[Cortina-list] Penetrating oils

Fionn O'Neill fionn at kleenblast.com
Tue Dec 18 20:52:19 UTC 2012


Coke works a treat. 



Fionn 


-----Original Message-----
From: Cortina-list [mailto:cortina-list-bounces at lotus-cortina.com] On Behalf
Of John Ayton
Sent: Tuesday, December 18, 2012 12:13 PM
To: cortina-list at lotus-cortina.com
Subject: Re: [Cortina-list] Penetrating oils

Thanks Don, excellent information

The home brewed penetrating oil we used back in the day (Pre WD40) was
50/50 diesel/kerosene. I don't know how it would compare with the break-out
torque test listed here.
On Tue, Dec 18, 2012 at 11:39 AM, Don & Terry Gwynne
<dgwynne3 at tx.rr.com>wrote:

> Forwarded from Rod Davis...
>
> Machinist's Workshop magazine recently published  interesting 
> information on various penetrating oils.  They 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.
> >
> >
> > Penetrating oils ........... Average torque load to loosen
> >
> >
> >
> > No Oil used ...................516 pounds
> >
> > WD-40 ..................... ... 238 pounds
> >
> > PB Blaster .................... 214 pounds
> >
> > Liquid Wrench ...............127 pounds
> >
> > Kano Kroil .................... 106 pounds
> >
> > ATF*-Acetone mix............53 pounds     *ATF=Automatic Transmission
> Fluid
> >
> >
> > The ATF-Acetone mix is a "home brew" mix of 50 - 50 automatic
> transmission fluid and acetone. Note this "home brew" released bolts 
> better than any commercial product in this one particular test.  Note 
> also that "Liquid Wrench" is almost as good as "Kroil" for about 20% of
the price.
> >
> > ATF-Acetone mix is best, but you can      also use ATF and lacquer
> thinner in a 50-50 mix.
> >
> > Happy wrenching
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