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Old 05-24-2019, 10:02 PM   #1
Chris Haynes
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Default Finish for wheel cylinders

I am looking for a finish for wheel cylinders that brake fluid won't remove. I was thinking powder coating but I not sure if it is impervious to brake fluid or not. I am open to ideas. Perhaps Parkerizing or black oxide?
TIA
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Old 05-24-2019, 10:12 PM   #2
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Default Re: Finish for wheel cylinders

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I am looking for a finish for wheel cylinders that brake fluid won't remove. I was thinking powder coating but I not sure if it is impervious to brake fluid or not. I am open to ideas. Perhaps Parkerizing or black oxide?
TIA
Eastwood makes a nice brake parts paint that has held up well for me

JB
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Old 05-24-2019, 11:44 PM   #3
Bored&Stroked
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Default Re: Finish for wheel cylinders

I believe that powder coating would work - but ask a few vendors.
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Old 05-25-2019, 01:24 AM   #4
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Default Re: Finish for wheel cylinders

I had backing plates powder coated and the finish has so far resisted DOT 3. On a cautionary note the powder coating material flowed into a few of the bolt holes reducing them in size which had to be drilled out to accept the bolts. Could be a problem with the wheel cylinders.
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Old 05-25-2019, 06:15 AM   #5
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Default Re: Finish for wheel cylinders

Powder coasters have a variety of special elastic plugs available for blocking holes in parts that you don’t want the coating going into during the baking process. Obviously, the bolt holes and the cylinder bores would need to be plugged on a wheel cylinder. Naturally the pistons, cups, and boots would be removed first.
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Old 05-25-2019, 11:58 AM   #6
Flathead Fever
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Default Re: Finish for wheel cylinders

Years ago they powder coated all the rack heads and exposed pieces on the old-style in-ground Weaver hoists at work. We spilled every automotive chemical you can think on that powder paint and only one thing phased it, Carburetor cleaner. It took the powder paint off just like paint remover removes paint.
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Old 05-25-2019, 12:47 PM   #7
Chris Haynes
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Default Re: Finish for wheel cylinders

Thanks for the information.
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Old 05-25-2019, 03:20 PM   #8
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Default Re: Finish for wheel cylinders

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Originally Posted by Chris Haynes View Post
I am looking for a finish for wheel cylinders that brake fluid won't remove. I was thinking powder coating but I not sure if it is impervious to brake fluid or not. I am open to ideas. Perhaps Parkerizing or black oxide?
TIA
Either Parkerizing or black oxide will work fine.
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Old 05-25-2019, 07:09 PM   #9
Chris Haynes
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Default Re: Finish for wheel cylinders

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Either Parkerizing or black oxide will work fine.
I agree. However most of the shops around here that did it are long gone due to haz mat laws. Those that are left do bulk work and charge bulk prices.
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Old 05-26-2019, 08:50 AM   #10
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Default Re: Finish for wheel cylinders

I use this product on screws and nuts. It would work on wheel cyls too. I usually bead blast the part and it looks like parkerizing. comes out Matt black.

Part has to be clean. Wipe it on.

https://www.brownells.com/gunsmith-t...-prod1072.aspx

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Old 05-27-2019, 04:08 AM   #11
aussie merc
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Default Re: Finish for wheel cylinders

never even gave gun blue a thought but why not will keep it in mind
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Old 05-27-2019, 09:54 AM   #12
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Default Re: Finish for wheel cylinders

There is a guy tat advertises in Hemmings that presses in a brass sleeve into wheel cylinders.
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