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> How to keep the rust off your rotors?
TravisNeff
post Mar 15 2005, 10:20 AM
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I have a new set of rotors I had on the white car, only have about 500 miles on them. Transferred them over to the silver car and they are getting rusty around the hub area. I bead blasted them clean & wonder what I can do to keep them this way. Do you think that hitting them with Metal ready will help for semi-long term protection?

I could hit it with high temp paint instead, but if I can keep the look of the metal - I am all for it. What do you think?
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sanman
post Mar 15 2005, 10:22 AM
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Grey Cast POR 15
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lapuwali
post Mar 15 2005, 10:29 AM
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I doubt many coatings would survive the heat for long. Rotors are a consumable, and if you lose one to terminal rust, you didn't drive the car enough. (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif)

Light surface rust is inevitable, and I'd not worry about it.
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Rhodes71/914
post Mar 15 2005, 10:32 AM
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Dirve the car and use the brakes.

I know, I'm a smart ass.
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TravisNeff
post Mar 15 2005, 10:36 AM
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I am not talking about the disk surface, but the hub area. Yes it is a consumable, just trying to find a way to keep them looking nice for the time being.
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xsboost90
post Mar 15 2005, 10:42 AM
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get some cast coat paint, duplicolor or likewise, sand it , spray it, looks like bare metal w/o all the rust...
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Gint
post Mar 15 2005, 11:01 AM
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I powder coated the hat sections clear on one set I did. Held up for a good long time (until I sold the car anyway).
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Rough_Rider
post Mar 15 2005, 11:38 AM
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Most paints even high temp one's will eventually flake off. Be warned a side effect of painting is reduced heat transfer. The paint apparently traps heat in the rotor. I guess its the same principal used by the ceramic coatings on exhausts.

Cadium Plating is a possible solution but don't know how it'd cope with track usage. I have it on a street car & the rotors still look shiney new after 12 months.

Other solutions, 2 piece rotors with aluminium hats. Or like the early mark 1 Lotus Elises use metal matrix rotors..
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TravisNeff
post Mar 15 2005, 11:43 AM
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Powder coating sounds promising, but I am too impatient to wait. So either a high temp paint and then repaint later down the road, or try my luck at Metal Ready. that should be good for a few months or so, no? By then I am sure it's not going to be a big deal for me if it starts looking used and normal....
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SirAndy
post Mar 15 2005, 12:37 PM
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QUOTE (Travis Neff @ Mar 15 2005, 09:43 AM)
or try my luck at Metal Ready.

metal ready *should* work ... but you have to apply it to the surface rust and it'll turn dark, not shiny. once it's dry you'll need to wash off the excess MR with water, otherwise it might burn up.
but the result should be a rust-protecting layer ...

(IMG:http://www.914world.com/bbs2/html/emoticons/cool.gif) Andy
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gregrobbins
post Mar 15 2005, 05:06 PM
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Stay away from water. (IMG:http://www.914world.com/bbs2/html/emoticons/mueba.gif)
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TravisNeff
post Mar 15 2005, 05:17 PM
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I can always put a chunk of lead on the rotor, at least it will keep the barnacles at bay
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teenrookie
post Mar 15 2005, 06:28 PM
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I was looking at this stuff at the ever expensive Griots for the exact application.

Anyone try this?
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tommy914
post Mar 15 2005, 06:49 PM
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yes.

I got it for the muffler, but it seems to work nicely on the brake rotor hub.

Brushing it on made it easier to avoid all the other parts.
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teenrookie
post Mar 15 2005, 08:06 PM
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(IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif) Thanks, I will order some tonight.
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TravisNeff
post Mar 16 2005, 11:16 AM
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looks nice to me! I am swapping parts around and in the process I am cleaning them up when I install them, easier now than later. And in about 6 months it will be filthy and it will either be easier to keep clean or I just won't care..

I went with a silver high temp paint I had sitting around the garage, good enough for me.
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alauder
post Mar 16 2005, 03:22 PM
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I Zinc plated mine. Along with the Calipers and hardware.
Got the splash shields powder coated.

My project got put on hold or a few weeks as I just broke my collar bone snow boarding! (IMG:http://www.914world.com/bbs2/html/emoticons/headbang.gif)


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TravisNeff
post Mar 16 2005, 03:25 PM
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Looks very nice, I bead blasted my sheilds and just gave it a coat of rattle can satin black. You know you'll have to do something about that wheel bearing cap now, heh
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alauder
post Mar 16 2005, 03:27 PM
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Oops.


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TravisNeff
post Mar 16 2005, 03:29 PM
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Cripes! that gives me the willies...
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