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@VanUden
Thought the following might be useful for some of the more mechanically minded on here:
This information comes from another group and, as yet, I am unable to
find the article to read it carefully. I can vouch for Kroil as seeming
superior for the task. Peoria based Caterpiller uses it exclusively and
how I learned of it.
Machinist's Workshop magazine tested penetrants for break out torque on
rusted nuts. They arranged a subjective test of all the popular
penetrants with the control being the torque required to remove the nut
from a "scientifically rusted" environment. The results are as follows:
Penetrating oil..... Average load
None ............
......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.