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Top rated penetrating oil

cmayna

cmayna

DILLIGARA?
Donator
Saw this comment while snooping in another forum. I have alway heard about the ATF/ACE combination. Maybe that's why I have a bottle of it in my shop at home? But still, it's an interesting comparison between the top oils.

In a thread in the antique machinery forum, there was a discussion what to use to free up a part. Southbendmodel34 had mentioned a study in Machinist Workshop stating that Automatic transmission fluid and Acetone mixed was the best. I just received a newsletter today from Tim Carter mentioning the same study. He had included the results of the test, which I thought interesting.

A study done by Machinist's Workshop magazine in their April 2007 issue looked at different penetrating oils to see which one did the best job of removing a rusted bolt by measuring the pounds of torque required to loosen the bolt once treated. If the study was scientifically accurate, it turns out a home brew works best!
Here's the summary of the test results:

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
Click to expand...
 
I've used Kroil for some time, works great. Gets rid of crap left in gun barrels too!
 
I'm a Kroil fan. I started using Aerokroil over 30 years ago i the machine shop to protect freshly ground tools and to protect my vise and parallels after wet surface grinding parts. Good stuff. I will mix up some ATF and acetone and give it a try.
 
I have some rusty stuff to tear into tomorrow. I also happen to have some ATF and some acetone handy. Hmmmmm..... :confu I just may have the makings of a personal test!!!
 
"manley" said:
Do you need a special bottle so the acetone doesn't start breaking it down?
Click to expand...

You can store it in a fignernail polish remover bottle :yah
 
Speaking of, gtscode nor I could break loose the 4 screws that hold the driver's side rear latch assembly in his car, so I got out my AFT/ACE mix and dripped some onto the 4 bolts twice in about 3 hours. I was very worried that I was going to need to use some heat or a more rugged impact wrench.

But to my surprise, using my battery powered Ryobi impact wrench with lots of pressure, all 4 bolts came out with very little effort.

So :thu to AFT/ACE mix.







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