Penetrating oil
#1
04-08-2009, 09:03 AM
Penetrating oil
I posted this in the Cool Tips thread at top of the board but I thought I'd post it here for the guys that don't check that thread on a regular basis.
This was posted on the Ford Barn by CapnJohn:
There's been a lot of discussion on this board and other about the best penetrating oil and I thought this was very interesting.
This was posted on the Ford Barn by CapnJohn:
I'm not going to verify or endorse this. Draw your own conclusions.
Happy knuckle busting !
Machinist's Workshop magazine actually tested penetrants for break out torque on rusted nuts. Significant results! They are below, as forwarded by an ex-student and professional machinist, Bud Baker.
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.
*Penetrating oil ..... Average load*
None ..................... 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 the "home brew" was better than any commercial product in this one particular test. Our local machinist group 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.
Happy knuckle busting !
Machinist's Workshop magazine actually tested penetrants for break out torque on rusted nuts. Significant results! They are below, as forwarded by an ex-student and professional machinist, Bud Baker.
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.
*Penetrating oil ..... Average load*
None ..................... 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 the "home brew" was better than any commercial product in this one particular test. Our local machinist group 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.
#3
04-08-2009, 10:56 AM
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04-08-2009, 11:05 AM
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04-08-2009, 12:07 PM
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I wish they had tested Gibbs Brand, I have always heard it was the best and very different than anything else. A few comercial shops I know use it exclusively. It is not cheap though. For bodywork, it can be sprayed on bare metal to keep it from rusting and then painted over. I was introduced to it when looking for a coating to keep polished magnesium wheels from oxidisng, which they will normally do almost before your eyes.
#7
04-08-2009, 01:45 PM
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#8
04-08-2009, 02:03 PM
I wish they had tested Gibbs Brand, I have always heard it was the best and very different than anything else. A few comercial shops I know use it exclusively. It is not cheap though. For bodywork, it can be sprayed on bare metal to keep it from rusting and then painted over. I was introduced to it when looking for a coating to keep polished magnesium wheels from oxidisng, which they will normally do almost before your eyes.
#9
04-08-2009, 06:31 PM
I recently mixed up a batch of approx. 75% Ultra Low Sulfur Diesel and 25% 15-40 motor oil because I ran out of everything else I had at home and didn't feel like going to the parts house. I put it in a little squirt can and to tell you the truth it works better than anything I have bought off the shelf lately.
#10
04-08-2009, 08:35 PM
#11
04-09-2009, 06:26 AM
I should shut up, but Ive been doing this stuff for way to long. My father always
with a bottle of snake oil, me just watching with a torch. Me, I win. Kroil, all the
above, I got it. Now we are rebuilding track rollers (excavator) my kids under there
like grampy with his spray he broke all the bolts. Now I got double the trouble
Heat rules.
with a bottle of snake oil, me just watching with a torch. Me, I win. Kroil, all the
above, I got it. Now we are rebuilding track rollers (excavator) my kids under there
like grampy with his spray he broke all the bolts. Now I got double the trouble
Heat rules.
#12
04-09-2009, 07:08 AM
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