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Penetrating Oil Test

Discussion in 'The Hokey Ass Message Board' started by unkledaddy, Feb 5, 2014.

  1. unkledaddy
    Joined: Jul 21, 2006
    Posts: 2,864

    unkledaddy
    Member

    April 2007 "Machinist's Workshop" magazine comparison test.*They arranged a subjective test of all the popular penetrants with the control being the torque required to remove the nut from a "scientifically rusted" environment.*


    *Penetrating oil ..... Average load*

    None ..................... 516 pounds
    WD-40 .................. 238 pounds
    PB Blaster ............. 214 pounds
    Liquid Wrench ..... 127 pounds
    Kano Kroil ............ 106 pounds
    ATF-Acetone mix....53 pounds

    *The ATF-Acetone mix was a "home brew" mix of 50% acetone - 50% automatic transmission fluid.*
    *Note the "home brew" was better than any commercial product in this one
    particular test. Our local machinist group mixed up a batch and we all now
    use it with equally good results. Note also that "Liquid Wrench" is about
    as good as "Kroil" for about 20% of the price. *
     
  2. GoFastHotRods
    Joined: Jun 29, 2012
    Posts: 40

    GoFastHotRods
    Member
    from CT

    I've heard of ATF & acetone three times this week. I guess it's time to mix some up.


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  3. slowmotion
    Joined: Nov 21, 2011
    Posts: 3,201

    slowmotion
    Member

    Comes up here regularly.

    It works.
     
  4. GregCon
    Joined: Jun 18, 2012
    Posts: 689

    GregCon
    Member
    from Houston

    That test has been discussed to death. I don't recall why any longer but there are plenty of reasons it is not a very scientific test.

    But the main drawbacks of the home brew are....Acetone is way more flammable than any of the commercially available penetrating oils, and it is way more likely to evaporate. It also doesn't come in an aerosol can which is usually 50% of the game.

    I guess I never was much of a Hints from Heloise guy.

    Anyway, I have to go soak my ass in a mixture of honey, linseed oil, and salt so it will stay looking young.
     

  5. 42merc
    Joined: Dec 19, 2010
    Posts: 724

    42merc
    Member

    This post must be on automatic redial.
     
  6. ginuine555
    Joined: Jun 17, 2006
    Posts: 104

    ginuine555
    Member
    from louisiana

    I buy wd 40 by the gallon and put it in a spray bottle same as kroil. I've mixed the atf and acetone and found it to work pretty good but as said earlier the acetone evaporates not as bad as in cold weather.
     
  7. birdman1
    Joined: Dec 6, 2012
    Posts: 975

    birdman1

    i use acetylne and oxygen :eek:
     
  8. Gman0046
    Joined: Jul 24, 2005
    Posts: 6,253

    Gman0046
    Member

    Thought PB Blaster would have done better.
     
  9. fastcar1953
    Joined: Oct 23, 2009
    Posts: 2,161

    fastcar1953
    Member

    i use plasma. works great.
     
  10. luke13
    Joined: Oct 25, 2013
    Posts: 381

    luke13
    Member

    "scientifically rusted"? i think thats what my chev has done.
     
  11. unkledaddy
    Joined: Jul 21, 2006
    Posts: 2,864

    unkledaddy
    Member

    Hints from HAMBERS is what this site is all about.
     
  12. Termites Ate my Chevy
    Joined: Jun 26, 2007
    Posts: 544

    Termites Ate my Chevy
    Member

    Brake fluid, use it all the time. If it eats paint it'll eat rust!

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  13. arkiehotrods
    Joined: Mar 9, 2006
    Posts: 5,904

    arkiehotrods
    Member

    I have used "Rusty" by Kent Automotive for the last dozen years or so. Works really well on very rusted nuts on "field cars."

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  14. Atf and acetone mixed 50-50 kicks ass on rust!
     
