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12-05-2021, 11:46 AM | #1 |
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Join Date: May 2010
Location: Encino California, near Burbank
Posts: 935
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Brake Drum Rust Protection?
Just bought some new iron drums. Still in the back of my car, they are starting to flash some rust. Not to the question, why are the Drum/hub so damn heavy? Back to the rusting, what can I do to slow the rust until I can paint or should they be painted immediately. Original drums are noticeably lighter. Never heard of unsprung weight in China? Even worse, they say USA. Thanks: Fred A
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12-05-2021, 12:10 PM | #2 |
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Join Date: May 2010
Location: Wisconsin, USA
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Re: Brake Drum Rust Protection?
why are the Drum/hub so damn heavy? You're weak.
what can I do to slow the rust until I can paint or should they be painted immediately. If they have already flashed, you'll need to remove that prior to painting. So, methinks it won't hurt if they flash more until you can properly prepare them for paint.
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12-05-2021, 12:20 PM | #3 |
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Join Date: May 2010
Location: Coral Springs FL
Posts: 10,942
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Re: Brake Drum Rust Protection?
Remove the rust with OSPHO which will convert the rust to iron phosphate which can then be wiped off with a rag or clean steel wool. I painted my drums with black enamel paint, although black spray on bar-b-que paint would probably be better for enabling better heat transfer.
Here's some good reading on this topic, including Fordbarn. https://www.google.com/search?q=shou...hrome&ie=UTF-8 Last edited by 19Fordy; 12-05-2021 at 12:27 PM. |
12-05-2021, 12:22 PM | #4 |
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Join Date: Oct 2011
Location: Shelton, WA
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Re: Brake Drum Rust Protection?
Like Kube said, when you are ready to paint them, clean off the rust and etch the metal with either a metal conditioner (an acid) or a self-etching primer then paint. Of course following all directions.
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12-05-2021, 12:48 PM | #5 |
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Join Date: Oct 2016
Location: harpursville ny
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Re: Brake Drum Rust Protection?
When I had some steel heads surfaced they wanted to rust. I used the metal prep sold by Bill Hirsh on them and they still look good years later although putting them in a plastic bag until needed helps. I even used it on my pressure plate before I installed it as I didn't know when I was going to use it.
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12-05-2021, 02:37 PM | #6 |
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Join Date: May 2010
Location: Encino California, near Burbank
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Re: Brake Drum Rust Protection?
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PS: Just weighed the drums. Eight pounds heavier than a Ford front. Last edited by Fred A; 12-05-2021 at 04:59 PM. |
12-05-2021, 08:54 PM | #7 |
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Join Date: May 2010
Location: NJ
Posts: 6,179
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Re: Brake Drum Rust Protection?
The Boiling Bros drums (just drums) are approx. 15 lbs heavier than stock. Stock drums have a stamped steel center welded to a cast iron ring.
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