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03-10-2013, 06:38 AM
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#1
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Member
Join Date: Oct 2012
Posts: 29
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Penetrating Oils penetrates for break out torque on rusted nuts.
I recently received this info as an email, and I thought it would be of interest to some of the diehard DIY mechanics.
Here's some info you may find helpful and interesting.
Penetrating Oils Machinist's Workshop Mag recently published some information on various penetrating oils.
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
KanoKroil .................... 106 pounds
ATF*-Acetone mix............53 pounds
The ATF-Acetone mix is a " mix-your-own-brew" -- 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
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03-10-2013, 01:55 PM
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#2
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Senior Member
Join Date: Sep 2008
Location: Thibodaux, LA
Posts: 1,221
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Wow, used to use liquid wrench but got sucked into using PB blaster. Should have just stuck with the old tried and true.
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03-10-2013, 04:31 PM
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#3
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Senior Member
Join Date: Jan 2003
Location: Heartland
Posts: 3,563
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I agree Forest, Wow! Very good information to know. I just sold off a 55 gallon drum of acetone with some other fiberglass equipment and could have made a lifetime supply of penetrating oil.  Actually, I would rather see the day I don't ever have to use the stuff anymore. It always means work! 
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Ken
Previous Owner of 3 Newell's
Wanted: Newell Coach Needing Engine Replacement!
If you want to sell, PM or Private Message me. Thanks!
"I know I’m not perfect, and I don't live to be. But before you start pointing fingers, make sure your hands are clean."
-Bob Marley
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03-10-2013, 05:06 PM
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#4
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Senior Member
Join Date: Dec 2012
Location: Sexsmith Alberta Canada
Posts: 594
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Great info! Ill give it a try, anything to make life easier and cheaper is always a good thing!
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Keith, Krista and Family
77 38' Newell Coach Repowered from Smokin' V555TA To 325hp 8.3 inline 6 cummins, Allison 3000 series trans
87 40' Newell Coach 475hp 8V92 DD(sold)
22' 350hp Jet Riverboat
79 Ford F250 4x4
Many others to list
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03-10-2013, 05:41 PM
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#5
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Senior Member
Join Date: Dec 2005
Location: Southern California
Posts: 1,018
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[TABLE="align: left"]
<tbody>[TR]
[TD="width: 100%, align: left"] A much more important criteria, to me at least, is how long does it take for whatever you use to actually work to allow you to loosen the nut
[/TD]
[/TR]
</tbody>[/TABLE]
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1976 Newell Classic (Sold)
Home Base: Riverside, CA
If anyone needs my contact info private message me and I will send it to you.
-Joseph-
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03-10-2013, 09:33 PM
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#6
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Senior Member
Join Date: Sep 2006
Location: Sugarland, TX or Salida,CO
Posts: 1,867
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Great information thanks for sharing it.
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Sean
If Ain't a Newell, It Ain't Wurt Oonin!
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