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Kroil compared to PB Blaster #4374785
04/08/17 03:59 PM
04/08/17 03:59 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline OP
Merkava_4  Offline OP
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Is Kroil anything like PB Blaster ? I've heard good reviews on Kroil, but I don't like PB Blaster's smell or the way it burns my skin if I get some splashed on me.

Re: Kroil compared to PB Blaster [Re: Merkava_4] #4374791
04/08/17 04:17 PM
04/08/17 04:17 PM
Joined: Aug 2008
Posts: 3,172
USA
Reddy45 Offline
Reddy45  Offline
Joined: Aug 2008
Posts: 3,172
USA
Kroil is a lot less harsh for sure. It doesn't really seem like an oil as much as it is a lubricated solvent if that makes sense.

Both are supposed to creep into corrosion and loosen fasteners but I haven't witnessed anything magical from either product. PB Blaster is ok because it's widely available, whereas Kroil seems like mail order for most people.

I usually resort to heat for stuck fasteners and in that case it's hard to say if the penetrating oil was responsible or the heat was.

I wouldn't go out of my way to buy Kroil if that's what you're asking.

Re: Kroil compared to PB Blaster [Re: Merkava_4] #4374792
04/08/17 04:17 PM
04/08/17 04:17 PM
Joined: Jul 2005
Posts: 30,458
NY
demarpaint Offline
demarpaint  Offline
Joined: Jul 2005
Posts: 30,458
NY
Having tried both I like Kroil better. With regard to smell, it is hard to describe, not overly strong, but not very nice either. I can't comment about getting it on my skin, I wear gloves and don't recall ever accidentally splashing myself with it.


God Bless Our Troops

Re: Kroil compared to PB Blaster [Re: Merkava_4] #4374817
04/08/17 04:49 PM
04/08/17 04:49 PM
Joined: Mar 2004
Posts: 20,763
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,763
Upstate NY
I sent in a comment to the PB Blaster company and they sent me a case of the stuff for pointing out an error on the label.

I have most of the case left and I am 64.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Kroil compared to PB Blaster [Re: Donald] #4374821
04/08/17 04:55 PM
04/08/17 04:55 PM
Joined: Nov 2009
Posts: 4,945
Houston, Texas
motor_oil_madman Offline
motor_oil_madman  Offline
Joined: Nov 2009
Posts: 4,945
Houston, Texas
Originally Posted By: Donald
I sent in a comment to the PB Blaster company and they sent me a case of the stuff for pointing out an error on the label.

I have most of the case left and I am 64.


Yeah it isn't used much, but it is great for lubing up sticky padlocks.


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: Kroil compared to PB Blaster [Re: Merkava_4] #4374851
04/08/17 05:47 PM
04/08/17 05:47 PM
Joined: Feb 2003
Posts: 7,444
Jupiter, Florida
Cujet Offline
Cujet  Offline
Joined: Feb 2003
Posts: 7,444
Jupiter, Florida
I use both, I've had better results with Kroil.

Quote: "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"


People who count on their fingers should maintain a discreet silence.
Re: Kroil compared to PB Blaster [Re: Merkava_4] #4374876
04/08/17 06:25 PM
04/08/17 06:25 PM
Joined: Apr 2012
Posts: 2,591
West Michigan
buck91 Offline
buck91  Offline
Joined: Apr 2012
Posts: 2,591
West Michigan
My anecdotal experience reflects the above chart with both the LW and kroil performing heads and tails better than any other penetrany I've personally used. That includes pd blaster.

Haven't tried the atf acetone mix but I do use m1 atf as a general purpose oil frequently and with great results.


2011 F150 4x4 5.0L
1996 Mustang GT 5spd/ragtop
Re: Kroil compared to PB Blaster [Re: Merkava_4] #4374946
04/08/17 08:14 PM
04/08/17 08:14 PM
Joined: Apr 2012
Posts: 5,168
MA
Wolf359 Offline
Wolf359  Offline
Joined: Apr 2012
Posts: 5,168
MA
Kroil has a buy one get one free offer so you can get two cans for $13.50 plus shipping which isn't too bad.

Re: Kroil compared to PB Blaster [Re: demarpaint] #4375001
04/08/17 09:18 PM
04/08/17 09:18 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline OP
Merkava_4  Offline OP
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Originally Posted By: demarpaint
I can't comment about getting it on my skin, I wear gloves and don't recall ever accidentally splashing myself with it.


