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Fluid Film undercoating and alternatives #4608675
12/19/17 08:39 PM
12/19/17 08:39 PM
Joined: Dec 2010
Posts: 75
Pennsylvania
RS700L Offline OP
RS700L  Offline OP
Joined: Dec 2010
Posts: 75
Pennsylvania
Hey all...I recently moved to Northeastern Ohio from Southeastern Pennsylvania and am astounded at the excessive use of road salt here. Back home in PA, we wouldn't have used half as much salt. Here they started salting the roads a week before a single flake dropped. mad No wonder everybody's trucks look like brown Swiss cheese.

To further compound my irritation...I bought a 'new to me' truck. It's in good shape and I want it to stay that way so I decided to rustproof/undercoat it as well as I could afford to.

I read some really positive things about this Fluid Film stuff. A local fellow sprays cars with it for a very reasonable price, so I gave him a shot. He sprayed inside the doors, rockers, tailgate, behind the tail lights/headlights, etc. Did a fine job, only neglected to tell me that the stuff stinks worse than a truck stop parking lot full of dead sheep. It has faded substantially, but I can still smell it almost three weeks later. Not to mention, I could have easily done it myself in better weather.

So unless this stuff turns out to be magical, I'm not using any more. I am rather disappointed at turning my truck into a 4x4 sheep carcass. Looking for similar products that don't smell as such. Would like to be able to purchase gallon(s) to spray myself. Cost is not an issue. Availability and effectiveness are my concerns.

One product I have found is this: https://www.sprayon.com/product-categori...t-aerosol-lu777

Any experience with the LU777 and what other recommendations can you make?


2013 Ford F-150 XLT
1968 Wheel Horse Raider 12
1949 Allis Chalmers C, '58 D17

I started out with nothing and have some of it left.
Re: Fluid Film undercoating and alternatives [Re: RS700L] #4608682
12/19/17 08:45 PM
12/19/17 08:45 PM
Joined: Mar 2004
Posts: 20,743
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,743
Upstate NY
FF or Krown or CarWell needs to be sprayed on yearly. It gets washed off during the year.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Fluid Film undercoating and alternatives [Re: RS700L] #4608714
12/19/17 09:10 PM
12/19/17 09:10 PM
Joined: Dec 2006
Posts: 2,767
Columbus, Ohio
John_K Offline
John_K  Offline
Joined: Dec 2006
Posts: 2,767
Columbus, Ohio
I am originally from Youngstown area so I have to ask...why would you move there?


2009 Mercury Grand Marquis, 8 cyl auto, 82xxx miles, PU/Fram Ultra
2005 Hyundai Sonata, 4 cyl auto, 95xxx miles, Maxlife/OEM Filter
Current oil stash: 510 qts.


Re: Fluid Film undercoating and alternatives [Re: RS700L] #4608721
12/19/17 09:14 PM
12/19/17 09:14 PM
Joined: Jan 2011
Posts: 2,711
N.Ohio
Lubener Offline
Lubener  Offline
Joined: Jan 2011
Posts: 2,711
N.Ohio
This is what I have used. One can will do a small car. Dries to a nice coating that lasts for a several years.

https://www.amsoil.com/shop/by-product/o.../?code=AMHSC-EA


The "thinking" man's friend.
Re: Fluid Film undercoating and alternatives [Re: RS700L] #4608726
12/19/17 09:17 PM
12/19/17 09:17 PM
Joined: Apr 2010
Posts: 183
Detroit
Kurtatron Offline
Kurtatron  Offline
Joined: Apr 2010
Posts: 183
Detroit
Funny, I actually like the smell of fluid film. Makes me think of nature and the great outdoors lol

Re: Fluid Film undercoating and alternatives [Re: Lubener] #4608728
12/19/17 09:21 PM
12/19/17 09:21 PM
Joined: Nov 2017
Posts: 683
South Carolina
eyeofthetiger Offline
eyeofthetiger  Offline
Joined: Nov 2017
Posts: 683
South Carolina
Originally Posted By: Lubener
This is what I have used. One can will do a small car. Dries to a nice coating that lasts for a several years.

https://www.amsoil.com/shop/by-product/o.../?code=AMHSC-EA


I used to use that for a coating on all bare metal parts (except exhaust and brake rotors, duh) when I lived up north. It seemed to hold up well over a season, but I don't know about several years.


2017 Ford Fiesta 1.0T - Valvoline SynPower 5W-20, Motorcraft FL910S
1988 GMC K1500 4.3/700R4 - Supertech 15W-40, Fram TG3980
1986 Ford Ranger 2.0 - uhh
Re: Fluid Film undercoating and alternatives [Re: RS700L] #4608844
12/19/17 11:06 PM
12/19/17 11:06 PM
Joined: Nov 2004
Posts: 1,799
SD
zrxkawboy Offline
zrxkawboy  Offline
Joined: Nov 2004
Posts: 1,799
SD
I like the Corrosion Free stuff that you spray with a gun. The aerosol version is nice for certain areas, but it drips more easily.


