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      12-09-2011, 12:38 AM   #1
p66
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Little problem after track event - need help

Track event last weekend. Two full days. Rained both days. Hawk DTC-70 pads. Stock wheels and tires. Was traveling this week and couldn't wash my filthy car until today. Brake dust appears to be baked on. It must have been a combination of DTC-70 brake dust that was wet when it hit the wheels, combined with some heat and sitting for 5 days. Whatever the reason, this stuff won't come off. I'm afraid to try anything abrasive. Standard wheel cleaner has no affect. If I scrub one spot for a few minutes with a wash mit and soap I can make some progress. And I can scratch it off with my finger nail, so I know if can be removed.

Any ideas what works good on baked on brake dust?
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      12-09-2011, 01:01 AM   #2
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Sonax Full Effect wheel cleaner FTW. Bar none the best wheel cleaner I've ever used. Check the cosmetics section of the forum to see if you can find any deals.

I love this stuff so much I bought a 5 liter jug of it. I keep a small spray bottle of it in the trunk and clean off the wheels if I'm near a hose.
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      12-09-2011, 01:08 AM   #3
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Quote:
Originally Posted by mrow View Post
Sonax Full Effect wheel cleaner FTW. Bar none the best wheel cleaner I've ever used. Check the cosmetics section of the forum to see if you can find any deals.

I love this stuff so much I bought a 5 liter jug of it. I keep a small spray bottle of it in the trunk and clean off the wheels if I'm near a hose.
Is it spray-on, hose-off? That would be nice.
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      12-09-2011, 11:29 AM   #4
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Hawk swears this doesn't happen any more but it's been a hawk pad "feature" since the HAWK BLUE.

The combination of the pad, water, and time (letting it sit for a few days)causes the pad material to rust.

I cleaned a set of my friends wheels with a light Brillo pad, but they weren't brand new wheels. It took a lot of elbow grease and i also couldn't get it all off. I actually cleaned the wheels because my friend didn't care to take the time and effort. I had borrowed his wheels and the rust I annoyed me so much I just went to work. At any rate, work quickly and you may have a chance at cleaning them up.

I'm not smitten by the hawk initial bite, so I've always avoided hawk pads because of this.

If the rust/dust is on the paint on the car, not sure what to recommend, sorry.
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      12-09-2011, 11:38 AM   #5
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Quote:
Originally Posted by M3 Adjuster View Post
...If the rust/dust is on the paint on the car, not sure what to recommend, sorry.
Maybe try oven cleaner - like in that other wheel thread.

I really like using P21S gel - wheel cleaner myself.



baked on brake dust - help

http://www.1addicts.com/forums/showt...t=oven+cleaner
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      12-09-2011, 01:01 PM   #6
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I run Hawks on my e36 racecar. And that gets cleaned immediately after a race or a trackday for exactly that reason. To get that stuff off is going to be one tough cookie!

The team that maintains my car explained it to me, as follows: These metal particles are extremely hot, when they land on bits of the car and they can actually melt into the clearcoat. If that happens... and you do not take care of it immediately, then there is simply no way besides scrubbing / sanding and repainting.

My e36 is a racecar... I honestly don't care if it has a few scratches. But I would never run Hawks on any car that isn't "track only".
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      12-09-2011, 01:14 PM   #7
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Quote:
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But I would never run Hawks on any car that isn't "track only".
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      12-09-2011, 03:54 PM   #8
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Quote:
Originally Posted by EmmDrei View Post
I run Hawks on my e36 racecar. And that gets cleaned immediately after a race or a trackday for exactly that reason. To get that stuff off is going to be one tough cookie!

The team that maintains my car explained it to me, as follows: These metal particles are extremely hot, when they land on bits of the car and they can actually melt into the clearcoat. If that happens... and you do not take care of it immediately, then there is simply no way besides scrubbing / sanding and repainting.

My e36 is a racecar... I honestly don't care if it has a few scratches. But I would never run Hawks on any car that isn't "track only".
Ugg. I bought some degreaser and will try that. I also bought some tar remover and will give that whirl. Oven cleaner scares me but it may be a last ditch effort.

