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Best rust penetrant? #1922035
09/29/15 09:17 PM
09/29/15 09:17 PM
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McCandlessboy Offline OP
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My dad is in love with the old mopar spray 0318039AB. I guess the formula has changed, which he doesn't like. Any thoughts what might be a good replacement? He like the foaming aspect of the original.

Thanks!

Re: Best rust penetrant? [Re: McCandlessboy] #1922037
09/29/15 09:24 PM
09/29/15 09:24 PM

C
crabman173
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Kroil is my 80 year old dads favorite
That stuff works!!!
Have to google it and look around --not sure where the heck he gets it but wow! I have seen it do amazing stuff

Re: Best rust penetrant? [Re: McCandlessboy] #1922041
09/29/15 09:35 PM
09/29/15 09:35 PM
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RSNOMO Offline
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Cyclo WAS one of the best in the past...

PB Blaster is what I've been using of late...


(Now I see there's some 'new' stuff out there that contains moly...)

Re: Best rust penetrant? [Re: ] #1922044
09/29/15 09:38 PM
09/29/15 09:38 PM
Joined: Feb 2003
Posts: 8,020
Pangaea
B5 Bee Offline
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I also like Kroil but I bought some Liquid Wrench 5 years ago and it worked as good, maybe better.
Like the Mopar penetrant, it also foamed up.

Re: Best rust penetrant? [Re: McCandlessboy] #1922120
09/29/15 11:09 PM
09/29/15 11:09 PM
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IL, Aurora
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ademon Offline
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Kroil

Re: Best rust penetrant? [Re: McCandlessboy] #1922128
09/29/15 11:19 PM
09/29/15 11:19 PM
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Posts: 26,173
So Cal
autoxcuda Offline
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For all purpose penetrant, lube, and protection...

JB-80 by Justice Brothers

Once you break the bolt loose you need to lube it while unscrewing it or it could break on the way out. Also works great for lubing any metal to metal sliding surfaces and resists water washing it away. In my old job I sold it to huge gate company and their customers would call and Demand JB-80 to maintain their gates

For years we also sold it to many Chrysler dealerships that could have just asked for the Mopar stuff that was also on the shelf.


image.jpeg
Last edited by autoxcuda; 09/29/15 11:48 PM.

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Re: Best rust penetrant? [Re: ] #1922169
09/29/15 11:55 PM
09/29/15 11:55 PM
Joined: Jan 2003
Posts: 11,351
delivering your oil
nutso suave Offline
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Originally Posted By crabman173
Kroil is my 80 year old dads favorite
That stuff works!!!
Have to google it and look around --not sure where the heck he gets it but wow! I have seen it do amazing stuff


Works as good as anything and it doesn't smell like cancer (PB Blast'r). Kroil for the win.

Re: Best rust penetrant? [Re: nutso suave] #1922256
09/30/15 02:05 AM
09/30/15 02:05 AM
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RSNOMO Offline
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Originally Posted By nutso suave
and it doesn't smell like cancer (PB Blast'r).



Dam...

Now, even 'PO' has to be 'PC'???

BCC-PB101!MESCO-1417.jpg
Re: Best rust penetrant? [Re: McCandlessboy] #1922272
09/30/15 04:47 AM
09/30/15 04:47 AM
Joined: Mar 2011
Posts: 1,395
Houston
kentj340 Offline
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"Homemade Penetrating Fluid, How to Make Your Own" with unscientific test showing better than store bought.

https://www.youtube.com/watch?v=2WuVBFTzoKc


If you don't see two dolphins, you need a vacation.
Re: Best rust penetrant? [Re: McCandlessboy] #1922276
09/30/15 05:00 AM
09/30/15 05:00 AM
Joined: May 2008
Posts: 5,082
Aurora, Colorado
451Mopar Offline
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The WD-40 "Specialist" Penetrating oil seems to work pretty good. At least better than the regular WD-40, I would say it is as good as the PB Blaster I normally use?

Re: Best rust penetrant? [Re: McCandlessboy] #1922330
09/30/15 09:55 AM
09/30/15 09:55 AM
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McCandlessboy Offline OP
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I ordered a couple of the recommendations here and will let him try them to see what he thinks. I appreciate the feedback. I collect chrysler's from 57-65, a lot of that stuff hasn't moved in awhile!

