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Old 07-24-2017, 01:36 PM   #27
Join Date: Jun 2013
Location: cowtown
Posts: 990
Re: Stripped Pinch Bolt

Originally Posted by Crew Chief View Post
I like the ATF/Acetone concoction too, although in practice I tend to grab whatever is handy.
Something very similar is marketed under the name AEROKROIL.. Works like magic on stuck hardware..

For All of you Mechanic's and Self doer’s out there.
Penetrating Oil - interesting
This was in one of the Military Vehicle Club newsletters

Here is an interesting finding on Penetrating Oils
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
(ATF)/Acetone mix (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.

NOTE: I can't personally vouch for the results, 'cause I haven't read the magazine or tried it yet.

Last edited by jetdr21; 07-24-2017 at 01:43 PM.
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