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#542996
Tue Jun 17 2014 07:40 PM
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Joined: Oct 2007
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Another Old Gasser sent me this information, and I thought I'd share it with the rest of you.--------
Machinist's Workshop magazine recently published some information on various penetrating oils that I found very interesting. Some of you might appreciate this. The magazine reports they tested penetrates for break out torque on rusted nuts. They are below, as forwarded by an ex-student and professional machinist. They arranged a subjective test of all the popular penetrates with the control being the torque required to remove the nut from a "scientifically rusted" environment. *Penetrating oils ........... Average torque load to loosen* No Oil used ................... 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 is a "home brew" mix of 50 - 50 automatic transmission fluid and acetone. Note this "home brew" released bolts 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 almost as good as "Kroil" for about 20% of the price. Steve from Godwin-Singer says that ATF-Acetone mix is best, but you can also use ATF and lacquer thinner in a 50-50 mix. *ATF=Automatic Transmission Fluid
Everything Cities Service Specializing in old Gas Pumps kwfrith@gondtc.com Cell#-701-739-6133
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Joined: Sep 2012
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Quart and Liter can relidding and dent removal services.PM for detail and pricing. Collecting Mobil and other graphic quart cans.
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Joined: Jan 2013
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Thanks Kevin. I will put away the WD40 and get the ATF/Acetone mix going. To late for Johnny on the short 39 as he has used the sawzall for his sticky widget.
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Joined: Aug 2013
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Always used kroil ever since using it at the refineries in northern Alberta, good stuff. But I will try the ATF mixture next time. Good info.
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Joined: Dec 2011
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These numbers in that chart are pretty interesting.
Dave GILL, Dave's Garage & Memorabilia, Inc.
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Joined: Feb 2005
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Folks before you get all excited... The Machinist's Workshop article is from 2007... Numerous websites and magazines have run their own trials/experiments...I haven't found one yet, where those that commented had the same results as in Machinist's Workshop magazine...
In fact there was a person who claimed to have written the Machinist's Workshop article and he said that there was a misprint in the magazine and the correct mixture is Power Steering Fluid/Acetone not ATF/Acetone....
Again, I haven't seen even one website that got the same results... Or even close to the same results....
I tried it on the Mustangs... We went back to Kroil....
Looking for Tide Water/ Tide Water-Associated/ Tidewater items
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Joined: Aug 2013
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Thx. very useful. I swear by Liquid wrench but will be experimenting with your ATF mix.
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Joined: Nov 2008
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Out here in the real world, we have been known to substitute ATF for PS and visa-verse. I'm not sure the difference in using lacquer thinner rather than acetone. On its own, acetone evaporates very quickly and cuts resins more effectively than thinner.
Collecting the Mississippi companies: Billups, Southland, Rose Oil,Crystal Oil, Barq's
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