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Old November 12, 2012, 02:00 PM   #1
Senior Member
Join Date: October 14, 2009
Location: San Diego County
Posts: 712
Stubborn stuck nipples etc

Got this in the mail this morning.

For all of you mechanic's and self doer�s out there. Recently �Machinist Workshop Magazine� did a test on penetrating oils. Using nuts and bolts that they �scientifically rusted� to a uniform degree by soaking in salt water, they then tested the break-out torque required to loosen the nuts. They treated the nuts with a variety of penetrants and measured the torque required to loosen them. This is what they came up with:

Nothing: 516 lbs
WD-40: 238 lbs;
PB Blaster: 214 lbs;
Liquid Wrench: 127 lbs,
Kano Kroil: 106 lbs
Shop brew (50/50): 50 lbs.

This last �Shop brew� of 50% automatic transmission fluid and 50% acetone appears to beat out the commercially prepared products costing far more.
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