Just wanted to show you guys another hobby I like doing, polishing aluminum. - Camaro Zone - Camaro Forums and News

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Old 10-16-2013, 07:07 PM   #1
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Just wanted to show you guys another hobby I like doing, polishing aluminum.

Okay this isn't camaro related these parts are obviously corvette parts. But I am planning on polishing the intake and other parts on the LT1 that I put in my camaro.

Pretty easy to do, I just sand to 120 grit and then use a grinder with buffing wheel and polishing compound.

start of its TPI system







start of its a/c compressor



start of its rear knuckle







start of its dog bones





start of its a-arms





start of camber arms





almost complete front suspension











start of 1/2 shaft



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Old 10-16-2013, 09:14 PM   #2
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I like shiny....not bad. I assume it'll be protected?
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Old 10-16-2013, 10:07 PM   #3
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So pretty. But I couldn't put the on my car or any other car driven a lot, they would be filthy in an instant.
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Old 10-16-2013, 11:24 PM   #4
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So pretty. But I couldn't put the on my car or any other car driven a lot, they would be filthy in an instant.
+1

I polished a crapload of parts on my motorcycle (fabricated a ton of parts for it) and wound up pitted and filthy later....

Looks good though...
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Old 10-17-2013, 12:46 AM   #5
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+1

I polished a crapload of parts on my motorcycle (fabricated a ton of parts for it) and wound up pitted and filthy later....

Looks good though...
These have held there shine for about a year now. These are the next owners nightmare haha. I am also doing a complete c4 dana44 rearend. Probably all parts will end up on a show car.
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Old 10-17-2013, 12:49 AM   #6
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here is another tpi I am working on. Think it is a 86 f-body one







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Old 10-17-2013, 10:00 AM   #7
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Well thanks for the pictures.
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Old 10-17-2013, 11:40 AM   #8
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Those look great! I wish I had power tools to get mine to that level. I did parts of my motor all by hand.
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Old 10-17-2013, 12:51 PM   #9
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Those look great! I wish I had power tools to get mine to that level. I did parts of my motor all by hand.
this is all I use











120 grit sand and quick buff and I have a chrome like shine



before







to 120 grit ( I never got beyond 120 or 220 grit)



after polish

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Old 10-17-2013, 01:36 PM   #10
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The AC compressor looks like it was pretty tough. How did you deal with all the small grooves and channels? I've polished a bunch of stuff on my car and friends cars, using the hand method. Hand sanding from 100 grit all the way up to 1000 in various steps and then hitting it with Mothers Mag & Aluminum Polish. It's a real PITA. Last time I did it to a rough cast piece, I think I got sick from all the chemicals and aluminum (didn't wear gloves).

^ since this piece had a large flat area, I was able to use an electric palm sander for the majority of the surface. The piece on the left is pretty much as-cast with lots of sand grain and surface pitting.
My notes for it say:
"50 grit, 150 grit, 220 grit, 400 grit wet, 800 grit wet, 1000 grit wet, 2000 grit wet, Mothers Mag & Aluminum Polish w/polishing wheel on corded electric drill (should have used rotary tool)"
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Old 10-17-2013, 01:41 PM   #11
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The AC compressor looks like it was pretty tough. How did you deal with all the small grooves and channels? I've polished a bunch of stuff on my car and friends cars, using the hand method. Hand sanding from 100 grit all the way up to 1000 in various steps and then hitting it with Mothers Mag & Aluminum Polish. It's a real PITA. Last time I did it to a rough cast piece, I think I got sick from all the chemicals and aluminum (didn't wear gloves).

^ since this piece had a large flat area, I was able to use an electric palm sander for the majority of the surface.
stop at 120 grit or 220 grit, buy a makita 5 inch grinder and aluminum clay bar polishing compound. Those muffler tips could be done in 30 minutes easy.

when you go to fine on sand paper you only end up with a dull finish. Never go past 400 grit
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Old 10-17-2013, 01:45 PM   #12
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Quote:
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stop at 120 grit or 220 grit, buy a makita 5 inch grinder and aluminum clay bar polishing compound. Those muffler tips could be done in 30 minutes easy.

when you go to fine on sand paper you only end up with a dull finish. Never go past 400 grit
Thanks! I'll give it a shot for that exact set some day when I have time and motivation. I never touched them again after taking those pics. Do you have an exact recommendation for the polishing compound and some tips on applying the compound? Any particular brand/material type of wheels you use?
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Old 10-17-2013, 01:46 PM   #13
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before



no sanding done just my grinder and aluminum polish

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