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Old 06-22-2024, 01:13 PM   #1
Getter-Done
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Cleaning Valve Covers with Evapo-Rust

I am helping my Nephew get his 83 Chevy truck back in shape.
He inherited it for his Great Grandpa (Indirectly)

His Grandpa was using it as a farm truck and Grandma (The Inheritor of the truck) decided he needed that truck instead of selling it to someone outside the family.

I bought a Valve cover on the board here that has the (4X4) fill tube.
It was in Excellent condition.

So, we can't put one painted valve cover on and leave the other Ugly.

The passengers side valve cover was rusty.
Sandblasting is not something I will do to a engine part like this.

So, I turn to my favorite easy way to take care of this.

Evapo- Rust

Yes, there are other ways that are cheaper.
I have tinkered with other methods.
This is my favorite and is reusable if you contain it tactically.

Here is before and After pictures.

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Old 06-22-2024, 01:15 PM   #2
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Re: Cleaning Valve Covers with Evapo-Rust

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Old 06-22-2024, 01:15 PM   #3
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Re: Cleaning Valve Covers with Evapo-Rust

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Old 06-22-2024, 11:14 PM   #4
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Re: Cleaning Valve Covers with Evapo-Rust

They came out nice! I assume it's some kind of acid?

How do you neutralize it and prep the part for paint?
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Old 06-22-2024, 11:29 PM   #5
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Re: Cleaning Valve Covers with Evapo-Rust

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They came out nice! I assume it's some kind of acid?

How do you neutralize it and prep the part for paint?
Here is the website.

Link: https://www.evapo-rust.com/

It is not a toxic acid.
It is PH neutral.
It is safe and water soluble.

I rinse it with water then dry it with compressed air.
Then I sprayed it with WD-40.
I will prep it with brake cleaner before I paint it.
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Old 06-23-2024, 07:42 AM   #6
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Re: Cleaning Valve Covers with Evapo-Rust

I use Evapo-rust on a lot of parts.
I’ve used it for bolts, seat tracks and seat belts. I used to sandblast a lot of parts, but not anymore!
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Old 06-23-2024, 10:19 AM   #7
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Re: Cleaning Valve Covers with Evapo-Rust

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I use Evapo-rust on a lot of parts.
I’ve used it for bolts, seat tracks and seat belts. I used to sandblast a lot of parts, but not anymore!
I knew you were a fan of Evapo-rust also.
Those look great.
I follow you on FB also.
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Old 06-23-2024, 02:06 PM   #8
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Re: Cleaning Valve Covers with Evapo-Rust

If a friend had not turned me on to this stuff,
I’m not sure I would still be restoring parts. That sandblasting was getting a bit tiring.
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Old 06-24-2024, 11:20 PM   #9
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Re: Cleaning Valve Covers with Evapo-Rust

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Old 06-25-2024, 05:01 AM   #10
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Re: Cleaning Valve Covers with Evapo-Rust

Diluted concrete etch (phosphoric acid) is the way I go.
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Old 06-25-2024, 08:03 AM   #11
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Re: Cleaning Valve Covers with Evapo-Rust

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Looking good
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Old 06-25-2024, 11:53 AM   #12
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Re: Cleaning Valve Covers with Evapo-Rust

Dandy!
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Old 06-25-2024, 12:47 PM   #13
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Re: Cleaning Valve Covers with Evapo-Rust

White vinegar from the grocery store is cheaper and will do a good job of breaking down rust it just is smelly. I use white vinegar on rusty seat tracks and the rust just falls off after a day of soaking
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Old 06-25-2024, 04:18 PM   #14
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Smile Re: Cleaning Valve Covers with Evapo-Rust

i've used evaporust quite a lot and it work great BUT my dad tried cleaning a bunch of sockets that had been outside in a bucket that got rained on, he didn't notice that some of the old sockets had some old grease inside of them and it totally ruined a 5 gallon bucket of evaporust. never tried vinegar before but might try it next time since it is way cheaper.
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Old 06-25-2024, 07:58 PM   #15
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Re: Cleaning Valve Covers with Evapo-Rust

Couple of tablespoons of wash soda and a battery charger . Cost about 10 cents I’ve used both Evaporust and Rust911 both work very well
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Old 06-25-2024, 08:29 PM   #16
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Re: Cleaning Valve Covers with Evapo-Rust

Molasses works as well. Karo syrup for small amounts.
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Old 06-25-2024, 09:39 PM   #17
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Smile Re: Cleaning Valve Covers with Evapo-Rust

Quote:
Originally Posted by Steeveedee View Post
Molasses works as well. Karo syrup for small amounts.
i like both of these on pancakes or french toast, but never thought about using for rust removal.
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69 suburban K20-tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,4 inch all spring lift,4 speed, 14 bolt full floater, dana 44 HD,warn winch,posi front and rear,tow hooks,plus other goodies.
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Old 06-25-2024, 11:12 PM   #18
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Re: Cleaning Valve Covers with Evapo-Rust

Quote:
Originally Posted by franken View Post
Diluted concrete etch (phosphoric acid) is the way I go.
I have used this method for Lawnmower decks, and it works well

Quote:
Originally Posted by TKCR View Post
Looking good
Thanks I know his Grandpa will Approve.

Quote:
Originally Posted by Shifty One View Post
Dandy!
Thanks.

Quote:
Originally Posted by truckin 79 View Post
White vinegar from the grocery store is cheaper and will do a good job of breaking down rust it just is smelly. I use white vinegar on rusty seat tracks and the rust just falls off after a day of soaking
Quote:
Originally Posted by jerry moss View Post
i've used evaporust quite a lot and it work great BUT my dad tried cleaning a bunch of sockets that had been outside in a bucket that got rained on, he didn't notice that some of the old sockets had some old grease inside of them and it totally ruined a 5 gallon bucket of evaporust. never tried vinegar before but might try it next time since it is way cheaper.
Vinegar works also.
It is all about Containment .
They had a Surplus of Vineger at the DG 3 years ago and I bought a Lot.

Quote:
Originally Posted by 72c20customcamper View Post
Couple of tablespoons of wash soda and a battery charger . Cost about 10 cents I’ve used both Evaporust and Rust911 both work very well
I have used the Electric process.
I have not tried or heard of Rust911.
I will have to test that out.

Quote:
Originally Posted by Steeveedee View Post
Molasses works as well. Karo syrup for small amounts.
I have yet to try that.

Now I just need to find something that has Rust on it.
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