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Research on Rusty Fasteners (Old Topic Review)


 
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Fuddy Duddy
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Joined: 23 Sep 2009
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PostPosted: Tue Jan 01, 2013 6:34 am    Post subject: Research on Rusty Fasteners (Old Topic Review) Reply to specific post Reply with quote

Looking back right now on page 12 is the below post by Jim in
Eastern North Caro
12-08-2012 14:11:36.

Machinist's Workshop recently published some information on
various penetrating oils. The magazine reports they tested
penetrates for break out torque on rusted nuts. Below listed, a
test was made of all the popular penetrates used on a series of
identical bolts/nuts in a "scientifically rusted" environment.
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 was 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.

Here's what I found. Back when I was getting ready to break free
the old Hercules engine, It had soaked it for a week in MMO.
Then I read the post. So I mixed some ATF and Acetone. Used
the MMO that was in there already as a lubercten to hone and
sand the cylinders. Then I remove all the MMO and added the
Mixture in there. About a 1/4 inch in each cylinder. After about 5
minutes, I had a piece oak cut down to fit the cylinder. So I
thought why not give a few taps to see what happens. This was
the first try at moving the pistons. After a few taps they did
break free. I don't know if it was the MMO or the mixture or just
wasn't stuck as bad as I thought.
But here's the point of my post. I poured the rest of the mixture I
had left in a glass jar 4 inches tall. A few days latter I looked at it
and saw there was a separation line. ATF was on the bottom and
measured 2 3/4. The Acetone was on top with 1 1/4 inches. The
Acetone still has a red tint. Just lighter than the bottom. The test
was done on Breaking Free nuts and bolt. Maybe if you want to
long term soak rings in a cylinders you might want to go with a 2
to 1 mixture. Just my observation and thought. Test it yourself.
Jim I hope you don't mind my copying your post.
 
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Hobo,NC
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PostPosted: Tue Jan 01, 2013 7:40 am    Post subject: Re: Research on Rusty Fasteners (Old Topic Review) Reply to specific post Reply with quote

I have never noticed separation BUT do add some Diesel to the mix...

I have not loaded this tool up yet just got 2 of'em for the shop..



http://www.amazon.com/Vaper-Spot-Sprayer-Non-Aerosol-Model/dp/B0035FH906
 
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old
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Joined: 12 Mar 2000
Posts: 56990
Location: Lake of the Ozarks area of MO

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PostPosted: Tue Jan 01, 2013 9:12 am    Post subject: Re: Research on Rusty Fasteners (Old Topic Review) Reply to specific post Reply with quote

I never use acetone but I do use ATF ALL the time. I even have a pump oil can that I keep full of ATF for nuts and bolts etc and that works great. MMO is very close to the same as ATF just smells a lot better but cost a guy 3 times more then the ATF does
 
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Jim in Eastern North Caro
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PostPosted: Tue Jan 01, 2013 9:49 am    Post subject: Re: Research on Rusty Fasteners (Old Topic Review) Reply to specific post Reply with quote

Consider it a compliment to be referenced or copy'ed. I use a very old metal oiler with a trigger and nozzle, and I'm not surprised that you see a separation of these two liquids in a clear jar. And since acetone has a higher vapor presssure than ATF, I expect it also evaporates over a few days/weeks, accounting for your observation. I just shake my oiler and add some acetone every now and then. Good stuff!!!
 
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