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Old 02-09-2021, 04:50 PM   #1
jerbo
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Default How to clean our inside cast sediment bowl?

Does anyone have a way to clean out the old rust from inside the cast iron sediment bowl without damage to the surfaces where the screen slips over?
Thanks for looking, Jerbo
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Old 02-09-2021, 05:35 PM   #2
alexiskai
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Default Re: How to clean our inside cast sediment bowl?

Would Evaporust work?
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Old 02-09-2021, 05:43 PM   #3
Bob C
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Default Re: How to clean our inside cast sediment bowl?

I use Rust 911, comes out looking like new. If it's really bad it
may take a couple of soakings. I bought a pyrex bowl and a desktop
coffee cup warmer for use in the winter as the solution doesn't work very well in cold weather.
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Old 02-09-2021, 06:06 PM   #4
Steve Plucker
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Default Re: How to clean our inside cast sediment bowl?

Also bead blast or sand blast the inside.

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Old 02-09-2021, 06:42 PM   #5
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Default Re: How to clean our inside cast sediment bowl?

Can ya get 00 steel wool in there? I know it sounds like work, and odd, but sometimes those old ways are best. Of course get all the strands out when done. I've seen my grandad clean up wheel cylinders with steel wool before putting a kit in them before.
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Old 02-09-2021, 06:51 PM   #6
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Default Re: How to clean our inside cast sediment bowl?

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Sounds like a candidate for the molasses solution.

Mix 3 parts water to 1 part molasses, submerge the part. If it's not too bad an overnight soak may be enough, if it's real bad it can take days. Rinse off with water and dry or it will rust again in short order.

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Old 02-09-2021, 09:54 PM   #7
Dan Partain
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Default Re: How to clean our inside cast sediment bowl?

To clean part of it, check out this video.
https://www.youtube.com/watch?v=M9ECeK_xf1c
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Old 02-09-2021, 09:58 PM   #8
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Default Re: How to clean our inside cast sediment bowl?

Buy 5 gallons of evaporust. You can use it for this and many more things.
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Old 02-09-2021, 10:52 PM   #9
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Default Re: How to clean our inside cast sediment bowl?

Quote:
Originally Posted by Bob C View Post
I use Rust 911, comes out looking like new. If it's really bad it
may take a couple of soakings. I bought a pyrex bowl and a desktop
coffee cup warmer for use in the winter as the solution doesn't work very well in cold weather.
X2,

You can also use Evaporust but Rust 911 is a lot more economical.

I do not recommend sand or bead blasting. It is just about impossible to get all the sand or beads cleaned out.

My experience and my opinion.

Chris W.

Last edited by CWPASADENA; 02-09-2021 at 10:55 PM. Reason: TYPO
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Old 02-10-2021, 01:04 PM   #10
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Default Re: How to clean our inside cast sediment bowl?

Quote:
Originally Posted by jerbo View Post
Does anyone have a way to clean out the old rust from inside the cast iron sediment bowl without damage to the surfaces where the screen slips over?
Thanks for looking, Jerbo
Sodium hydroxide, aka lye.
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Old 02-10-2021, 01:08 PM   #11
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Default Re: How to clean our inside cast sediment bowl?

Evaporust.
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Old 02-11-2021, 02:17 PM   #12
mass A man
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Default Re: How to clean our inside cast sediment bowl?

Please only use a chemical rust remover! The inside of that cast bulb is a rough sand casting with a small seam,nearly impossible to ever get any sand out. It will wash through to your carb jets eventually.
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Old 02-11-2021, 02:27 PM   #13
McMimmcs
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Default Re: How to clean our inside cast sediment bowl?

Quote:
Originally Posted by Steve Plucker View Post
Also bead blast or sand blast the inside.

Pluck
Many people believe as do I that sand blasting is not a good idea because it is very difficult to get all the sand particles out.
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Old 02-11-2021, 03:05 PM   #14
1928Mik
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Default Re: How to clean our inside cast sediment bowl?

I take my carb off at least twice a year and spray it out along with the cast sediment bowl and screen using Valvoline Carb & Throttle Body Cleaner. Works great for me!
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Old 02-11-2021, 04:44 PM   #15
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Default Re: How to clean our inside cast sediment bowl?

Jerbo - Here's another vote for EvapoRust, I love the stuff. In my experience it takes longer than the label suggests, it's not at all unusual for me to leave things soaking overnight for heavy rust. Also, every couple of hours I take a toothbrush and scrub off what has already converted so that fresh rust (is that an oxymoron?) is exposed to the chemical. (For those wise-guys out there, no I don't get up in the middle of the night to do this!)

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Old 02-12-2021, 10:36 AM   #16
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Default Re: How to clean our inside cast sediment bowl?

Molasses and water mixture also works for rust removal.
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Old 02-12-2021, 08:38 PM   #17
henry's 31
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Default Re: How to clean our inside cast sediment bowl?

I echo what Bob C states, Rust 911 does an incredible job removing rust from anything including gas tanks and radiators.
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Old 02-13-2021, 11:43 PM   #18
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Default Re: How to clean our inside cast sediment bowl?

I purchased a can of carb dip to clean out my Tillotson and a Rochester For a different project. When I was done I gave the sediment bowl a dip for a night. Rinsed it out used lots of air pressure to blow it out, had to repaint after the dip, no biggie tho.
No problems so far Iím a couples tank of gas in now!
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