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Undercoat pickup #6984161
09/06/20 02:08 PM
09/06/20 02:08 PM
Joined: Mar 2008
Posts: 3,445
n.e, iowa
C
coonman220 Offline OP
trapper
coonman220  Offline OP
trapper
C

Joined: Mar 2008
Posts: 3,445
n.e, iowa
Never had my 2010 undercoat when bought new. Rust is setting. In, is undercoating do any good at this point ? Could go Walmart. An buy some

Re: Undercoat pickup [Re: coonman220] #6984162
09/06/20 02:23 PM
09/06/20 02:23 PM
Joined: Feb 2010
Posts: 10,615
pa
H
hippie Offline
trapper
hippie  Offline
trapper
H

Joined: Feb 2010
Posts: 10,615
pa
Doubtful.

Best thing you can do now is take a paintbrush and slop on the oil from changing your oil.

It's free, only requires you to do it and will be more effective than the coatings you'll pay for.

Re: Undercoat pickup [Re: coonman220] #6984163
09/06/20 02:23 PM
09/06/20 02:23 PM
Joined: Dec 2006
Posts: 20,039
Wisconsin
T
The Beav Offline
trapper
The Beav  Offline
trapper
T

Joined: Dec 2006
Posts: 20,039
Wisconsin
Probably not. Since the rust Is there your just going to cover the rust with the under coating. Your going to have to remove the rust other wise I don't think under coating Is going to do you any good.


The forum Know It All according to Muskrat
Re: Undercoat pickup [Re: coonman220] #6984167
09/06/20 02:32 PM
09/06/20 02:32 PM
Joined: Mar 2019
Posts: 625
Southern NJ
maintenanceguy Offline
trapper
maintenanceguy  Offline
trapper

Joined: Mar 2019
Posts: 625
Southern NJ
I don't like undercoating. In the winter, when salty moisture gets trapped under the undercoating, it causes damage. I prefer my steel exposed so the salt can be rinsed off - even if it's just from going through rain water.


-Ryan
Re: Undercoat pickup [Re: coonman220] #6984236
09/06/20 04:27 PM
09/06/20 04:27 PM
Joined: Nov 2014
Posts: 1,470
S. Illinois
C
Chuckles84 Offline
trapper
Chuckles84  Offline
trapper
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Joined: Nov 2014
Posts: 1,470
S. Illinois
Undercoating is bad. As said already it traps moisture in and causes the steel to rust. Given that you cant, in most cases, get a rust preventative to cover the inside of boxed frame rails completely. At best you can slow dowm the inevitable. Have heard a lot of guys use Fluid Film, it can be bought in a kit with a hose and nozzle to spray inside the frame.


Your entitled to oxygen. Everything else is earned.
Re: Undercoat pickup [Re: coonman220] #6984251
09/06/20 04:42 PM
09/06/20 04:42 PM
Joined: Dec 2006
Posts: 3,120
Williamsport, Pa.
J
jk Offline
trapper
jk  Offline
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J

Joined: Dec 2006
Posts: 3,120
Williamsport, Pa.
I have oiled my jittneys for years. 1999 s-10 is my main vechile and it just got the Fluid Film for the first time last year. Will redo it in a month or so. Yes has rust but was a little rusted through when I got it 15 years ago and I oiled it 3 times a year since. Will see soon about the Fluid film, ot does seem promising and is suppossed to alst a year......jk


Free people are not equal. Equal people are not free. Whats supposed to be ain't always is.
Re: Undercoat pickup [Re: coonman220] #6984330
09/06/20 05:52 PM
09/06/20 05:52 PM
Joined: Feb 2007
Posts: 2,158
New York border
Cragar Offline
trapper
Cragar  Offline
trapper

Joined: Feb 2007
Posts: 2,158
New York border
Many years ago , I used to rustproof vehicles , new.
I did Tuff-Kote/Dinol , now no longer sold in USA.

