[Chrysler300] RE: Penetrating Oils

[Ray Melton <rfmelton@xxxxxxx>]

I have long used the 50/50 acetone/ATF method for easing the removal of
barrels from the receivers of the WWII rifles I often restore.  It's easy to
immerse the receiver/barrel joint in a tall jug like a cut-off Coke bottle
for a few days to let the low viscosity and surface tension of the acetone
carry the ATF lubricant into the joint.  However, I'm not so sure how to
keep the very volatile acetone part of the mix around long enough to be
really effective in a non-immersion situation, like most of our "corroded
nut" applications, especially in a vertical or inverted position.   Any
experiences to share?

 

Ray Melton

 

From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
Behalf Of JettLarry@xxxxxxx
Sent: Wednesday, November 28, 2012 6:47 PM
To: chrysler300@xxxxxxxxxxxxxxx
Subject: [Chrysler300] Fwd: Penetrating Oils

 

  

Find this of great interest and will test it on a well rusted 300K ram
engine in the back yard.

jettlarry@xxxxxxx <mailto:jettlarry%40aol.com>  Larry Jett 510-794 7911
Newark CA

-----Original Message-----
From: Robert Higday <bob.higday@xxxxxxx <mailto:bob.higday%40phc.net> >
Sent: Wed, Nov 28, 2012 1:04 pm
Subject: Penetrating Oils

Just some interesting information to us that still mess around with a wrench
and pliers at times...John

Penetrating Oils 

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

Robert Higday
Redwood Region Webmaster
http://CHVARedwoodRegion.org
bob.higday@xxxxxxx <mailto:bob.higday%40phc.net> 
510-745-7624

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