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Rust on Rotors

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Old Aug 23, 2006 | 10:22 AM
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Default Rust on Rotors

Any suggestions on how to "treat" this condition? Thanks.
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Old Aug 23, 2006 | 10:31 AM
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Where is the rust - on the firepath? Driving it will clean that up. If you're talking about the rotor hats and the edges, you will have to clean it up with steel wool and several members have reported using high temperature paint to protect the untreated surfaces.

You could buy zinc plated rotors thatwill resist rusting. I have Wilwood rotors and they rust on the firepath when they get wet - but as soon as I drive it, the surface rust wears off.

Last edited by blacksedan87; Aug 23, 2006 at 10:44 AM.
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Old Aug 23, 2006 | 11:44 AM
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Default rusty rotors

You can do a search of Evil Twin's tips on cleaning rotors. Labor intensive but worth the effort! I did a search for the same reason and I found this : The Rotors.....are clean:-) )(dialup be warned)
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Old Aug 23, 2006 | 11:44 AM
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Get some zinc coated rotors! www.sportbrakes.com
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Old Aug 23, 2006 | 12:09 PM
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Thanks, guys.
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Old Aug 23, 2006 | 12:14 PM
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Cheapest way is to paint the hats on your existing rotors yourself - cost will be very minimal. You'll still get rust on the area that the pads contact, but that goes away with the first drive.
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Old Aug 23, 2006 | 12:15 PM
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WD 40.
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Old Aug 23, 2006 | 12:59 PM
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Will painting the open ends of the rotors not make them run a little hotter? Just thinking.
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Old Aug 23, 2006 | 01:04 PM
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Originally Posted by SavPrato
Will painting the open ends of the rotors not make them run a little hotter? Just thinking.
No.
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Old Aug 23, 2006 | 02:36 PM
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Originally Posted by JDs00PewterCoupe
Cheapest way is to paint the hats on your existing rotors yourself - cost will be very minimal. You'll still get rust on the area that the pads contact, but that goes away with the first drive.

I had the GM slotted and drilled rotors installed, but the installer did not paint the rotor hats first, so after a week they looked like the rotor hats in this car:

\

Notice the nice rust accents??

I brought it back to the installer and they painted them silver. Now, after a year the rust is showing through. I think I want to paint them black. What prep must I do and what paint do I need to use?
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Old Aug 23, 2006 | 06:12 PM
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if there is already rust on there, you've got to get all the rust off or it's just going to show through again eventually. Best to paint them when they are new

I use whatever cheap black spray paint I've got laying around the house, yes it'll bubble and melt off after a few track days, but then again, it's about time to replace them by the time that happens. For autoX and street use, I've not had a problem with the cheap paint and have gone through several sets of NAPAs in the last 2 years
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Old Aug 23, 2006 | 08:17 PM
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you can always install the rotor hub covers from Ecklers. comes in chrome, red or black.
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Old Aug 23, 2006 | 08:17 PM
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Originally Posted by jrose7004
Get some zinc coated rotors! www.sportbrakes.com


Chuck
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Old Aug 23, 2006 | 09:44 PM
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Originally Posted by vettephysician
Any suggestions on how to "treat" this condition? Thanks.
Someone had used a very caustic brake cleaner on them. If you jack it up and check, the inner side of the rotor won't be rusted. The cleaner ate the Zinc plating off. I too had this problem. Paint wasn't doing the trick, slots and chamfers still rusted. Ended up having then re Zinc plated for $25 each. No longer a problem for the past 1-1/2 years.
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Old Aug 23, 2006 | 09:45 PM
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We got the chrome hub covers and have had a lot of good compliments on them. They do look very nice behind the chrome ZO6 wheels.
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Old Aug 23, 2006 | 09:53 PM
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Originally Posted by Vato
I had the GM slotted and drilled rotors installed, but the installer did not paint the rotor hats first, so after a week they looked like the rotor hats in this car:

Notice the nice rust accents??

I brought it back to the installer and they painted them silver. Now, after a year the rust is showing through. I think I want to paint them black. What prep must I do and what paint do I need to use?
I used a small angle grinder with a stiff wire cup brush to clean the rotors. I then mixed an 8 oz. can each of Rust-Oleum Flat Black and Gloss Smoke Gray. Mixed, they produce a nice satin dark gray very much like the original color coating. It's cheap and easy to touch up, but I haven't had to yet.
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Old Aug 23, 2006 | 10:15 PM
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Originally Posted by repo
WD 40.
GTFOH WD40
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Old Aug 24, 2006 | 05:41 AM
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uhhh, drive around the block? bub
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