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  #11  
Old 02-18-2013
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Re: Favorite penetrating oil that DOESN'T STINK!

ATF? Does it matter which type?

I'm just wondering what they used for tests. On old rusted bolts, I've never seen WD40 work the same way the PBlaster does. And, of course, you have to lay in Kroil a week or two before you need it, mail order only.
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Old 02-18-2013
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Re: Favorite penetrating oil that DOESN'T STINK!

In answer to the OP question

They ALL stink (smell horrible)

Most of them work, I find PBB works best for me after using WD40 and LW.
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Old 02-18-2013
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Re: Favorite penetrating oil that DOESN'T STINK!

I haven't read the article, but from the table provided I have a serious problem with it. "Nothing" works better than everything listed other than ATF? My 50 years of monkey wrenching begs to differ if I'm interpreting this correctly. Maybe it explains it in the details.

PB seems to give the most consistent results from my experience. Plain old #2 diesel is a close second IMO.

All but WD40 stink, and it doesn't work (for loosening rusted parts).
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Old 02-18-2013
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Re: Favorite penetrating oil that DOESN'T STINK!

Quote:
Originally Posted by Fstbttms View Post
The April/May 2007 edition of Machinist's Workshop did a test of penetrating oils where they measured the force required to loosen rusty test devices. Buy the issue if you want to see how they did the test. The results reported were interesting. The lower the number of pounds the better. Mighty interesting results for simple acetone and tranny fluid!

Penetrating oil . Average load .. Price per fluid ounce
None .................. 516 pounds .
WD-40 .............. 238 pounds ... $0.25
PB Blaster ......... 214 pounds .. $0.35
Liquid Wrench ... 127 pounds .. $0.21
Kano Kroil ........ 106 pounds .. $0.75
ATF-Acetone mix.. 53 pounds .. $0.10

The ATF-Acetone mix was a 50/50 mix (1 to 1 ratio).
I saw this a few weeks ago and was surprised that PB Blaster wasn't much better than WD-40. Since I don't want to mix my own, the next time I go to the hardware, I'm getting a can of Liquid Wrench for my toolbox. Seems to be the best bang for my buck.
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Old 02-18-2013
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Re: Favorite penetrating oil that DOESN'T STINK!

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Originally Posted by jrd22 View Post
I haven't read the article, but from the table provided I have a serious problem with it. "Nothing" works better than everything listed other than ATF?
You're misreading the table, I think.
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Old 02-18-2013
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Re: Favorite penetrating oil that DOESN'T STINK!

Quote:
Originally Posted by DannyboyUpstate View Post
The thing about penetrating oil is that it's designed to break rusted parts apart. Not leave a pleasing aromatic fragrance.

Also, Kroil does not smell like Simple Green.
Somebody switch your morning coffee with decaf?

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Old 02-18-2013
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Quote:
Originally Posted by MedSailor View Post
Somebody switch your morning coffee with decaf?

MedSailor
Nope, just hear customers complain about smells of things all the time.
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Old 02-18-2013
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Re: Favorite penetrating oil that DOESN'T STINK!

Quote:
Originally Posted by Fstbttms View Post
The April/May 2007 edition of Machinist's Workshop did a test of penetrating oils where they measured the force required to loosen rusty test devices. Buy the issue if you want to see how they did the test. The results reported were interesting. The lower the number of pounds the better. Mighty interesting results for simple acetone and tranny fluid!

Penetrating oil . Average load .. Price per fluid ounce
None .................. 516 pounds .
WD-40 .............. 238 pounds ... $0.25
PB Blaster ......... 214 pounds .. $0.35
Liquid Wrench ... 127 pounds .. $0.21
Kano Kroil ........ 106 pounds .. $0.75
ATF-Acetone mix.. 53 pounds .. $0.10

The ATF-Acetone mix was a 50/50 mix (1 to 1 ratio).

Please be advised that acetone will attack many plastics to destruction. You don't want acetone in contact with polyester bonded fibreglass or you may find that your plastic boat is now feeling more like putty or rubber where the acetone touched it.

I know that several other penetrating oils will also attack plastic as I once saw a fellow try to borrow a "cup" of Kroil. His styrene foam cup dissolved before he could get it three steps away.

The very properties which make penetrants work through layers of old paint and accumulated congealed grease make them vicious when contacting many plastics.

I would not let any of these products touch any important rubber, paint, wood or plastic as most of them will be damaged sooner or later by the exposure.

Be safe!
O'

p.s. Click the link for Main Sail's $800 PB Blaster tale of woe! PB Blaster/Penetrating Oil WARNING !!

Last edited by OPossumTX; 02-18-2013 at 05:00 PM.
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Old 02-18-2013
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Re: Favorite penetrating oil that DOESN'T STINK!

Well Ship! On the advice of my mechanic I sprayed it liberally all over the engine and transmission.

Now what should I do? Is there something even more toxic I can use to fix the problem? i.e. the two wrongs making a right theory? Should I just mop it all up and hope for the best?

Why is it every time I hire an "expert" for my boat something bad happens....

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Old 02-18-2013
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rofl

Hey Med,

Ever hear of the phrase "first world problems" ? We should coin a new term: "big boat problems."

I think you should sell the yanmar, and downsize till your boat can be adequately pushed by a 2-stroke johnson.

Till then I'm running out to buy some atf and acetone. Boy, what can'tcha learn on SN!
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