We started out with a clear/brownish/bronze tinted stuff that would attack existing rust and stop it. Then a black coat over that would seal any new rust out. It was a petroleum/wax product that would kinda not totally dry , stayed semi-wet and would flow to cover any scratches or places it got rubbed. Dry products will only cover problems and may cause more damage as it will trap moisture under it.

Most in-a-can stuff dries hard.


NRA benefactor member
Re: Undercoat pickup [Re: coonman220] #6984340
09/06/20 05:59 PM
09/06/20 05:59 PM
Joined: May 2010
Posts: 28,978
potter co. p.a.
P
pcr2 Offline
"Twerker"
pcr2  Offline
"Twerker"
P

Joined: May 2010
Posts: 28,978
potter co. p.a.
what kinda truck is it??









Re: Undercoat pickup [Re: coonman220] #6984343
09/06/20 06:01 PM
09/06/20 06:01 PM
Joined: Oct 2011
Posts: 1,669
Central Ontario, Canada
C
Crit-R-Dun Offline
trapper
Crit-R-Dun  Offline
trapper
C

Joined: Oct 2011
Posts: 1,669
Central Ontario, Canada
Do you have "krown" rust proofing in the U.S.? Very popular here, and we have punishing conditions for corrosion.

Re: Undercoat pickup [Re: coonman220] #6984344
09/06/20 06:02 PM
09/06/20 06:02 PM
Joined: Mar 2008
Posts: 3,445
n.e, iowa
C
coonman220 Offline OP
trapper
coonman220  Offline OP
trapper
C

Joined: Mar 2008
Posts: 3,445
n.e, iowa
Fluid film is $60 to $100 gallon, I probly won't do nothing, it rusting an get worse , I suppose if have pickuo long enough. An some part frame rust our, get some new metal weld in. Not sure. How long last in winter, if a good start rusf. If go though in 1 Winter ? I think speed dip is undercoating., When u buy new, have option of all these warranties or undercoating u can get, I believe $5-$700 for undercoating add on finacing. When buy new. I never did

Re: Undercoat pickup [Re: coonman220] #6984365
09/06/20 06:39 PM
09/06/20 06:39 PM
Joined: Mar 2020
Posts: 783
MI
C
Cos Offline
trapper
Cos  Offline
trapper
C

Joined: Mar 2020
Posts: 783
MI
Hydraulic fluid or bar oil. Hydraulic is better for your bushings but I use both. Get a cheap electric paint sprayer form harbor freight and spray the heck out of the underside of your truck a couple times a year. Spray inside all the body panels rockers etc as well. If it wont spray the oil cut with a little diesel. It works. I drive two 30 year old trucks year round and theyre rust free.

Re: Undercoat pickup [Re: coonman220] #6984374
09/06/20 06:52 PM
09/06/20 06:52 PM
Joined: Mar 2008
Posts: 3,445
n.e, iowa
C
coonman220 Offline OP
trapper
coonman220  Offline OP
trapper
C

Joined: Mar 2008
Posts: 3,445
n.e, iowa
Would be worth the bother to get couple spray cans. Not a gallon, an spray frame, worst areas ?

Re: Undercoat pickup [Re: coonman220] #6984413
09/06/20 08:12 PM
09/06/20 08:12 PM
Joined: May 2010
Posts: 28,978
potter co. p.a.
P
pcr2 Offline
"Twerker"
pcr2  Offline
"Twerker"
P

Joined: May 2010
Posts: 28,978
potter co. p.a.
i'm no vechile mechanic but think you want sumthin to soak into the rust not something that will dry hard trapping moisture in with the rust creating more rust faster.









Re: Undercoat pickup [Re: pcr2] #6984422
09/06/20 08:20 PM
09/06/20 08:20 PM
Joined: Dec 2013
Posts: 7,674
Greene County,Virginia
R
run Offline
trapper
run  Offline
trapper
R

Joined: Dec 2013
Posts: 7,674
Greene County,Virginia
Originally Posted by pcr2
what kinda truck is it??

