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Molasses bath made me a believer !!

Discussion in 'The Hokey Ass Message Board' started by drfreeze, Oct 14, 2009.

  1. drfreeze
    Joined: Sep 18, 2008
    Posts: 293

    drfreeze
    Member

    I have this 330 desoto hemi that i want to build for my 29' coupe and every time i moved the block around rust would pour out the water jackets , i tryed everything to clean this out but i was chunked up inside , the machine shop put it in the oversize dishwasher and baked it , i power washed it numerous times. So off the the Internet for a solution .....MOLASSES ! very strange solution but worth a tryand cheap .OK so after numerous half written articles from mainly people outside the USA i decided to try it myself ..and this is how it went .........first tracked down a feed store at the famous Belmont park

    1. Molasses $22.00 usd for 5 gals
    2. 50 gal industrial garbage pail $50.00
    3. placed crusty rust 56' desoto hemi into pail
    4. mixed solution about 10 parts water to 1 part molasses
    5. waited one month
    6. removed and power-washed the slime off of her
    7. as long as the pail has a cover and the it is closed the smell of Fermentation is not bad at all.....
    and the results are just shocking it's so clean that it started flash rusting by the time I rolled her back in the garage , make sure you lube her up very good and the water jackets are spotless !
     

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  2. JeffreyJames
    Joined: Jun 13, 2007
    Posts: 16,628

    JeffreyJames
    Member
    from SUGAR CITY

    That's Awesome!!! I have a 331 that could use a bath.
     
  3. Dan10
    Joined: Aug 14, 2007
    Posts: 386

    Dan10
    Member
    from Joplin

    Next time get a used 55 gallon drum for less than $10.
     
  4. ottoman
    Joined: May 4, 2008
    Posts: 341

    ottoman
    Member
    from Wisconsin

    Looks good!
    Many machine shops offer a "Rust strip" for blocks and heads.
    When I had my shop the product I used took from a hour, to a day for a very badly rusted block, to make it look like brand new. It also contained a additive to prevent the flash rust after cleaning.
     
  5. drfreeze
    Joined: Sep 18, 2008
    Posts: 293

    drfreeze
    Member

    Didn't want a barrel laying around the house the neighbors might talk !
     
  6. Milhouse
    Joined: Feb 12, 2007
    Posts: 55

    Milhouse
    Member
    from RI

    So did it take the paint off as well or did you scrub that off yourself?
     
  7. drfreeze
    Joined: Sep 18, 2008
    Posts: 293

    drfreeze
    Member

    No i just powerwashed the loose paint off before it went in some of the paint is still on it ...
     
  8. scootermcrad
    Joined: Sep 20, 2005
    Posts: 12,383

    scootermcrad
    Member

    Bitchin! Love it!
     
  9. bobwop
    Joined: Jan 13, 2008
    Posts: 6,127

    bobwop
    Member
    from Arley, AL

    phosphoric acid used in the manufacturing process got it done for you. good tech article
     
  10. flatheadpete
    Joined: Oct 29, 2003
    Posts: 10,552

    flatheadpete
    Member
    from Burton, MI

    I'm gonna try that!
     
  11. J&JHotrods
    Joined: Oct 22, 2008
    Posts: 549

    J&JHotrods
    Member

    I had heard of this but I didn't believe it.....'til now. Wow! It removed the scale in the water jacket better than most hot tanks would have.

    Ottoman, what's the additive to prevent flash rusting?

    Great tip. Gotta bookmark that one.
     
  12. BBobb
    Joined: Feb 5, 2007
    Posts: 1,865

    BBobb
    Member

    Ya just never know....wow!!!.Thanks for sharing
     
  13. skunx1964
    Joined: Aug 21, 2008
    Posts: 1,455

    skunx1964
    Member

    does this work better than vinegar?
     
  14. bobwop
    Joined: Jan 13, 2008
    Posts: 6,127

    bobwop
    Member
    from Arley, AL

    the "agitation" or effervessance (sp) caused by the fermentation process helps to work the molasses into the part being soaked. Kinda like soaking it in Coke, but better. You just need to exhibit enough patience, like the OP did, to allow the fermentation to occur.
     
