Krown Rust Prevention???

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ameration

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Anyone use the Krown Rust Control or have one of their vehicles done with the hot oil application?

Sounds like a good product but I’d like to hear some real world experiences. I can’t have my Raptor frame corroding away like my (soon to be gone) current F150.

https://www.krown.com/en/

Thanks.
 
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I don't use Krown. I use POR15 on older trucks with rust already present with AMSOIL MPHD over that and everything else under the truck. If the truck is new I use POR15 on the axles, rear differential, driveshaft yokes, etc to prevent corrosion and make them black for good. Then I spray everything with the MPHD. Check out the first link below for a thread here on the forum that shows the benefits of AMSOIL MPHD over other similar corrosion resistance sprays on the market and check the second link below to buy AMSOIL MPHD directly from AMSOIL's website. Takes about 4-6 cans to complete the undercoating process and up to about 1.5 quarts of POR15 depending on current condition. There is also a picture below of the difference the POR15 makes. This is from a Raptor in my shop now. But we take maintenance and undercoating extremely seriously around here.

http://www.fordraptorforum.com/f36/clear-undercoat-1622/index14.html



https://www.amsoil.com/shop/by-prod...uty-metal-protector/?code=AMHSC-EA&zo=1678239

undercoating results.jpg

undercoating results1.jpg

undercoating results2.jpg

undercoating 2.jpg

undercoating 1.jpg
 
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ameration

ameration

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I don't use Krown. I use POR15 on older trucks with rust already present with AMSOIL MPHD over that and everything else under the truck. If the truck is new I use POR15 on the axles, rear differential, driveshaft yokes, etc to prevent corrosion and make them black for good. Then I spray everything with the MPHD. Check out the first link below for a thread here on the forum that shows the benefits of AMSOIL MPHD over other similar corrosion resistance sprays on the market and check the second link below to buy AMSOIL MPHD directly from AMSOIL's website. Takes about 4-6 cans to complete the undercoating process and up to about 1.5 quarts of POR15 depending on current condition. There is also a picture below of the difference the POR15 makes. This is from a Raptor in my shop now. But we take maintenance and undercoating extremely seriously around here.

http://www.fordraptorforum.com/f36/clear-undercoat-1622/index14.html



https://www.amsoil.com/shop/by-prod...uty-metal-protector/?code=AMHSC-EA&zo=1678239

Does the Amsoil dry or stay flexible? It seams that all of the undercoatings that dry are teh ones that eventually break down as the parts of the frame, etc.. are always flexing.
 

Truckzor

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But we take maintenance and undercoating extremely seriously around here.

Nice work, Chris!

Does the Amsoil dry or stay flexible? It seams that all of the undercoatings that dry are teh ones that eventually break down as the parts of the frame, etc.. are always flexing.

It's basically motorcycle chain lube. Kind of like a waxy oil. You can't spray it once and then never spray it again but it does last a long time.
 
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Amsoil MPHD is no longer a chain lube, they reformulated it and now offer a specific chain lube while MPHD is more for undercoating now. No, it will not last forever, it isn't that kind of coating. However, it never needs to be removed unless you just want to do so. Touch ups occasionally may be required over years of time.

That being said, MPHD out performs Fluid Film, check out the link below to a thread from 2012 where members here on the forum provided realistic unbiased comparative testing between MPHD, Fluid Film and others.

http://www.fordraptorforum.com/f36/clear-undercoat-1622/index4.html





Side note: I'm Chris, not Rick.... ;)
 

Rickch

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How much prep was necessary before you used POR15. I have not used that product but I’m assuming just wire brushing and cleaned before use?

Your work looks great!
 

Aaleck

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I just got my truck sprayed by Krown a couple of months ago. It seems pretty thorough. The whole thing took maybe 30 mins and that’s with them drilling the holes, taking off the rear brake lights, etc.
 

Wfo

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I had my dealer spray my 18. What a nightmare!!!!!! They didn’t wash any of the salt off before spraying. Sprayed control arms, skid plate, and got some on the shocks. They got over spray everywhere, as far up as the roof. They also missed a bunch of areas. I’m so pissed I don’t even want this truck anymore!!!!
 

EricM

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We have a guy that fluid films vehicles and a Krown dealer in our area. Just trying to decide what route to go....

FF stinks bad IMO. I would not want the entire underside of my truck slathered in that unless I had no sense of smell.
 

tltoronto

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Dude, krown it .You can wipe it off the shocks, but it will keep your truck rust free for ever if you regularly do it. With offroading, it comes off, so personally, i try not to leave it to be re sprayed longer than two years ..i also have a gen 1 tho .The rockers are garbage on the truck so I have to keep up on it .I have a 2005 nissan frontier as well, with 230 000 miles and not a shred of rust. The only drawback is it will swell rubber seals. If you wipe it off, rubber will swell slower.
 

Lpotter13

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How much prep was necessary before you used POR15. I have not used that product but I’m assuming just wire brushing and cleaned before use?

Your work looks great!
Also wondering about this. I’ve got some surface rust I’d like to take care of. Really like how well this came out after fully spraying everything black.
 

PeteGav

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I hit my entire undercarriage with duplicator spray on bed liner. this stuff sticks to everything and visually it looks like its working. Not sure whats going on underneath but I haven't seen any rust come through in 2 years.
 

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