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#2462675 - 03/07/18 02:09 PM New Truck - rust prevention
DusterKid Offline
super stock

Registered: 01/02/05
Posts: 888
Loc: Keymar, MD
If you were to buy a new truck since they pretty much have done away with undercoating and paint on the bottom side for that matter. How would you go about trying to help prevent rust on a driver and what products would you use?

Reason for asking:
Have an 07 Dodge that I tow with and mainly use as a daily driver in poor weather conditions. After 10 years rust is bubbling on truck bed and the underside there isn't anything that's not all rusted. Looking at buying a new truck, but my old one rust completely apart. But if I do so, I'd like to do something when I get it to help prevent rust for as long as I can and it may be the last truck I end up buying...

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#2462680 - 03/07/18 02:23 PM Re: New Truck - rust prevention [Re: DusterKid]
moparjim79 Offline


Registered: 09/30/14
Posts: 430
Loc: Central Pa
Do a google search on Krown rust prevention. There may be some distributors/contractors in your area

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#2462681 - 03/07/18 02:27 PM Re: New Truck - rust prevention [Re: DusterKid]
72N96RR Offline
I LOVE WEDGIES

Registered: 07/20/05
Posts: 11624
Loc: SHELBY TWP,,MICHIGAN
Line X also does a underside spray to prevent rust
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#2462682 - 03/07/18 02:28 PM Re: New Truck - rust prevention [Re: moparjim79]
wingman Offline
Uncreative Title

Registered: 06/23/04
Posts: 2374
Loc: St. Charles, MO
Originally Posted By moparjim79
Do a google search on Krown rust prevention. There may be some distributors/contractors in your area


X2

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#2462688 - 03/07/18 02:38 PM Re: New Truck - rust prevention [Re: DusterKid]
Orange_Crush Offline
Belieber!

Registered: 02/03/03
Posts: 17991
Loc: Charlotte, NC
OK, this one may be a little controversial, but I heard this from someone who lived in northern climates and he swore by it...I, personally, try to say as far away from snow as I realistically can so I have no idea if this does or does not work.

According to this guy, At the beginning of winter, and then monthly until the last of the snow, he would cover his entire undercarriage in WD-40. The inner fenders, insides of the quarter panels frame and all of the holes in the frame, etc. He said it would shed water like crazy and he never had issues with rust.

Again...I have no idea if that works...just passing it along. Of course, it probably couldn't hurt...especially in conjunction with standard rustproofing or undercoating.
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#2462696 - 03/07/18 02:52 PM Re: New Truck - rust prevention [Re: Orange_Crush]
moparjim79 Offline


Registered: 09/30/14
Posts: 430
Loc: Central Pa
Originally Posted By Orange_Crush
OK, this one may be a little controversial, but I heard this from someone who lived in northern climates and he swore by it...I, personally, try to say as far away from snow as I realistically can so I have no idea if this does or does not work.

According to this guy, At the beginning of winter, and then monthly until the last of the snow, he would cover his entire undercarriage in WD-40. The inner fenders, insides of the quarter panels frame and all of the holes in the frame, etc. He said it would shed water like crazy and he never had issues with rust.

Again...I have no idea if that works...just passing it along. Of course, it probably couldn't hurt...especially in conjunction with standard rustproofing or undercoating.

Some of the farmers in this area have been known to spray down their equipment with trans fluid several times a year, same results as you mention.

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#2462701 - 03/07/18 03:17 PM Re: New Truck - rust prevention [Re: DusterKid]
DaytonaTurbo Offline


Registered: 02/26/03
Posts: 21015
Loc: Manitoba, Canada
I would have it undercoated before it sees the first mile on the odometer. Maybe think about a ford with the aluminum body?

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#2462717 - 03/07/18 03:46 PM Re: New Truck - rust prevention [Re: DaytonaTurbo]
moparx Offline
Dreaming of implants

Registered: 09/03/03
Posts: 9680
Loc: north of coder
a local garage has a formula he stirs up and sprays. my 99 caravan gets it every year. i take out the taillights and all the body plugs that were factory installed. i drilled extra 1/2" holes in the dog legs, rockers, doors, and the hatch. he sprays it in till it runs out. gets the hood lip openings too. works great ! i never did this to my other minivans, and the bodies only lasted 315k+ on my 95, and 200k+ on my 2000 till the bodies fell off. if i keep doing this, my bus should last till i croak.
beer

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#2462738 - 03/07/18 04:33 PM Re: New Truck - rust prevention [Re: moparx]
GOLDMYN Offline
top fuel

Registered: 08/01/04
Posts: 1932
Loc: Kenosha, Wi
I bought a new Ram Big Horn last year and prior to the first snow, I parked it in the garage, called the insurance company and put storage coverage on it, I went on ebay and bought a low mileage 97 Buick and thats been our go to car this winter. I'll take the truck out 1st of April and enjoy my rust free 7K mile Ram. Beating the salt in Wisconsin
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#2462754 - 03/07/18 05:03 PM Re: New Truck - rust prevention [Re: moparjim79]
Sunroofcuda Offline
master

Registered: 01/20/03
Posts: 6621
Loc: Highland, MI.
Originally Posted By moparjim79
Do a google search on Krown rust prevention. There may be some distributors/contractors in your area


I was really up on Krown, until last year. I had just brought a low mileage 300M back from Florida 4 years ago - not a speck of rust anywhere even though it was from Naples - not too far from the ocean. But the car was a 43,000 CLEAN car without a speck of rust. Before winter hit, the wife & I took 2 vehicles to the Sarnia Krown - they did a great job of applying the clear Krown rustproofing. I was thinking the stuff would set-up & form a film on the surfaces. It doesn't - it rinses off. It's like spraying vegetable oil all over. They even gave me a few cans of the stuff for touch-up. When I got home, I sprayed all the inner crevices & corners of both the hood & trunk lid. Now, the front edge of the hood is rusting, & the underside of the vehicle has NO coating on it at all anywhere, & edges of the sheetmetal are starting to rust. The Krown just has no substance to it. I am unimpressed. There are no "rust inhibitors" to the Krown that I can tell.
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#2462938 - 03/07/18 10:36 PM Re: New Truck - rust prevention [Re: Orange_Crush]
WO23Coronet Offline
master

Registered: 01/08/08
Posts: 4107
Loc: Canada
Originally Posted By Orange_Crush
OK, this one may be a little controversial, but I heard this from someone who lived in northern climates and he swore by it...I, personally, try to say as far away from snow as I realistically can so I have no idea if this does or does not work.