I have a set of track wheels that don't give me any trouble with my hawk pads. This was the first time I used my stock wheels since it was so wet and I used my street tires. I suppose the clear coat on the stock wheels could be contributing to the issue. And I get the theory that hot pad material can get cooked on, but last weekend was 40 degrees and 100% wet, with constant drizzle. I don't think the pads got much of a work-out. I think Mark is right, this stuff has rusted to the clear coat.
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      12-09-2011, 03:59 PM   #9
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Try claying them.
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      12-09-2011, 06:18 PM   #10
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Thanks for all the suggestions.
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      12-10-2011, 07:53 PM   #11
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Quote:
Originally Posted by p66 View Post
Quote:
Originally Posted by mrow View Post
Sonax Full Effect wheel cleaner FTW. Bar none the best wheel cleaner I've ever used. Check the cosmetics section of the forum to see if you can find any deals.

I love this stuff so much I bought a 5 liter jug of it. I keep a small spray bottle of it in the trunk and clean off the wheels if I'm near a hose.
Is it spray-on, hose-off? That would be nice.
Yes, it is spray on, hose off. How I usually use it is before I go through my local touch-free car wash I spray a the wheels down and let it sit for a minute or two to let it work it's magic and then drive in and let the water jets pointing at the wheels wash them off.

And to those saying P21S wheel cleaner if you go in the detailing forum you can find some comparisons between sonax full effect and P21S and the sonax wins.
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      12-17-2011, 12:31 PM   #12
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Update?? Photos? Easy off for the win ?
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      12-17-2011, 12:41 PM   #13
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Easy Off is a last resort, start with clay and a light polish, then try a degreaser like Simple Green, then try a tar remover. If non of those work, Easy Off might be worth a try. I use Hawk pads for the track and try to make sure my wheels have a recent coat of sealant on them before track sessions.
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      12-17-2011, 03:53 PM   #14
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Quote:
Originally Posted by Red Bread View Post
...and try to make sure my wheels have a recent coat of sealant on them before track sessions.
x1 before you track put a coat of armorall wheel protectant on them. The stuff works wonders
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      12-17-2011, 06:36 PM   #15
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Here is what I'm dealing with - see pic below.

So far I've tried:

Greased Lightning degreaser
Griotts heavy duty wheel cleaner
Bug and tar remover
LCR rust remover
Vinegar
Gasoline
Oven cleaner - let it set for 30 minutes

Nothing is very effective. I suspect I could get it all clean with hours and hours of scrubbing, then be left with a damaged finish. The pic is one small section of one wheel. Even the lug holes are caked with this junk. Granted the rears are in good shape, but both fronts are trashed. I think I'm going to surrender and get my wheels refinsihed.

New question - what finish would resist baked on brake dust better, painted or powder coated?
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      12-18-2011, 03:59 AM   #16
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Thanks for uploading the pic, as I have a feeling most don't know exactly what you are dealing with.

I was able to scrub without ruining the finish, but the spokes on the 5 spoke wheels I cleaned were still a pain and the little nooks and crannies were impossible. Working to get this stuff off will leave your fingers sore for days. I was kinda hoping the easy off would work for you.
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      12-18-2011, 02:24 PM   #17
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I had the same issues on previous wheels. It will take alot of scrubbing, oven cleaner and simple green. The finish will survive this treatment a couple of times. Its very time consuming and almost better to just get them refinished. I found that the PFC material is not as corrosive when wet in comparison to the Hawks.
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      12-19-2011, 03:09 AM   #18
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Is it spray on?
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      12-19-2011, 11:35 AM   #19
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I would try some P21s Gel Wheel cleaner. Put it on and let it sit for a couple of hours. I would bet that would do it.
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      12-19-2011, 02:48 PM   #20
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'Wheel repair by Adam'. Located off of Harry Hines. They do excellent work and will cost about $150 ea to repaint. I've got a buddy that just had his M5 wheels done there and they look fantastic.

Also a place called Wheel Technologies off 35 is supposed to do good work as well.

Last edited by robertm; 12-19-2011 at 02:55 PM.
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      12-19-2011, 10:09 PM   #21
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Not that it helps now but I always liberally apply wax (not wiping off) to my rims prior to a track dry. It helps tremendously with the rubber and brake dust build up.
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      12-19-2011, 11:48 PM   #22
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Quote:
Originally Posted by robertm View Post
'Wheel repair by Adam'. Located off of Harry Hines. They do excellent work and will cost about $150 ea to repaint. I've got a buddy that just had his M5 wheels done there and they look fantastic.

Also a place called Wheel Technologies off 35 is supposed to do good work as well.
Thanks for the suggestion.

Anyone know which paint option would be best - paint or powder coat?
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