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What's the best
penetrating oil?
Machinist's Workshop magazine
tested penetrates for break out torque on rusted nuts. 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. 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.
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