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  1. #1
    absentx's Avatar
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    polishing/brushing up aluminum parts

    So..I know beerdart polished up his alum pipes and what not real nice for his project boat...

    My question is, if I wanted a cheap and easy "do it yourself" polish type job on my 785 cylinders..what would be the best way??

    I dont need them shiny or anything, I just kind of want a brushed look better than how they look now (they are kind of a dull aged aluminum look right now).

    dremel tool with a fine wire brush on it???

    Just run a wire brush over it by hand??

    Any easy suggestions for improving the look in a short period of time is what I am looking for...

    the engine goes together this weekend..so I need suggestions asap


  2. #2
    Moderator beerdart's Avatar
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    You can bead blast them for a nice brushed look.

  3. #3
    absentx's Avatar
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    Is a bead blaster and or the equipment I need for the process something I can just get at say a Home Depot or something?

    We have compressed air.

    Or more importantly where do you buy the abrasives?
    Last edited by absentx; 03-15-2007 at 12:58 PM.

  4. #4
    Old Ski Insanity w/rpm500's Avatar
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    sears or tractor supply for the equipment... abrasives.. white blasting sand,glass beads, walnut shells, pecan shells ,ect, ect... a good paint supply store can get or provide... you must wash, wash ,wash ,when done to get that grit out off all crevises feed lines and tubes... shells work best for that polished look and are more forgiving if you miss a speck during assembly .wear hats, masks , gloves and long sleeves for protection to yourself.

  5. #5
    Connecticut CrazyA's Avatar
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    Quote Originally Posted by absentx View Post
    I dont need them shiny or anything, I just kind of want a brushed look better than how they look now (they are kind of a dull aged aluminum look right now).
    Are you looking for a look like this? (this is bare aluminum done in my beadblasting cabinet with glass beeds)


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  6. #6
    absentx's Avatar
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    yeah something like that would be fine, maybe even tooo nice for what I am trying to do.

    Any options without blasting?

  7. #7
    Moderator beerdart's Avatar
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    A good paint striper should leave a dull finish.

  8. #8
    Water Bum Rodneyae's Avatar
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    Here is a piece of almn. that I did a brushed almn. finnish, too. All you need to do is strip paint, use 200 grit sand paper, and lightly sand in one direction only, you can achive diffrent effects by using diffrent grit sand paper. Wash and clean it, then spray a light coat of clear coat on it.


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  9. #9
    Water Bum Rodneyae's Avatar
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    To polish you will need a bench grinder, Buffing wheel, rouge, sand paper, and some time. If you have a smooth surface then it is easy to do. If you do not then it will take some time to get it there. Also you have to keep polishing it to keep it looking like chrome. A lot of work, but it looks great!!! I was going to do my pipes, but I did not want to spend the time on a set of rough pipes that very few people will see.

  10. #10

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    Get a dab of Muriatic Acid and try it on a small spot of the cylinder (if they aren't painted) and see how you like that look.

    I always sprayed down aftermarket billet snowmobile heads, and did the cylinders to match.........noone ever noticed in the backyard races

    Cleans up oxy'd aluminum pretty well.

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