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Join Date: Apr 2002
Location: Omaha, NE
Posts: 3,518
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Apparently I'm the only one on the planet that can't polish fuchs perfectly--question
I've gone around the lip of my fuchs at least 10x with a 120 grit 5" pad for my polisher and can't seem to get rid of the tiny black dots on the aluminum which I'm assuming are from the bead blasters using too abrasive of media on my wheels. Or am I being too gentle with them? Any one else have this prob before? How did you fix it?
I've polished it out to mirror finish so I'm confident if I can just get these tiny dimples out (which you can only see from a foot or two away) they will be perfect. Thanks
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1980 911SC Targa 3.6L |
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07-30-2021, 04:24 PM
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I used 400, 800, 1200, 2000, 3000 lubricated with WD40 then a wool pad with simichrome and was able to get an almost flawless mirror finish.
I had mine glass bead blasted so the surface was pretty perfect to begin with. All I can add is to use plenty of lubrication.
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-Julian 1977 911 S: Backdate, EFI/ITB, AC project in the works: http://forums.pelicanparts.com/porsche-911-technical-forum/1106768-when-well-enough-cant-left-alone-backdate-efi-itb-ac-more.html |
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07-30-2021, 06:33 PM
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Join Date: Jul 2006
Location: Honolulu, HI
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Were your wheels previously chromed? If so, those may be pits in the aluminum. You need to keep sanding until you get rid of it. However, no one knows how deep the pit will go. If it is a pit in the aluminum, it will be better to send the rim out to be refinished.
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'24 Tesla Model 3, '22 Tesla Model Y '19 Tacoma '06 Carrera, '79 930 '06 S4 Avant |
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07-30-2021, 10:46 PM
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i`d say get them to anodizing place they will de-anodize them then you polish them and let them anodize them..
Ivan i did not polish but let it be plain mat.. 
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1985 911 with original 501 708 miles...807 421 km "The difference between genius and stupidity is that, genius has its limits". Albert Einstein. |
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07-31-2021, 12:11 AM
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Location: Omaha, NE
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They were anodized with painted centers before but I had them bead blasted. Here is a pic for reference.
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07-31-2021, 06:15 AM
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Looks like wrong grit and wrong angle. Never blast aluminum straight on. Need to sand out the divots, know anyone with a vapor honing cabinet?
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07-31-2021, 09:36 AM
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I think what your getting is what the pros call dragging. It is something that has to be mechanically removed by resanding. Then polishing as it seems heat and dirt are the reason for the pits. It's unlikely it's from blasting unless it was very high abrasive.
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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08-01-2021, 05:10 AM
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Quote:
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08-01-2021, 10:44 PM
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dustim..don`t ask you might not like it...1st i had to smuggler from England chemicals(illegal in Europe) to remove the paint,that was 60 euros plus 50 for truck driver ..after $100 for sandblasting..after driving it to metallurgic place for de-anodizing and anodizing for 120 bucks..
so plus minus in dollars tha paint removal was excellent it peeled like an orange peel. all together..around $400...so pretty inexpensive...for European prices- standard.. pretty happy with the looks 
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1985 911 with original 501 708 miles...807 421 km "The difference between genius and stupidity is that, genius has its limits". Albert Einstein. Last edited by proporsche; 08-02-2021 at 01:12 PM.. |
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08-02-2021, 01:08 PM
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