It's might be a Chevy.


wanna be goat farmer.
Re: Undercoat pickup [Re: coonman220] #6984429
09/06/20 08:27 PM
09/06/20 08:27 PM
Joined: Jun 2010
Posts: 8,822
Iowa
~ADC~ Offline
The Count
~ADC~  Offline
The Count

Joined: Jun 2010
Posts: 8,822
Iowa
On a quiet night in Iowa you can set out on the porch and listen to the Chevys rust.

Re: Undercoat pickup [Re: coonman220] #6984435
09/06/20 08:39 PM
09/06/20 08:39 PM
Joined: Feb 2019
Posts: 258
ontario, canada
O
old243 Offline
trapper
old243  Offline
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O

Joined: Feb 2019
Posts: 258
ontario, canada
I have an 07 dodge ram, have had it under oiled with krown rust proofing , yearly since new, no rust at all. They bore holes in all frame panels , spray then plug with a stopper. . Cost 130.00 a year. It is cheap rust protection, also creaps into brakelines, springs etc. We have lots of salt. old243

Re: Undercoat pickup [Re: coonman220] #6984436
09/06/20 08:40 PM
09/06/20 08:40 PM
Joined: Mar 2018
Posts: 1,034
Pa.
B
Bigbrownie Offline
trapper
Bigbrownie  Offline
trapper
B

Joined: Mar 2018
Posts: 1,034
Pa.
Two gallon of old motor oil, spray gun, compressor. Oil will soak into rust. Just watch where you spray it and where you park for the next week.

Re: Undercoat pickup [Re: coonman220] #6984440
09/06/20 08:48 PM
09/06/20 08:48 PM
Joined: Jun 2010
Posts: 129
Oregon
SpottedOwl Offline
trapper
SpottedOwl  Offline
trapper

Joined: Jun 2010
Posts: 129
Oregon
All your half oil containers, cut with 50% kerosene or diesel. Garden sprayer and clothes you dont care about. Spray all over and a lot under the truck. Get on tire up on a stump, root or ramp so you can get under easier. Soak it down, no undercoat in a can needed. A few times a year and youre good. Start and let sit and idle to burn off excess so you wont get any fumes in the cab while youre driving. We drive into the ocean regularly to launch boats, this will greatly help rust problems.



Owl


Spend time with your kids while THEY still have time

Your life is an occasion ..... Rise to it
Re: Undercoat pickup [Re: coonman220] #6984449
09/06/20 09:08 PM
09/06/20 09:08 PM
Joined: Sep 2010
Posts: 1,581
NE
M
Marty B Offline
"arbitrary noob"
Marty B  Offline
"arbitrary noob"
M

Joined: Sep 2010
Posts: 1,581
NE
Some guys that surf fish the beaches use boiled linseed oil.


Theres not much thats more corrosive to undercarriage than saltwater and salt saturated sand.


The way I read it they clean and dry everything, then get under there with the pump up 1 or 2 gal garden sprayer and soak everything down - let dry- do a couple more coats.



Should be more affordable than $100/gal stuff.




They said they re apply a couple times a season.

Re: Undercoat pickup [Re: ~ADC~] #6984452
09/06/20 09:23 PM
09/06/20 09:23 PM
Joined: Jan 2019
Posts: 3,010
Wabash, IN USA
Flipper 56 Offline
trapper
Flipper 56  Offline
trapper

Joined: Jan 2019
Posts: 3,010
Wabash, IN USA
Originally Posted by ~ADC~
On a quiet night in Iowa you can set out on the porch and listen to the Chevys rust.


I always heard that about Fords! laugh Because in Indiana we hear Fords rusting all the time!!

Last edited by Flipper 56; 09/06/20 09:24 PM.

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