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Rust Proofing on old cars with rusty surfaces. #5103451 05/12/19 12:56 PM
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Gasbuggy Offline OP
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I've read numerous pages about examples of these spray-on coatings, like Fluid Film, but I'm not finding what I want. And it seems like most people are spraying newer cars, not my situation. The frame on your 2016 truck hasn't rusted using Fluid Film? Incredible. whistle I don't care for Fluid Film because it really does make a mess if you brush against it working on your car at a later date. I've also read from more than one person, issues about Fluid Film and hoses/rubber contact. I used LSP3 recently, considerably more costly than fluid film, but I didn't like it either. Seemed like it dried before the rusty frame surface could soak it in. I wasn't impressed with its wicking ability but it did get a nice surface on it.

Is there something in-between? Something that wicks well and penetrates but has some type of surface you can touch eventually?

Not interested in POR, or any of the crap that Eastwood sells.

I plan to spray down my 1976 W115 300 diesel benz. It has many nooks and crannies.


Cadillac CTS-V 6.2L 10w30PP
Volvo P1800 Euro L
76 Mercedes 300D Rotella T4
Series III Land Rover VWB
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Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103482 05/12/19 01:29 PM
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JLTD Offline
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This is something I'd like to find out as well.


Lates.
Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103493 05/12/19 01:46 PM
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Donald Offline
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I have my vehicles sprayed with CaraWell each year. I also had them sprayed with NH coatings.

CarWell is in Buffalo. If you are close. NH coatings is in New Hampshire.

You need to get some of the liquid not aerosol as the aetosol may have been thinned.

CarWell sells two grades I believe.

There is also Known.

You will need to spray an area to see how you like it.


2015 Ford F-250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103525 05/12/19 02:23 PM
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2008 Toyota Yaris 1ND-TV 1.4 D4-D Tech9 5W30 C3 VW 504/507
1997 Toyota Landcruiser KZJ95 3.0 TD Elf Evolution NF900 5W40
Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103541 05/12/19 02:48 PM
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spk2000 Offline
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Crown & Fluid Film are virtually the same. Good products but stay wet for a while and petroleum based so hard on any rubber hoses, bushings, etc.
Would be curious to see if anyone has tried some of those rust converter primers for this application. Not sure how they might work.


96 Grand Marquis 203,000 mi
01 Sable LS Wagon 163,000 mi
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Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103549 05/12/19 03:06 PM
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Oleo Offline
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In this case, what would you use on rusty joints that have rubber bushings or rubber dust boots to resist rust?

Re: Rust Proofing on old cars with rusty surfaces. [Re: spk2000] #5103551 05/12/19 03:09 PM
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555 Offline
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Originally Posted by spk2000
Crown & Fluid Film are virtually the same. Good products but stay wet for a while and petroleum based so hard on any rubber hoses, bushings, etc.
Would be curious to see if anyone has tried some of those rust converter primers for this application. Not sure how they might work.

Fluid Film is lanolin based according to their website.


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Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103554 05/12/19 03:12 PM
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eljefino Offline
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I fluid filmed my rusty 05 prius last November. I was just under there and it's completely dry now, but the rust hasn't advanced noticeably.

IDK where the FF "went", but it did something useful. I hope/ imagine it got into the "pores" and kept rust from advancing.

I try to hit the cars right before the first salt hits the roads. FF is "gloopy" so I want the cold nights so it'll thicken up and "set in".

Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103566 05/12/19 03:32 PM
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Shannow Offline
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Fish oil...penetrates and dries...and reeks...


If it's the truth....it can handle the pressure !!!
Re: Rust Proofing on old cars with rusty surfaces. [Re: Shannow] #5103582 05/12/19 03:47 PM
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Originally Posted by Shannow
Fish oil...penetrates and dries...and reeks...


And reduces cholesterol.

Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103671 05/12/19 05:59 PM
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nobb Offline
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Are these various rustproofing products bad for the various rubbers and such? I do a yearly spray with this biodegradable rustproofing spray from Napa which is mostly recycled vegetable oil. Haven't noticed any issue with it, it definitely seems to work on stopping rust. The only negative is that anytime I have to do some work underneath the vehicle it's a bit messy.

Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103711 05/12/19 06:45 PM
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KrisZ Online Content
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I would knock all the loose rust off and wire brush as much as I can, then hit it with rust converter and after that spray with rustproofing oil. This should slow the rust significantly and even stop it altogether in some areas.


2015 Grand Caravan 3.6L - 35k miles.
2006 Mazda 3 2.0L - 186k miles
Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103750 05/12/19 07:16 PM
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I mentioned this a few days back, so I quoted myself: Working on the car after the product dried a few weeks is a lot easier than dealing with a car coated with FF.
Originally Posted by demarpaint
Trav had recommended this stuff to me: Rustproofing Compound IMO if you're doing it yourself it is one of the best. It isn't cheap, but it blows Fluid Film away. I did two vehicles twice with it, and I have a little left. I'll probably buy more next year and re-coat them. I touch them up yearly.


God Bless Our Troops

Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103875 05/12/19 10:43 PM
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JHZR2 Offline
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Look into what waxoyl, cosmoline and Amsoil HDMP look like.

Not wet like oils, and they run a risk of trapping water underneath. But they do great if not compromised, to keep anything from getting to the surface.

Re: Rust Proofing on old cars with rusty surfaces. [Re: Gasbuggy] #5103895 05/12/19 11:38 PM
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Fsharp Offline
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What about some boiled linseed oil, that certainly dries. I don’t think it would hurt rubber either. I’ve never tried it on metal, always used fluid film or used a converter type product if I want to take the time and be thorough.

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