I've had it bounce back and hit me in the face while spraying it. Good thing I had my safety glasses on.

The stuff stings like floor wax stripper. I'm thinking if it has that much acid in it, it can't possibly be safe for leaving on metal long term.

Re: Kroil compared to PB Blaster [Re: Merkava_4] #4375088
04/08/17 11:21 PM
04/08/17 11:21 PM
Joined: Jul 2011
Posts: 965
Missouri
cb_13 Offline
cb_13  Offline
Joined: Jul 2011
Posts: 965
Missouri
I have not used Kroil. The best product I have used for getting loose stuck fasteners is Freeze Off. Works exceptionally well on suspension components.

Re: Kroil compared to PB Blaster [Re: Merkava_4] #4375256
04/09/17 08:45 AM
04/09/17 08:45 AM
Joined: Jul 2005
Posts: 30,458
NY
demarpaint Offline
demarpaint  Offline
Joined: Jul 2005
Posts: 30,458
NY
Originally Posted By: Merkava_4
Originally Posted By: demarpaint
I can't comment about getting it on my skin, I wear gloves and don't recall ever accidentally splashing myself with it.


I've had it bounce back and hit me in the face while spraying it. Good thing I had my safety glasses on.

The stuff stings like floor wax stripper. I'm thinking if it has that much acid in it, it can't possibly be safe for leaving on metal long term.


I hear ya. I bought a quart of it, which will probably last me a lifetime. I also use if for cleaning powder and carbon fouling from rifle barrels. It works quite well, but must be wiped clean and coated with a good gun oil. I agree I wouldn't leave it on metal for long, or use it to protect metal from rusting.


God Bless Our Troops

Re: Kroil compared to PB Blaster [Re: Merkava_4] #4375279
04/09/17 09:12 AM
04/09/17 09:12 AM
Joined: Jan 2011
Posts: 1,035
Columbus Nebraska
old1 Offline
old1  Offline
Joined: Jan 2011
Posts: 1,035
Columbus Nebraska
I want to try the ATF acetone mix. What is the mix ratio?


2017 Nissan Frontier 4.0 5w30
1965 Mustang 200 c/4 10w30 QS defy
1964 Ford Ranchero 302 c/4 15/40 Delo
1929 ford model A No filters, and 15/40 oil
Re: Kroil compared to PB Blaster [Re: Merkava_4] #4379296
04/14/17 09:04 AM
04/14/17 09:04 AM
Joined: Nov 2010
Posts: 2,814
California
Errtt Offline
Errtt  Offline
Joined: Nov 2010
Posts: 2,814
California
I'm sold on Kroil.
Haven't tried it yet in a barrel.... yet

Re: Kroil compared to PB Blaster [Re: Merkava_4] #4380420
04/15/17 07:17 PM
04/15/17 07:17 PM
Joined: Mar 2017
Posts: 119
northwest pa
justintendo Offline
justintendo  Offline
Joined: Mar 2017
Posts: 119
northwest pa
sea foam "deep creep" is an excellent penetrant and lube. will take a small amount of heat as well..i use it on my throttle and clutch cables on motorcycles in a wide variety of temps so it seems to lube well and last ok. i have never tried kroil, but deep creep is way better than blaster.


2013 escape 2.0 awd
2008 fusion 2.3 mtx
1996 f150 4.9 2wd mtx
1999 kaw zrx 1100
many husqvarnas
Re: Kroil compared to PB Blaster [Re: justintendo] #4382766
04/18/17 05:12 PM
04/18/17 05:12 PM
Joined: May 2006
Posts: 300
California
brave sir robin Offline
brave sir robin  Offline
Joined: May 2006
Posts: 300
California
Originally Posted By: justintendo
sea foam "deep creep" is an excellent penetrant and lube. will take a small amount of heat as well..i use it on my throttle and clutch cables on motorcycles in a wide variety of temps so it seems to lube well and last ok. i have never tried kroil, but deep creep is way better than blaster.


+1 on deep creep as a cable and linkage lube.

Out here its very expensive so I use pb blaster on rusty parts because its 1/3rd the price and along with a little bit of heat has never let me down.

deep creep works very well as a gun cleaner/lube
Pb blaster works VERY well on electrical connections


With dreams to be a king, first one should be a man
95 Nissan Pathfinder 5w-30 M1-HM
68 Buick Electra 10w-30 QS Defy
02 Aprilia Falco 15w-40 Rotella
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