Aluminum polishing and what to use on these tanks?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by W Bench Farms, Oct 21, 2023.

  1. W Bench Farms

    W Bench Farms Light Load Member

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    Working on polishing some aluminum. I added some before and after pictures. Tanks are pretty rough, so will need some more work, but coming along. The one issue I'm having is getting rid of the black residue while I'm polishing. Using Zephyr polishing wheels and rouge. Have watched some videos and those guys make it look easy.
     

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  3. ducnut

    ducnut Road Train Member

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    Most videos have them starting with a nicer surface.

    That tank needs sanded down, then, flashed with acid to clean the pores, before polishing. However, with the amount of sanding it’ll take, you may end up with a really thin tank.

    This is a piece where I removed casting flash and polished. You can see the progression, from left to right, and the final piece. Yes. That is a reflection of the sky.
    63AA28BD-392D-4F60-97BB-CCB890C018DD.jpeg 3CF444D9-D97D-4D5A-A67C-59B97590F5B6.jpeg

    A couple alloy bolts.
    24CA9739-CA5F-4BCC-8242-1CF68196A540.jpeg

    Stainless tubing.
    AB2ECD6A-7FB0-425B-BE41-1BC68FFEB38F.jpeg
     
  4. 88 Alpha

    88 Alpha Trucker Forum STAFF Staff Member

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    @ducnut That's some nice work you did.
     
  5. ducnut

    ducnut Road Train Member

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    Thank you. I just piddle around.
     
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  6. Short Fuse EOD

    Short Fuse EOD Road Train Member

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    Are you for hire!? Unbelievable work!
     
  7. Sons Hero

    Sons Hero Road Train Member

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    Do you have the tanks off? Tanks are much easier for me to polish on the floor than having to deal with straps and minimal room to work. Especially if they are really rough
     
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  8. skallagrime

    skallagrime Road Train Member

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    Was just going to recomend that, and also you can see if its even worth polishing or straight up replace (or at least patch)
     
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  9. Sons Hero

    Sons Hero Road Train Member

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    And, if you decide it will be to much work to get them mirror finished, Roadsknz has some mirror polished stainless tank wraps you can put on… not sure on price
     
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  10. blairandgretchen

    blairandgretchen Road Train Member

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    Times 2 on that. Well done.
     
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  11. blairandgretchen

    blairandgretchen Road Train Member

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    Looks like you'll need some sanding.

    To me - it's easier to pay a GOOD guy to sand and polish them the first time (and yours look rough) - then just maintain them.

    Kudos to you for giving a darn too - I always appreciate metal that is kept well, regardless of brand/color etc.
     
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