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#1
26-05-10, 01:46
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Penetrating Oil
Machinist Workshop magazine recently tested penetrating oils for break-out torque on rusted nuts. They "scientifically rusted" a bunch of nuts, treated them with various penetrants, and then measured the torque it took to remove them. Here are the results:
- Nothing__________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 that the "home brew" was better than any commercial product.
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Every twenty minute job is one broken bolt away from a three day ordeal. 
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