According to this guy, At the beginning of winter, and then monthly until the last of the snow, he would cover his entire undercarriage in WD-40. The inner fenders, insides of the quarter panels frame and all of the holes in the frame, etc. He said it would shed water like crazy and he never had issues with rust.

Again...I have no idea if that works...just passing it along. Of course, it probably couldn't hurt...especially in conjunction with standard rustproofing or undercoating.



Anything oil based will save it: fluid film, WD40, penetrating oil, diesel fuel, transmission oil, whatever.

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#2462954 - 03/07/18 11:21 PM Re: New Truck - rust prevention [Re: DusterKid]
BloFish Offline


Registered: 11/20/04
Posts: 14090
Loc: Lake Oroville
I would move laugh2
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#2462961 - 03/07/18 11:57 PM Re: New Truck - rust prevention [Re: DusterKid]
BH27G1B Offline
member

Registered: 01/11/07
Posts: 106
Loc: MA
Hydraulic Oil works excellent, and does not affect rubber parts.

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#2462963 - 03/08/18 12:04 AM Re: New Truck - rust prevention [Re: DusterKid]
bee1971 Offline
top fuel

Registered: 02/23/03
Posts: 2027
Loc: Sobieski Wi
LPS3

Fluid Film

Removing all the plastic wheel well liners is a must , before spraying

My 2011 Ram in WI , is spotless

Underbody chassis car washes in winter helps also
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#2462995 - 03/08/18 06:20 AM Re: New Truck - rust prevention [Re: DusterKid]
MI_Custumz Offline
master

Registered: 12/06/03
Posts: 5139
Loc: Port Huron, Michigan
Thought I read somewhere that if it's not "Mopar approved" it could void any warranties. I'm assuming it would be if a part is saturated and doesn't function like it should? I don't use it and have a 2008 Avenger that has a little rust showing at the bottom of the door edges. I try to take the cars through the car wash that does the underside as often as the weather allows in the winter and then wipe the door edges clean after I'm done. Some guy from work got the bed liner (something similar) as an undercoating and when he needed some repairs done, they spent hours chipping away stuff because they just sprayed it without anything being left exposed.

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#2463000 - 03/08/18 07:35 AM Re: New Truck - rust prevention [Re: DusterKid]
jerseybud Offline
mopar

Registered: 04/25/04
Posts: 647
Loc: Maine
If it was my truck:

1st- I'd coat anything that was a crease or blind with 2 coats of eastwood internal frame coating and let it dry. Whhelwells, rockers, insides of frame, doglegs of fenders, bottom creases of doors, etc

2nd- would use this: http://www.lpslabs.com/product-details/612
on top of the eastwood. Flows well when wet but drys to a very firm paraffin like coating that has to be scraped off- will not wash off. 3M and eastwood makes a similar product in bulk called Heavy Duty anti rust.

That should do the trick. Its just a lot of work getting it in the nooks and crannies and getting enough gumption to drill holes in a new vehicle.

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#2463010 - 03/08/18 08:21 AM Re: New Truck - rust prevention [Re: DusterKid]
MI_Custumz Offline
master

Registered: 12/06/03
Posts: 5139
Loc: Port Huron, Michigan
If it's brand new, I think Chrysler offers a limited lifetime warranty on their undercoating. I've also heard good things about Krown. I may start Krown this fall on our 2014 Durango. I have never done undercoating on a car, but never had a nice car to keep as long as I plan on the Durango.

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#2463030 - 03/08/18 09:11 AM Re: New Truck - rust prevention [Re: DusterKid]
Yellow Fever Offline
super stock

Registered: 08/22/11
Posts: 1082
Loc: SE PA
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#2463056 - 03/08/18 10:07 AM Re: New Truck - rust prevention [Re: GOLDMYN]
DaytonaTurbo Offline


Registered: 02/26/03
Posts: 21015
Loc: Manitoba, Canada
I bought my civic new in 2007. All I did was have it undercoated. No rust yet. I live in a rural area and drive gravel roads and it's doing great. My wife's mazda 3, same year, no factory undercoating has the usual mazda rust underneath and starting in the rear wheel wells.

Originally Posted By GOLDMYN
I bought a new Ram Big Horn last year and prior to the first snow, I parked it in the garage, called the insurance company and put storage coverage on it, I went on ebay and bought a low mileage 97 Buick and thats been our go to car this winter. I'll take the truck out 1st of April and enjoy my rust free 7K mile Ram. Beating the salt in Wisconsin


So you're saying you dumped 50k on a TRUCK to instead drive a 97 buick in the winter? realcrazy

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#2463083 - 03/08/18 10:52 AM Re: New Truck - rust prevention [Re: DusterKid]
63CandyMatic Offline
pro stock

Registered: 01/20/03
Posts: 1436
Loc: Land of the Brave, Home of the...
WD-40 does not work.

Mixture of oil and tranny fluid is much better, others mentioned work well also.

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