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Old 01-16-2017, 01:34 PM
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Anodized aluminum

As we all know, there comes a time when the aluminum mouldings on our old cars loose their luster. The anodize coating starts looking like crap, and there seems to be nothing we can do to improve the appearance.
Which brings me to the question of the day. What is the bestest, fastest way to remove the anodized coating? I usually just sand it off, and polish it up. But with a whole cars worth of anodized aluminum mouldings to do. It would take me several days/weeks, just to remove the coating that way.

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Old 01-16-2017, 02:10 PM
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Good old fashioned(not fume-free) spray-on oven cleaner will remove colored anodizing, I've used it to remove color from fuel line fittings in order to polish them up to match stainless hard line, and Moroso air cleaner lids/valvecovers.....but I have no idea if it will remove Brite anodizing, which I believe is a form of hard anodizing??

You could give it a try.
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Old 01-16-2017, 03:45 PM
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Just go at with ScotchBrite and WD40. Using any of the caustic style removal methods, I.E. Oven Cleaner, will leave the aluminum with an etched surface. You will have to sand it anyway to get the polish back.
Use the ScotchBrite to strip the coating then sand it out starting with 400 grit on up thru 600, 1000 and 1200 grit. polishing at this point will give you a nice shine.
If you want a chrome-like look, keep going on up thru 1500 and 2000, using the WD40 as a lube with all grits. Polish with red then white rouge and do a final hand polish with White Diamond metal polish.
Lots of work but you will be happy.
Mark
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Old 01-16-2017, 04:35 PM
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Quote:
Originally Posted by astroracer View Post
Just go at with ScotchBrite and WD40. Using any of the caustic style removal methods, I.E. Oven Cleaner, will leave the aluminum with an etched surface. You will have to sand it anyway to get the polish back.
Use the ScotchBrite to strip the coating then sand it out starting with 400 grit on up thru 600, 1000 and 1200 grit. polishing at this point will give you a nice shine.
If you want a chrome-like look, keep going on up thru 1500 and 2000, using the WD40 as a lube with all grits. Polish with red then white rouge and do a final hand polish with White Diamond metal polish.
Lots of work but you will be happy.
Mark
That's what I'm trying to avoid. Plus it would seem that the scotchbrite being equivilant to 400 grit, There would be one step to avoid, (400 grit).
And starting with 800 works just as well, and can be polished from there.

I'll try the easyoff thing on a scrap piece to see just how hard the etching will be to polish.
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Old 01-17-2017, 11:42 AM
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Just got done doing the wide wheel opening moldings on my concours nova. I first removed all the dings and dents(another story all in its own). I first used 100 grit to remove the hard anodize, which helped with the dents and pits. Then I moved up to 250 grit, 400 grit, 600, 800, 1000, 1200. You have to go with the length of the moldings or it gust gets worse. I then rubbed it with a lot of elbow grease and mothers metal polish. They shine like chrome now. They looks so good, i'm going to put them back on for the car show and take the extra original ones off and save them.
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