Coated Rotors - Taurus Car Club of America : Ford Taurus Forum
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post #1 of 11 (permalink) Old 10-23-2018, 03:32 PM Thread Starter
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Coated Rotors

From the land of rust, I had my last rotors get rusty rings around the edges of the working area and pulsate. As well the fins rust up with crusty stuff. Pic of my new coated rotors, after couple weeks of hard use. Since we have rain every other day, plenty of chances to get wet. Hard use as, city driving, and rural 2 lane hills and curves. Brakes feel very good. Will update after some snow/salt use.


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post #2 of 11 (permalink) Old 10-23-2018, 07:25 PM
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Those are all I use anymore. The uncoated rotors rarely lasted more than 2 years. You can get coated calipers now too.
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post #3 of 11 (permalink) Old 10-23-2018, 08:53 PM Thread Starter
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Those are all I use anymore. The uncoated rotors rarely lasted more than 2 years. You can get coated calipers now too.
Raybestos ~$3.50 per more coated than bare. These ~$51 for the pair of fronts. From what I have read, the process developed for new vehicles for preventing rust while on the lot, and for appearance. Coating has to resist rust, and at the same time wear right off when the pads rub on them.


The sedan driven nearly every day of the year, and my daughter lives on a hill, up to the main road, down to the light. Up the hill to her work. So, hard use does not keep rust away.
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post #4 of 11 (permalink) Old 12-19-2018, 10:50 PM
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FNC coated rotors will have a harder surface and better stability for braking on different situations. Including friction variation due to corrosion and disc thickness variation for highway usage (DTV is a cause for cold judder, or brake roughness)
This is better paired with NAO pads, do not pair with low-steel
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post #5 of 11 (permalink) Old 04-18-2019, 06:10 PM Thread Starter
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After one really tough rust belt winter I am rotating my tires and checking condition of all. Just starting to show some rust in the fin area. Uncoated ones here will have crusty rust by now. Cleaned and de-glazed the old pads when changing rotors, they will outlast the car. Brakes have great feel.


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post #6 of 11 (permalink) Old 04-21-2019, 08:58 AM
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They will rust up eventually but last way longer. Just did a set of Raybestos coated on the front of the wife's Equinox yesterday. Now if they could coat the pad backing plates so they don't rust and swell and bind causing drag / wear. This salt zone maint. routine is starting to get old.....

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post #7 of 11 (permalink) Old 05-19-2019, 10:21 AM
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There are some ZnNi coated backplates on the market already. This will prevent not only drag, but also reduce the likelihood of brake squeal events due to anti-noise shim detaching.
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post #8 of 11 (permalink) Old 05-19-2019, 03:52 PM Thread Starter
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There are some ZnNi coated backplates on the market already. This will prevent not only drag, but also reduce the likelihood of brake squeal events due to anti-noise shim detaching.
Pic of home done anti-rust for backing. Clean surfaces and primer.


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post #9 of 11 (permalink) Old 05-19-2019, 06:05 PM
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Pic of home done anti-rust for backing. Clean surfaces and primer.


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May hold up but pads get really hot and cause paint to fail.
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post #10 of 11 (permalink) Old 05-19-2019, 09:21 PM Thread Starter
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May hold up but pads get really hot and cause paint to fail.
The way my cars are driven, no issues with paint failing. Factory paint is just bare minimum coating. And my paint so far has prevented what is in my picture attached. Here in the rust belt I pull my pads off every Fall for inspection.


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