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cleaning cast aluminum

Discussion in 'The Hokey Ass Message Board' started by vetteson, Jun 11, 2013.

  1. vetteson
    Joined: Oct 7, 2010
    Posts: 178


    What is best way to clean cast aluminum (remove oxidation/stains)?
  2. Normal Norman
    Joined: Aug 9, 2006
    Posts: 510

    Normal Norman
    from Goshen IN.

    Vettson, I usually use some kind of media blasting, sand, glass beads,etc. I don't care to use chemicals. Just personal preference. Normal Norman
  3. i use the mag wheel cleaner that's made for rough cast wheels, then run it through my dishwasher set on the pots/pan cycle.
  4. Willy301
    Joined: Nov 16, 2007
    Posts: 1,426


    I usually scrub it with Dawn dish soap and water, and if that doesn't clean it, I hit it with a light acid solution for cleaning aluminum. That usually does it.
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  5. Heavy oxidation might require scotchbrite or sandpaper.
  6. mashed
    Joined: Oct 15, 2011
    Posts: 1,474

    from 4077th

  7. Dan1950
    Joined: Oct 27, 2011
    Posts: 24


    I took my aluminum intake to my local machine shop; where they glass bead blasted it.
    The thing came back looking brand new and it was a mess when I sent it in.

  8. Da' Bomb
    Joined: Apr 8, 2005
    Posts: 438

    Da' Bomb

    For just light dirt and grease, Eagle 1 has a good product

  9. Gotgas
    Joined: Jul 22, 2004
    Posts: 6,803

    from DFW USA

    I have a large tub that I use to clean my pool filters twice every year. I put a 4:1 tap water to muriatic acid bath in it and let them soak.

    I was about to dump the solution earlier this year but decided to put a couple of old intakes in it first to see what it would do. It took a while but it cleaned them pretty well. I noticed that any steel bolts were really giving off gas; I assume they were hydrogen bubbles. I will make sure only aluminum parts go in next time. I'll document my results better at the end of the summer when I clean the filters again. :D
  10. Eagle 1 aluminum wheel cleaner.
  11. 1971BB427
    Joined: Mar 6, 2010
    Posts: 5,563

    from Oregon

    I just cleaned up a pretty crusty tunnel ram intake. Spent hours with various polishes, and cleaners and some made things even worse! I finally used mag wheel cleaner, and a bristle brush, then just hosed it off with the garden hose. It worked fantastic!
  12. Blue One
    Joined: Feb 6, 2010
    Posts: 10,333

    Blue One
    from Alberta

    Look up a product called Aluminum Jelly. Brush it on and then after a bit hose it off and the aluminum looks like new.

    Best stuff I have used. It would even clean off the red stain we used to get on our manifolds back in the days of red dyed leaded premium gas. :)
  13. tommy
    Joined: Mar 3, 2001
    Posts: 14,758

    Member Emeritus




    after bead blasting


    after powder coating
  14. snopeks garage
    Joined: May 25, 2011
    Posts: 555

    snopeks garage
    from macomb MI

    I did the same it only coust me $30 too

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