending on the type of rust you might take a look at Eastwood’s products - I like their Rust Encapsulator for minor stuff and Rust Converter for major stuff. It’s super easy to brush or spray on the Rust Encapsulator.
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Old Mar 27, 2018 | 05:57 PM
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What are trying to derust?

If its parts then try 'Evapo Rust'. Parts need to soak and it takes about 24 hours
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Old Mar 27, 2018 | 07:15 PM
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I just did the rear half of my frame. I wire wheeled as much of the rust off as I could. Then I sprayed it with Rustoleum flat black rust converter. I then cleaned the inside of the frame as best I could and bought a garden sprayer and bought a quart of Rustoleum thinned it with acetone and then sprayed the inside of the frame until it ran out the holes in the frame. I got it the best I could.
I then put a thick coat of primer on the frame and then sanded with 220 to get rid of as many imperfections as I could recoated with primer then sprayed it with Krylon semi flat black. It came out pretty nice.
The frame is pretty solid with just some small rust thru holes in where the trailing arms went. I welded those up and ground them down and they came out great. Brushed epoxy in those areas and then Krylon.
I don't like Por 15.
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Old Mar 27, 2018 | 07:35 PM
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Originally Posted by jim2527
What are trying to derust?

If its parts then try 'Evapo Rust'. Parts need to soak and it takes about 24 hours
Good tip! I'll look into it. The little parts are definitely the most annoying.

Example: I wanted to replace the rusty muffler hanger screws; we've got a GREAT local hardware store chain called McLendons, and although they have a bunch of GM automotive screws, they did not have anything in the right size that also had the right threads. Wire brushing a bunch of small parts is crazy annoying.


Adam
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Old Mar 27, 2018 | 07:35 PM
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The Eastwood products look pretty interesting to me. They have a por 15 alternative and something that sprays inside the frame.
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Old Mar 27, 2018 | 07:45 PM
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Originally Posted by 540 vette
I just did the rear half of my frame. I wire wheeled as much of the rust off as I could. Then I sprayed it with Rustoleum flat black rust converter. I then cleaned the inside of the frame as best I could and bought a garden sprayer and bought a quart of Rustoleum thinned it with acetone and then sprayed the inside of the frame until it ran out the holes in the frame. I got it the best I could.
I then put a thick coat of primer on the frame and then sanded with 220 to get rid of as many imperfections as I could recoated with primer then sprayed it with Krylon semi flat black. It came out pretty nice.
The frame is pretty solid with just some small rust thru holes in where the trailing arms went. I welded those up and ground them down and they came out great. Brushed epoxy in those areas and then Krylon.
I don't like Por 15.

That's EXACTLY what I did for everything from the radiator forward: wire brush (powered), rustoleum rust converter, then Krylon or Rustoleum Semi-Flat black. I'm just trying to see if there's anything better.


I've been getting to know the Eastwood product line but it's HUGE and overwhelming and their instructions involve 35 steps and 14 different Eastwood rust-related products being required.



I still like the idea of powered wire brush, then you're supposed to have to clean off all the rust dust before using a rust converter, then the rust converter.



I'm now looking to attack everything from the differential back while I have the gas tank and rear spring out.


-I'm a bit confused at the difference between a Rust Encapsulator vs. a Rust Converter, though...



Here's my plan, please critique:
1. Wire brush everything I can touch
2. Clean
3. Rust Converter Spray Cans ($14 a can- I'm going to pickup 3)
4. For inside the frame, these magic guys ($20 / can hopefully only need 2 for the diff and back) https://www.eastwood.com/eastwood-in...z-aerosol.html -black version
5. Semi-gloss top coat


Eastwood tank paint for the tank.



Yea, that escalated quickly... @#%@#% Corvettes!


Adam
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Old Mar 27, 2018 | 07:47 PM
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Originally Posted by Hayes69

The Eastwood products look pretty interesting to me. They have a por 15 alternative and something that sprays inside the frame.
They just have too many products, and too many required steps and confusion on when you need each one.

The internal frame stuff is awesome, though. I like the idea of getting in there and getting all that crud out.



Adam
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Old Mar 27, 2018 | 10:27 PM
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Originally Posted by 540 vette
I don't like Por 15.
Why do you not like Por 15? Not trying to argue for it, just interested.
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Old Mar 27, 2018 | 10:35 PM
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Originally Posted by NewbVetteGuy
Wire brushing a bunch of small parts is crazy annoying.
I think you own the wrong generation of Corvette.

I've worn out multiple brass wire wheels. The wires break off and fling all over the garage. I find them when I'm crawling around under the car...usually when they poke through my clothes and embed themselves in my skin.
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Old Mar 28, 2018 | 01:38 AM
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Originally Posted by 540 vette
I don't like Por 15.
Originally Posted by M Pete
Why do you not like Por 15? Not trying to argue for it, just interested.
I'm curious as well.
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Old Mar 28, 2018 | 04:35 AM
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Hi,
P O R stands for... "Paint Over Rust".
It was developed to be put on rusty parts... with only the BIG loose rust flakes removed first.

I think it's better to remove ALL the rust and then coat the part in what ever finish you'd like.

Regards,
Alan
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Old Mar 28, 2018 | 06:06 AM
  #17  
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Here is what I used on the rear frame.....



Brian
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Old Mar 28, 2018 | 07:12 AM
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I usually spray rusty parts with phosphoric acid in a spray bottle. Turns the rust into black oxide. After it dries, spray with VHT chassis black.
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Old Mar 28, 2018 | 08:52 AM
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Did mine from back to front ! First step , remove rust !






Second step , spray with Ospho ! Same stuff Chapter 2 was talking about !
Let dry , prime and paint !

Everything was sandblasted! Calipers are new ! Rotors were bead blasted !

It's a slow process but worth it for me !

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Old Mar 28, 2018 | 10:51 AM
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When it comes right down to it rust can never be stopped IMO. You can clean it up and make it look pretty but at some point it will come back. The metals used have impurities in them and once contaminated will always revert to rust. That's not to say that sandblasting, cleaning well with a chemical and coats of a paint or converter will not ensure it looks nice for years. So ultimately whichever product you use in lets say 7-10 years you will be doing it over or another spot. You have to remember we are talking about 50 year old cars with bottoms that are subject to all kinds of crap!
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