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#1922035 - 09/29/15 07:17 PM Best rust penetrant?
McCandlessboy Offline
super stock

Registered: 12/01/04
Posts: 849
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!

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#1922037 - 09/29/15 07:24 PM Re: Best rust penetrant? [Re: McCandlessboy]
crabman173 Offline
master

Registered: 01/01/06
Posts: 3852
Loc: Big Lick , North Carolina
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
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#1922041 - 09/29/15 07:35 PM Re: Best rust penetrant? [Re: McCandlessboy]
RSNOMO Offline
Moparts Torchbearer

Registered: 04/19/12
Posts: 18880
Loc: -
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...)

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#1922044 - 09/29/15 07:38 PM Re: Best rust penetrant? [Re: crabman173]
B5 Bee Offline
master

Registered: 02/28/03
Posts: 8020
Loc: Pangaea
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.

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#1922120 - 09/29/15 09:09 PM Re: Best rust penetrant? [Re: McCandlessboy]
ademon Offline
master

Registered: 09/06/04
Posts: 6895
Loc: IL, Aurora
Kroil

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#1922128 - 09/29/15 09:19 PM Re: Best rust penetrant? [Re: McCandlessboy]
autoxcuda Offline
Too Many Posts

Registered: 01/20/03
Posts: 26051
Loc: So Cal
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.



Attachments
image.jpeg




Edited by autoxcuda (09/29/15 09:48 PM)
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#1922169 - 09/29/15 09:55 PM Re: Best rust penetrant? [Re: crabman173]
nutso suave Offline


Registered: 01/20/03
Posts: 11327
Loc: delivering your oil
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.
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#1922256 - 09/30/15 12:05 AM Re: Best rust penetrant? [Re: nutso suave]
RSNOMO Offline
Moparts Torchbearer

Registered: 04/19/12
Posts: 18880
Loc: -
Originally Posted By nutso suave
and it doesn't smell like cancer (PB Blast'r).



Dam...

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


Attachments
BCC-PB101!MESCO-1417.jpg



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#1922272 - 09/30/15 02:47 AM Re: Best rust penetrant? [Re: McCandlessboy]
kentj340 Offline
pro stock

Registered: 03/04/11
Posts: 1360
Loc: Houston
"Homemade Penetrating Fluid, How to Make Your Own" with unscientific test showing better than store bought.

https://www.youtube.com/watch?v=2WuVBFTzoKc
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#1922276 - 09/30/15 03:00 AM Re: Best rust penetrant? [Re: McCandlessboy]
451Mopar Offline
master

Registered: 05/19/08
Posts: 5032
Loc: Aurora, Colorado
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?

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#1922330 - 09/30/15 07:55 AM Re: Best rust penetrant? [Re: McCandlessboy]
McCandlessboy Offline
super stock

Registered: 12/01/04
Posts: 849
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!

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#1922352 - 09/30/15 08:39 AM Re: Best rust penetrant? [Re: kentj340]
ademon Offline
master

Registered: 09/06/04
Posts: 6895
Loc: IL, Aurora
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.

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#1922358 - 09/30/15 08:47 AM Re: Best rust penetrant? [Re: ademon]
GomangoCuda Offline


Registered: 01/21/03
Posts: 3528
Loc: N.E. Ohio
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#1922365 - 09/30/15 08:56 AM Re: Best rust penetrant? [Re: McCandlessboy]
cogen80 Offline
master

Registered: 11/21/07
Posts: 5336
Loc: the house on the left.
Kroil is the best i have used. decent results with pb blaster too.

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#1922407 - 09/30/15 09:57 AM Re: Best rust penetrant? [Re: crabman173]
justinp61 Offline
master

Registered: 10/01/03
Posts: 9766
Loc: W. Kentucky
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.

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#1922490 - 09/30/15 12:42 PM Re: Best rust penetrant? [Re: McCandlessboy]
74RALLYE Offline
top fuel

Registered: 01/20/03
Posts: 1604
Loc: A certified culture free zone.
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.

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#1922499 - 09/30/15 12:51 PM Re: Best rust penetrant? [Re: McCandlessboy]
DaytonaTurbo Offline


Registered: 02/26/03
Posts: 21032
Loc: Manitoba, Canada
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.

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#1922506 - 09/30/15 01:00 PM Re: Best rust penetrant? [Re: DaytonaTurbo]
autoxcuda Offline
Too Many Posts

Registered: 01/20/03
Posts: 26051
Loc: So Cal
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
www.cpwclub.com
500+ show cars, 200+ swap, manf. midways
Malibu Cruise, Cruise-In
Free Spectator Admission!

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#1922525 - 09/30/15 01:33 PM Re: Best rust penetrant? [Re: McCandlessboy]
JohnRR Offline
I Win

Registered: 01/20/03
Posts: 73560
Loc: U.S.S.A.
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.
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#1922539 - 09/30/15 01:53 PM Re: Best rust penetrant? [Re: McCandlessboy]
therocks Offline
Its Lost

Registered: 01/20/03
Posts: 19465
Loc: 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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