  15. Scott De Shields
    Joined: Mar 23, 2011
    Posts: 162

    Scott De Shields
    Member

    Mouse Milk, works like a charm.
     
  16. That gotta be tough to catch a mouse and then milk it.


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  17. ATF and acetone do not mix....................
     
  18. Scott De Shields
    Joined: Mar 23, 2011
    Posts: 162

    Scott De Shields
    Member

    Mouse Milk is a real product. It was developed for the aviation industry for freeing up fasteners on airplane engines. Used it on a frozen heat riser that was rusted tight. Took about 3 days it was as good as new.
     
  19. slowmotion
    Joined: Nov 21, 2011
    Posts: 3,201

    slowmotion
    Member

  20. tfeverfred
    Joined: Nov 11, 2006
    Posts: 15,793

    tfeverfred
    Member

  21. Rory428
    Joined: Mar 30, 2011
    Posts: 73

    Rory428
    Member
    from BC Canada

    Agreed, at work we have tried virtually every brand of penetrating oil on rusted up oxygen sensors , nothing worked better than brake fluid.
     
  22. Diavolo
    Joined: Apr 1, 2009
    Posts: 810

    Diavolo
    Member

    I'm sure they have never tested it but I use water more times than not to break loose rusted stuff. Water's what made and water's what dissolves it.

    If you don't believe me, leave a pair of pliers out in the rain for a few weeks until they don't move anymore. Throw them in the sink for an hour and see how quickly they loosen up. After they loosen up, hit them with a little heat to dry it out and spray on a little lube for protection.
     
  23. dirtracer06
    Joined: Sep 29, 2009
    Posts: 198

    dirtracer06
    Member

    Blood seems to help....I'm usually bleeding by the time i get them broken loose/off....:rolleyes:
     
  24. Truckedup
    Joined: Jul 25, 2006
    Posts: 3,864

    Truckedup
    Member

    Penetrating oil does nothing on rust. It makes you feel better and try harder to loosen the fastener. You spray the fuck out of the bolt/nut with any of them.......Then if the bolt come loose you notice the threads are dry.....So much for penetrating...
     
  25. raymay
    Joined: Mar 2, 2008
    Posts: 2,352

    raymay
    Member

    Did not have Acetone so I did a 50/50 mix with lacquer thinner and Tranny fluid. Been doing this for a couple of years now and it works very well. My friends at the shop like it and gave it the name "Rusty Ray".
    CRC has a product called Freeze-Off. I have a can but have not had an opportunity to give it a real test.
     
  26. parklane
    Joined: Oct 17, 2009
    Posts: 188

    parklane
    Member

    Wrong, wrong, wrong. If it sits for a while, the ATF settles to the bottom, but a couple shakes, and away you go. Been using this combo for years, and been real happy with the results.
     
  27. GregCon
    Joined: Jun 18, 2012
    Posts: 689

    GregCon
    Member
    from Houston

    I'd rather have a MAPP gas torch any day of the week over any oil.
     
  28. dodge59
    Joined: Dec 21, 2006
    Posts: 183

    dodge59
    Member

    I used acetone on cleaning the inside of a gas tank .. cleaned it up real nice .. but the smell will kill you, it is really strong stuff and it eats up rubber gloves like mad.
    I used pinesol already on soaking carburetors .. it cleaned up EVERYTHING squeaky clean, even rust .
    Also if you spray up bolts with penetrating oils like wd-40 or blaster , it all evapoates within a day or two. so you have to crack that bolt or nut loose within a short period of time .
     
  29. 24 Dodge
    Joined: May 2, 2010
    Posts: 665

    24 Dodge
    ALLIANCE MEMBER

    Got some Justice Brothers JB 80 in a spray can it works great and it is made in California.I like to buy American when I can.
     
  30. luke13
    Joined: Oct 25, 2013
    Posts: 381

    luke13
    Member

    bees wax is the bees knees when it comes to rusted nuts, plus smells real nice when ya put some heat on it.
     

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