This might help someone

[Beekeeper]

Not sure it is strictly legal to reprint.,  but here it is.  Probably won't do anything beyond minor stuff until it warms up from the 12 degrees it was this morning, but I'm going to give this mix a try.


Interesting analysis!

 Penetrating Oils
Machinist's Workshop MagT 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.

[Piute]

         second from bottom tricks n tips
                                       here this will just get lost
                                                       

[Hoko]

What's the shelf life of the ATF/Acetone mix?

[Beekeeper]

I don't know the shelf life.  I will probably only mix a small amount on a per use basis.  I believe it is an organic solvent and not something you want to be bathing in.  Probably also a good idea to check the MSDS