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Old 04-03-2010, 05:09 PM   #1
FourOnTheFloor65
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Default Penetrating oil comparison

Well this is sort of tool related so I figured this forum would be a good place to put it. I found a great penetrating oil comparison from Bob Is The Oil Guy's site. They tested several of the more popular products (WD-40, PB Blaster, Liquid Wrench, Kano Kroil) and a home brew made from ATF and Acetone.

I have always used PB Blaster, but I have recently been considering ordering some Kano Kroil. My friend, who works at an aircraft composites lab and machine shop has been raving about it. I have also heard a lot of local gurus talk about home brews using a solvent and some kind of oil. I didn't realize just how good the home brew can be. Here is the comparison...

http://www.bobistheoilguy.com/forums...Number=1433151
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Last edited by FourOnTheFloor65; 04-04-2010 at 05:35 AM.
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Old 04-03-2010, 06:06 PM   #2
razrielle
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Makes me wonder how long it was soaked for, and what the price per oz difference between them
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Old 04-05-2010, 10:41 AM   #3
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WOW, these guys are oil dorks. I think I learned more about oils in 5 minutes reading their forums, then 7 years on NASIOC LOL.

<---off to read more about oil.
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Old 04-05-2010, 01:31 PM   #4
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LPS makes a pretty good penetrant as well
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Old 04-06-2010, 12:12 AM   #5
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I'm a believer in Kroil. Though a shopmate has brought in a couple cans of stuff by BG (Barry Grant, or carb guys?) that seems to work better......I forget the name of the stuff at the moment. We get alot of use from our penetrating oils up here in the land of orange barrels and salt.....

Jay
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Old 04-06-2010, 12:31 AM   #6
XanRules
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I always knew Liquid Wrench was better than PBlaster.
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Old 04-06-2010, 02:24 AM   #7
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GM rust penetrant and inhibitor heat valve lubricant #1052627 is also one of the better things you can spend $$$ on
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Old 04-06-2010, 08:28 AM   #8
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Wurth Rostoff is pretty good as it the Loctite freeze spray with penetrating oil in the mix as it also in conjunction with a heat gun will use expansion and contraction to free stuck components.
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Old 04-07-2010, 12:16 AM   #9
afohlin
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good to know that PB Blaster actually does work better than just WD-40, but its pretty amazing a simple acetone-atf mix is so much better
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Old 04-07-2010, 12:40 AM   #10
FourOnTheFloor65
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Quote:
Originally Posted by coxy View Post
Wurth Rostoff is pretty good as it the Loctite freeze spray with penetrating oil in the mix as it also in conjunction with a heat gun will use expansion and contraction to free stuck components.
Liquid Wrench used to make a freeze spray with a penetrating oil in it, too. It was terrible. It seemed like you had to use half the can for one stuck bolt. The Loctite stuff might be better though, I don't know.


Uncle Scotty: Do most dealers carry that GM stuff at the parts counter, or does it usually need to be ordered? What's the cost on it? I might give it a try next time. GM seems to have a history of creating fluids to solve some of their quality/engineering issues (synchromesh). It makes sense that they would make a good rust eating oil. Next they need to make an interior spray that makes the materials, fit, and finish magically not suck.

Last edited by FourOnTheFloor65; 04-07-2010 at 12:56 AM.
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Old 04-07-2010, 01:42 AM   #11
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Quote:
Originally Posted by FourOnTheFloor65 View Post
Liquid Wrench used to make a freeze spray with a penetrating oil in it, too. It was terrible. It seemed like you had to use half the can for one stuck bolt. The Loctite stuff might be better though, I don't know.


Uncle Scotty: Do most dealers carry that GM stuff at the parts counter, or does it usually need to be ordered? What's the cost on it? I might give it a try next time. GM seems to have a history of creating fluids to solve some of their quality/engineering issues (synchromesh). It makes sense that they would make a good rust eating oil. Next they need to make an interior spray that makes the materials, fit, and finish magically not suck.
it is available at the parts counter....it is quite $$$ at ~$11/can.....BUT

I know a subaru master mechanic who swears by the stuff......and it has done some things that left us

it managed to penetrate a rusted to hell lateral link bolt on an old 99 RS within about 20 or 30 minutes.....got that bolt out without torching it or cutting it....after EVERYTHING had been tried---it was quite seized, no doubt

Quite shocking

if the local gm dealer haddnt closed up I'd have a can right now....now the closest GM dealer is ~15 miles


as far as the rest of that....
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Old 04-11-2010, 09:06 AM   #12
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I use AD3000 its not expensive and works wonders on seized bolts and any type of mechanical mechanisms
Doors, latches.
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Old 04-11-2010, 10:58 AM   #13
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has any body ever tried LPS fluid? I have used it for a long time in my machine shop, it does wonders soaking on rust and protecting parts that have just been machined. I use particularly the LPS 2, however the kb88 is good stuff too.

http://www.lpslabs.com/product_pg/lu...Lubricant.html
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Old 04-11-2010, 06:34 PM   #14
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GM heat valve has worked more wonders than any penetrating oil I have ever seen! we use it almost exclusively at our shop
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Old 04-11-2010, 06:50 PM   #15
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kroil is awesome. i have a gallon can in my shed, love it. it is the best penetrating oil i have ever used.
i still use pb blaster most of the time.
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Old 04-11-2010, 10:06 PM   #16
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im always kinda surprised that wd-40 is sold and marketed as a penetrating oil, its not bad for that task even though it is meant as a water dispersment.
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Old 04-12-2010, 01:33 AM   #17
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Quote:
Originally Posted by dan az View Post
im always kinda surprised that wd-40 is sold and marketed as a penetrating oil, its not bad for that task even though it is meant as a water dispersment.
wd-40 is **** for just about anything but drying wet electrics/ignitions and getting **** off paint and glass...and maybe the squeaky bathroom door hinge

I always liked the liquid wrench for 'buy it anywhere' penetrant

but that GM stuff is and when I get around to getting a can or 2....it will in my box along with LPS2 and Neo HP800 grease(THE BEST EVER) as the MUST HAVE stuff
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Old 06-05-2010, 09:19 PM   #18
SubaruImpreza_power
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I have to try kroil when my PB blaster runs out.. I hear some good stuff about it.
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Old 06-06-2010, 11:04 PM   #19
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My brother is an aircraft mech. and swears by kroil. I'll have to get some one of these days and post back on how well it does.
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Old 06-07-2010, 12:13 PM   #20
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Liquid wrench is better than pb blaster? Never would have guessed.
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Old 06-07-2010, 12:29 PM   #21
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seems like everything else but WD-40 is better then PB blaster?
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Old 06-08-2010, 09:39 AM   #22
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ATF-Acetone mix

Cheap, effective, looovveeee the smell.

On a side note: I have also used a product made by Castle called Thrust. I use to own/work on a 4Runner (rusty POS) and this product did well for the hard to reach places. It comes out as a foam so it really sticks to where you shoot it, instead of bleeding/dripping off like PB Blaster/WD-40.
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Old 06-08-2010, 10:03 AM   #23
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^ Does Kroil drip?
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Old 07-02-2011, 04:48 PM   #24
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Strike Force is the best thing I have ever used.

It was made for the military for guns. All I have to say is try it out.
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Old 07-02-2011, 09:33 PM   #25
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I usually use pb blaster. It does pretty good on rusted under car components that go through winter conditions That and a few taps with a mallet as well and its usually apart. Have had instances where it has not worked though. Think im going to brew up some home mix ATF/acetone and try that out next time. Good find on the testing of penetrating chemicals.
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