Author Topic: The Best Penetrate for stuck parts I've ever used  (Read 298 times)

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Offline treetrucker

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The Best Penetrate for stuck parts I've ever used
« on: April 22, 2014, 07:18:51 am »
 I read about this on another repair forum and I've never had any other product work like this does. Mix equal parts of Transmission fluid and Acetone and put in a wood glue type bottle with an opening tip on it. This type of bottle is fairly air tight and once mixed with the tranny fluid evaporation isn't a problem. It really works great, no more PB Blaster or liquid wrench for me.

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Offline mdavlee .

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Re: The Best Penetrate for stuck parts I've ever used
« Reply #1 on: April 22, 2014, 08:19:15 am »
Yep that stuff works great.

Offline Cut4fun .

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Re: The Best Penetrate for stuck parts I've ever used
« Reply #2 on: April 22, 2014, 02:01:49 pm »
Here is some info I dug up in 2011 on testing. Penetrating oils tested

Copy pasted 1st post from thread.

Does this sound right to you guys?

Machinist's Workshop magazine tested penetrants for break out torque on rusted nuts with significant results!

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 (obviously a BIG nut!).

Penetrating oil ...... Average torque


        None ....................... 516 ft lbs


        WD-40 ................... 238 ft lbs


        PB Blaster .............. 214 ft lbs


        Liquid Wrench ..... 127 ft lbs


        Kano Kroil ............. 106 ft lbs


        ATF-Acetone mix....53 ft lbs


        The ATF-Acetone mix was a "home brew" mix of 50 - 50 automatic
        transmission fluid and acetone. Note the "home brew" was better than any
        commercial product in this one particular test. Our local machinistgroup mixed up a batch and we all now use it with equally good results.


        Note also that "Liquid Wrench" is about as good as "Kroil" for about 20%
        of the price.

       Another method to try when 'nothing works' is to heat the nut up with a torch to almost red hot, apply Bee's Wax to the threads and base of the nut, let it sit for about 30 min then remove the nut.  If this doesn't work, get a nut cracker or a hacksaw !  A trick I learned from Dugan that had been around and passed it on to us.  We used this method to remove big safety valve nuts that had not been removed for almost 24 years when nothing else worked. BO

        Happy knuckle busting !

Copy and pasted from a email my dad sent me.

Offline Al Smith

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Re: The Best Penetrate for stuck parts I've ever used
« Reply #3 on: April 22, 2014, 08:07:58 pm »
I had heard about it but never tried it myself .I will though because acetone and tranny fluid I have in abundance.

Offline pete

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Re: The Best Penetrate for stuck parts I've ever used
« Reply #4 on: April 24, 2014, 10:05:48 pm »
would the atf and acetone mix cause any problems if poured into a locked up bike  Only reason she locked up was being put into storage under an old tarp. Motor in question is 1975 XL honda 350 single


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