"Think of all the Ford owners who will someday want an automobile." John Dodge

Re: Fluid Film undercoating and alternatives [Re: RS700L] #4608885
12/20/17 12:10 AM
12/20/17 12:10 AM
Joined: Oct 2012
Posts: 4,590
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,590
Taiwan
Originally Posted By: RS700L
Did a fine job, only neglected to tell me that the stuff stinks worse than a truck stop parking lot full of dead sheep. It has faded substantially, but I can still smell it almost three weeks later.


Its probably crude lanolin base, so its sheepishness isn't a coincidence.

I believe Waxoyl (which has a similar place in the UK market as far as I can tell) is (or was, maybe 25 years since I used it) also crude lanolin base, though I can't remember why I think that apart from the smell. Probably read it somewhere.

Didnt think that much of it and cant get anything like that here anyway. I use a fairly loosely defined mineral/veg oil mix (motor/diesel/sunflower in equal amounts last time around) which seems to work OK and is free. Might try straight sunflower oil the next treatment.

Re: Fluid Film undercoating and alternatives [Re: Ducked] #4608893
12/20/17 12:26 AM
12/20/17 12:26 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Originally Posted By: Ducked
I use a fairly loosely defined mineral/veg oil mix (motor/diesel/sunflower in equal amounts last time around) which seems to work OK and is free.


Works GREAT as a wood fence stain, also


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Fluid Film undercoating and alternatives [Re: RS700L] #4608900
12/20/17 12:39 AM
12/20/17 12:39 AM
Joined: May 2009
Posts: 5,417
Canada
expat Offline
expat  Offline
Joined: May 2009
Posts: 5,417
Canada
I ran a little test here a couple of years back, the results were interesting.

https://bobistheoilguy.com/forums/ubbthreads.php/topics/3876252/Dog_tag_rust_provention_test

Re: Fluid Film undercoating and alternatives [Re: eyeofthetiger] #4608937
12/20/17 04:58 AM
12/20/17 04:58 AM
Joined: Jan 2011
Posts: 2,711
N.Ohio
Lubener Offline
Lubener  Offline
Joined: Jan 2011
Posts: 2,711
N.Ohio
Originally Posted By: eyeofthetiger
Originally Posted By: Lubener
This is what I have used. One can will do a small car. Dries to a nice coating that lasts for a several years.

https://www.amsoil.com/shop/by-product/o.../?code=AMHSC-EA


I used to use that for a coating on all bare metal parts (except exhaust and brake rotors, duh) when I lived up north. It seemed to hold up well over a season, but I don't know about several years.

Depends on cleanliness of surface, how heavy it is applied and how much exposure the coating has to moisture. Took a long time for the waxy coating to wear off.


The "thinking" man's friend.
Re: Fluid Film undercoating and alternatives [Re: RS700L] #4608963
12/20/17 06:14 AM
12/20/17 06:14 AM
Joined: Nov 2008
Posts: 3,154
Oshawa, Ontario Canada
JC1 Offline
JC1  Offline
Joined: Nov 2008
Posts: 3,154
Oshawa, Ontario Canada
The smell of fluid film usually goes away after two weeks in warmer weather.

You can apply it yourself if you get the gun and wands. The one gallon can of FF can be bought at Napa online and shipped to the nearest store for under $40.


2015 Grand Caravan SXT Plus 5w-20 PPPP/Fram Ultra Filter
1997 Honda Civic CX 5w-30 Shell Conventional/Fram Ultra Filter
Re: Fluid Film undercoating and alternatives [Re: RS700L] #4608972
12/20/17 06:26 AM
12/20/17 06:26 AM
Joined: May 2013
Posts: 2,093
Saskatchewan, Canada
Johnny2Bad Offline
Johnny2Bad  Offline
Joined: May 2013
Posts: 2,093
Saskatchewan, Canada
Petrolieum-diluted Lanolin will soak a little into the outside layer of any exposed metal surfaces (but won't "penetrate" them), and will penetrate any oxidized (rusted) metal below surface level, slowing but not stopping corrosion. Water is highly abrasive and will remove anything eventually.

We don't use road salt here at all, we use a non-corrosive calcium-based product, but it costs about 10% more, which might be seen as "un-necssary" or "wasteful" depending on your local politics (after all, lawmakers trade in their cars in four years or less).