Re: Best rust penetrant? [Re: kentj340] #1922352
09/30/15 10:39 AM
09/30/15 10:39 AM
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ademon Offline
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Originally Posted By kentj340
"Homemade Penetrating Fluid, How to Make Your Own" with unscientific test showing better than store bought.

https://www.youtube.com/watch?v=2WuVBFTzoKc

I tried it with non synthetic trans fluid and it wasn't very good, for me at least.

Re: Best rust penetrant? [Re: ademon] #1922358
09/30/15 10:47 AM
09/30/15 10:47 AM
Joined: Jan 2003
Posts: 3,547
N.E. Ohio
GomangoCuda Offline
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Van Roy's Law: An Unbreakable Toy Is Useful For Breaking Other Toys.
Re: Best rust penetrant? [Re: McCandlessboy] #1922365
09/30/15 10:56 AM
09/30/15 10:56 AM
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Posts: 5,336
the house on the left.
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cogen80 Offline
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Kroil is the best i have used. decent results with pb blaster too.

Re: Best rust penetrant? [Re: ] #1922407
09/30/15 11:57 AM
09/30/15 11:57 AM
Joined: Oct 2003
Posts: 9,921
W. Kentucky
justinp61 Offline
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Originally Posted By crabman173
Kroil is my 80 year old dads favorite
That stuff works!!!
Have to google it and look around --not sure where the heck he gets it but wow! I have seen it do amazing stuff



iagree Works for me too.

Re: Best rust penetrant? [Re: McCandlessboy] #1922490
09/30/15 02:42 PM
09/30/15 02:42 PM
Joined: Jan 2003
Posts: 1,609
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Everything works to some degree, but Kroil is the best I've seen.
We tested it at work by letting collars rust up on steel shafts for 3 months. 5 penetrants were tested and the Kroil won.

Re: Best rust penetrant? [Re: McCandlessboy] #1922499
09/30/15 02:51 PM
09/30/15 02:51 PM
Joined: Feb 2003
Posts: 21,251
Manitoba, Canada
DaytonaTurbo Offline
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I've been using PBlaster for several years. But heard nothing but good things about Kroil from a couple guys around town who swear by it.

Re: Best rust penetrant? [Re: DaytonaTurbo] #1922506
09/30/15 03:00 PM
09/30/15 03:00 PM
Joined: Jan 2003
Posts: 26,173
So Cal
autoxcuda Offline
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Originally Posted By DaytonaTurbo
I've been using PBlaster for several years. But heard nothing but good things about Kroil from a couple guys around town who swear by it.


When we sold JB-80 to a PBlaster user, they never went back.

JB-80 just isn't in Home Depot or Pep Boys, etc. We primarily sold it to industrial accounts, dealerships, and repair shops.


Spring Fling 33
April 13 & 14, 2019
Woodley Park, Van Nuys CA
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Malibu Cruise, Cruise-In
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Re: Best rust penetrant? [Re: McCandlessboy] #1922525
09/30/15 03:33 PM
09/30/15 03:33 PM
Joined: Jan 2003
Posts: 73,560
U.S.S.A.
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JohnRR Offline
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Funny , we had Kroil at work and I was less than impressed with it, we also had a penetrant called GLOBO and it was the best I have used ... I still have a couple of cans stashed here at work. At home I use PB with very good results.

That said I just ordered a gallon can of Kroil because I picked up a WW2 USP Colt in original condition and it has been recommended to soak it in kroil to clean up the PATINA it has before oil it down for storage.


running up my post count some more .
Re: Best rust penetrant? [Re: McCandlessboy] #1922539
09/30/15 03:53 PM
09/30/15 03:53 PM
Joined: Jan 2003
Posts: 19,678
Niles , Ohio
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therocks Online content
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Niles , Ohio
We used PB at work along with Castle for years.PB you can just about use water.Ive been using the WD40 penetrant thats new.Works good so far.We did use Zep at work and it was fantastic.It had teflon in it and beat all others we used in 30 years.Rocky


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