2005-2009 Mustang Information on The S197 {Gen1}

Do I need new brake rotors?

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Old Apr 27, 2012 | 09:52 PM
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mrp5150's Avatar
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From: La Jolla, CA
Do I need new brake rotors?

I just bought my '06 GT about a month ago. It's in great shape, but there is rust on the brake rotors. What's the standard going price for a new set (front and rear)? Or is there maybe some kind of cleaning product I might be able to use to get rid of the rust? Thanks guys!
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Old Apr 27, 2012 | 10:20 PM
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Rust where you have it there is pretty common. As long as the rotors are in spec there's no reason to replace them. Sometimes at work my boss has me pull the wheels off and paint over rust like that on rotors/hubs. Just be careful with masking the caliper and surface of the disk.
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Old Apr 27, 2012 | 10:32 PM
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Yeah, the rust just annoys me when I look at it. Would something like this be equivalent to the stock rotors? Or is there somewhere I can get ones that are the same as stock?

http://www.topbrakes.com/carSeriesDe...AR8171XR_7428F
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Old Apr 27, 2012 | 10:57 PM
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Originally Posted by mrp5150
Yeah, the rust just annoys me when I look at it. Would something like this be equivalent to the stock rotors? Or is there somewhere I can get ones that are the same as stock?

http://www.topbrakes.com/carSeriesDe...AR8171XR_7428F
The thing is, is that whatever new rotors you buy are probably going to rust in the same place in a short amount of time so, like I said, unless you NEED rotors because yours are out of spec, I'd buy $20 worth of paint, not several hundred in new rotors.
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Old Apr 28, 2012 | 02:24 PM
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Rotors are made out of steel and will rust. Even the brand new OEM rotors I put in back in September had surface rust within a few weeks. I guess you could paint it like Kevin said (I honestly never thought of that), or learn to live with it. You would obviously want to mask off not only the part the brake pad touches, but also the mating surface towards the center that the wheel contacts when mounted. Otherwise the wheel would probably stick to it, and if the paint weren't evenly coated, the wheel wouldn't mount flush to the rotor/hub and you could get wheel shake.

As for cleaning products, Advance Auto sells rust converter gel (basically gelled phosphoric acid), which is meant more for body work.
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Old Apr 28, 2012 | 07:32 PM
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antdog's Avatar
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You could always get some emery cloth "fine grit" and some elbow grease and get busy. But after awhile I bet you just learn to live with it.
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Old Apr 28, 2012 | 08:57 PM
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The iron of the rotors is going to rust because it is unpainted. The brake pads keep the swept area clean but the rest will rust. Some aftermarket rotors have painted hats and vents. Even that doesn't last all that long. Just paint the hat area as others have suggested. The more heat and environmental attack the paint can take the longer it will last.
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Old Apr 29, 2012 | 10:54 AM
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From: Denton, TX
+1 on painting it. You're gonna be pretty upset if you buy new rotors and find rust on them too a week later...
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Old Apr 29, 2012 | 07:06 PM
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Originally Posted by mrp5150
Yeah, the rust just annoys me when I look at it. Would something like this be equivalent to the stock rotors? Or is there somewhere I can get ones that are the same as stock?

http://www.topbrakes.com/carSeriesDe...AR8171XR_7428F
Are those good rotors? I hate to be cheap on brakes lol
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Old Apr 29, 2012 | 11:04 PM
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97GT12's Avatar
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Originally Posted by Zaksgt
Are those good rotors? I hate to be cheap on brakes lol
cross drilled and slotted? All that would be for on stock rear brakes is for looks. Tirerack carries brembo OEM replacement rotors. For stock brakes just OEM spec replacement from a solid brand is fine.
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Old Apr 30, 2012 | 05:34 AM
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From: Delray Beach , FL
My self and several other members on the forum here use these , the part that rusts is zinc coated. I've had mine on for over 3 years now and that part still isn't rusted ...

http://www.rotorpros.net/
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Old Apr 30, 2012 | 07:44 PM
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Originally Posted by 05YellowGT
My self and several other members on the forum here use these , the part that rusts is zinc coated. I've had mine on for over 3 years now and that part still isn't rusted ...

http://www.rotorpros.net/
+1 on the rotorpros, 4 years on mine and no rust.

Tim
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Old May 2, 2012 | 04:37 AM
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From: Indianapolis, IN
newtakeoff.com has the factory rotors brand new and relatively cheap. Shipping is a little costly though because of the weight (unless you live in Indiana where they are located like I do )
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Old May 2, 2012 | 11:13 AM
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From: La Jolla, CA
Thanks for the Rotorpros link. They quoted me $300 shipped which seems like a pretty good deal. I think I'll probably just save up and buy those eventually. Thanks guys!
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Old May 2, 2012 | 11:56 PM
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Coupe Guy's Avatar
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From: Georgia
Short answer, No.
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