The reason they spray road salt even when it's not snowing is it is only effective at relatively warm temperatures, and it is an effective ice preventative (so rain and standing water stays in the wet state, not turning to ice when temperature falls overnight). Below around 0F road salt does nothing, while the calcium product does work down to about -20F.

A thorough car wash once a week in winter is pretty effective; road salt corrosion happens when wet, salt-embedded dirt remains on the vehicle to work it's chemical magic over time (and because salt is an effective ice preventative, it's always wet). Washing it off stops the problem. Thick steel is relatively immune to salt corrosion as it's beefy enough that rust-through takes a very long time, but thin metal areas (cars and SUVs built with unibody construction) are in danger of being penetrated to the other side.

A body-on-frame vehicle (most light trucks, unless you bought a Honda) is relatively immune, just some body panels like rockers and door corners, unless you never wash it in winter. Something like Fluid Film, Krown, etc can help with those areas; on the rest of the vehicle it's almost wasted as it can't stay in place for long in the first place.


'57 FL Straight 50 wt
'90 Miata 1.8L w/Rotrex Supercharger [Mobil1 0W-40]
'96 Ram 1500 [3.7L Mobil1 0W-20 / 1L 15W-50]
'01 PT Cruiser [Mobil1 0W-40]
Re: Fluid Film undercoating and alternatives [Re: Johnny2Bad] #4609056
12/20/17 08:37 AM
12/20/17 08:37 AM
Joined: Oct 2012
Posts: 4,590
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,590
Taiwan
Originally Posted By: Johnny2Bad
Petrolieum-diluted Lanolin will soak a little into the outside layer of any exposed metal surfaces (but won't "penetrate" them), and will penetrate any oxidized (rusted) metal below surface level, slowing but not stopping corrosion. Water is highly abrasive and will remove anything eventually.



Sunflower oil seems to soak into rust as well. It slowly polymerises to a firm but slightly plastic coating. I'd think once its done this it would be rather dificult to wash off, though in general I think wash-off concerns are exaggerated. I've has straight motor oil last a couple of years in wheel arches, though admittedly I don't do many miles.

https://bobistheoilguy.com/forums/ubbthreads.php/topics/3864753/Coke_Can_for_Brake_Drums#Post3864753




A snag with straight veg oil is that in enclosed moist spaces it can grow mould, and I'm not sure that mixing it with mineral oil entirely prevents this. In some cases it may not matter much, but inside doors and sills its a health hazard.

As a natural material lanolin might be susceptible to mould too, though probably much less.

Re: Fluid Film undercoating and alternatives [Re: Johnny2Bad] #4609058
12/20/17 08:38 AM
12/20/17 08:38 AM
Joined: Feb 2017
Posts: 309
NC
fenixguy Offline
fenixguy  Offline
Joined: Feb 2017
Posts: 309
NC
Originally Posted By: Johnny2Bad


A thorough car wash once a week in winter is pretty effective; road salt corrosion happens when wet, salt-embedded dirt remains on the vehicle to work it's chemical magic over time (and because salt is an effective ice preventative, it's always wet). Washing it off stops the problem. Thick steel is relatively immune to salt corrosion as it's beefy enough that rust-through takes a very long time, but thin metal areas (cars and SUVs built with unibody construction) are in danger of being penetrated to the other side.

A body-on-frame vehicle (most light trucks, unless you bought a Honda) is relatively immune, just some body panels like rockers and door corners, unless you never wash it in winter. Something like Fluid Film, Krown, etc can help with those areas; on the rest of the vehicle it's almost wasted as it can't stay in place for long in the first place.


I've experienced just the opposite. Our unibody cars (Civics, CR-V, Subarus, etc...) still look like new underneath and I, nor any family members have never had a rust related failure in a unibody car built in the last 20 years. The '00 Civic is driven exclusively in the salt (that's why I keep it) and the only washing it gets is from the rain. Pickup trucks will go about 5 to 10 years here before you need to replace spring hangars at least. Any longer, you will need a frame replacement or rebuild (this is when they go to the scrapper). The body will look fine, maybe some rust around the rear fenders, but the frame will have holes rusted through. I've seen it happen with Toyotas, Fords, Chevys, Dodges, Nissans, etc... This is with regular underbody washes during the winter. The only way to keep a frame from rusting is not driving it in winter, or applying some oil/wax-type coating.

I think Fluid Film smells great (as does the wife, which is most important). That Amsoil stuff looks promising too. Not sure how many cans I would need though. Took 3/4 of a gallon of Fluid Film to do the Frontier and CR-V.


'16 Frontier SV 4x4-PP/Nissan OEM
'08 CR-V EX AWD-Valvoline Syn MaxLife/Fram TG
'01 Civic EX-Valvoline Syn MaxLife/Fram UG
'00 Civic LX-PYB/Fram UG
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