  15. Do a search, we have covered it many times here, lots of info. I first heard of it from Rocky 8 or 9 years ago.
     
  16. RichG
    Joined: Dec 8, 2008
    Posts: 3,919

    RichG
    Member

    I've done some T stuff and some off topic items, works wonders for the investment.

    ...but yeah, that smell, holy cow! I had to hide my barrel behind the shop and it still left an effervescent odor around the area, maybe I need to seal it better next time:D
     
  17. On Long Island, the mega-barrels go under the radar since almost every house has one for trash pick up. Great tip though, glad it worked out. Is the soup still on hand? I could drift by with a block or two.

    Bob
     
  18. I derusted a bunch of window lift mechanisms, took 3 months, but they came out clean. I think if it was summer, it would have worked faster.
     
  19. drfreeze
    Joined: Sep 18, 2008
    Posts: 293

    drfreeze
    Member

    Yes shouldn't be a problem , i just put my heads in there so you have to give me a little time
     
  20. BinderRod
    Joined: Jul 9, 2006
    Posts: 1,737

    BinderRod
    Member

    Did you scrub it with a bisquit or corn bread?

    Sure looks like it works good
     
  21. NashRodMan
    Joined: Jul 8, 2004
    Posts: 1,989

    NashRodMan
    Member

    How do you dispose of the molasses when you are done with it?
     
  22. BinderRod
    Joined: Jul 9, 2006
    Posts: 1,737

    BinderRod
    Member


    Call Cracker Barrel:rolleyes:
     
  23. necrobillygirll
    Joined: Oct 11, 2009
    Posts: 92

    necrobillygirll
    Member

    i love simple green. molasses who would have ever thought it
     
  24. unclechop
    Joined: Apr 24, 2007
    Posts: 280

    unclechop
    Member

    I heard from an old racer that you shouldn't put cast iron in the molasses bath,
    could be crap tho?
     
  25. fiftyv8
    Joined: Mar 11, 2007
    Posts: 5,401

    fiftyv8
    Member
    from CO & WA

    I am told there are 2 basic types of molasses, one is for animals and the other is used as the sticky component for spraying crops.
    I use the crop item as I have assumed that there will be less of all the other additives added for animal health.

    I dilute it out and pour it on the grass/garden which seems to thrive on it.

    Hot rodding gone green.
     
  26. bobwop
    Joined: Jan 13, 2008
    Posts: 6,127

    bobwop
    Member
    from Arley, AL

    molasses from a feedmill has been manufactured for flowability and a small nutritional additive package is added. It can certainly be used for soil fertility without concern. Would also be great on your compost pile. We use it for baiting bears.

    The "pure" molasses we all tend to think of would have to be heated to flow through a pump and into your pails.
     
  27. I believe the feed store molasses has sulphur in it.

    As compared to the quarts and gallons you get at the SuperMarket.


    You'll want to watch it with vinegar.

    I put a nice moderately rusted 6" Lufkin calipe in a white vinegar bath.
    Recommended time was 48 hours.

    Came out really nice except the vinegar ate up the spring steel so bad that the calipers blew apart....
     
  28. noboD
    Joined: Jan 29, 2004
    Posts: 8,647

    noboD
    Member

    I think the feed store is made from red beets. The food store type is made from sugar cane. After soaking I wash the parts with Spray Nine or Simple Green, no flash rust. There's been several threads about this.
     
  29. dieselc
    Joined: May 17, 2004
    Posts: 1,315

    dieselc
    Member
    from ohio

    Going to have to try this, heard of it awhile back, but never seen it done.
     
  30. AusRodder
    Joined: Jul 7, 2005
    Posts: 27

    AusRodder
    Member
    from Brisbane

    Ive had alot of success with this method also...dump a heap of parts in a 44 gallon drum,hanging inside on wires clipped to the rim....a check periodically is carried out and the clean stuff is pressure washed,quickly dried and primed...
    I couldnt believe the results and its perfect for getting into difficult spots,blocks,fuel tanks etc...Its a great method if you aint in any hurry..
     

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