Por 15 question
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Elder User
Joined: Dec 2003
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From: Wayne, PA
Por 15 question
I have a new oil pan and i have the por 15 starter kit. Should i just paint the pain with por 15 or should i sand it first? The instructions keep talking about the best bond to a rusty surface, but i am having a tough time bringing myself to take a wheel to this. I also have a few rattle cans of por 15 rubberized under coating. Input is appreciated.
Hotshot
Joined: Jan 2011
Posts: 18,849
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From: Puget Sound
I have a new oil pan and i have the por 15 starter kit. Should i just paint the pain with por 15 or should i sand it first? The instructions keep talking about the best bond to a rusty surface, but i am having a tough time bringing myself to take a wheel to this. I also have a few rattle cans of por 15 rubberized under coating. Input is appreciated.
Hotshot
Joined: Jan 2011
Posts: 18,849
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From: Puget Sound
I was confused for a sec. I saw "new" and "bonding to a rusty surface" in the same post and my coffee couldn't compensate. Clean the bejeezuz out of it with something like brake cleaner after it's scuffed a little. Whatever solvent you use, make sure there is absolutely zero residue on the pan... not even fingerprints (or powder from gloves).
Laughing Gas
Joined: Feb 2004
Posts: 1,080
Likes: 1
From: Elsinboro, NJ
I have a new oil pan and i have the por 15 starter kit. Should i just paint the pain with por 15 or should i sand it first? The instructions keep talking about the best bond to a rusty surface, but i am having a tough time bringing myself to take a wheel to this. I also have a few rattle cans of por 15 rubberized under coating. Input is appreciated.
I went the other route and just had mine Rhino Lined. They charged me $50, by the time I would have bought all the POR15 prep and application stuff, I would have been well past $50.
This entire pan was POR15'd at one time. Granted I do spend quite a bit of time at the shore but we are not that far from each other in the big picture. Make sure you stay on top of it to repair chips in the paint from stones and such, avoiding letting the rust start from the get go.
Hotshot
Joined: May 2005
Posts: 13,484
Likes: 42
From: Stevens Point, WI
NO. If it is new do not POR it because it will peal off.
Personally I undercoat new pans.
I would personally use any sort of heavy paint method before even considering PORing new metal/paint.
Personally I undercoat new pans.
I would personally use any sort of heavy paint method before even considering PORing new metal/paint.
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Hotshot
Joined: May 2005
Posts: 13,484
Likes: 42
From: Stevens Point, WI
I used POR15 on my old pan once it was rusted. With us living in the rust belt I honestly think it may have bought me another year but ultimately the rust won. POR15 is a great product that has a very strict application process that needs to be follow to a "T". I would definitely sand it first and make sure it had something to grab ahold of.
I went the other route and just had mine Rhino Lined. They charged me $50, by the time I would have bought all the POR15 prep and application stuff, I would have been well past $50.
This entire pan was POR15'd at one time. Granted I do spend quite a bit of time at the shore but we are not that far from each other in the big picture. Make sure you stay on top of it to repair chips in the paint from stones and such, avoiding letting the rust start from the get go.
I went the other route and just had mine Rhino Lined. They charged me $50, by the time I would have bought all the POR15 prep and application stuff, I would have been well past $50.
This entire pan was POR15'd at one time. Granted I do spend quite a bit of time at the shore but we are not that far from each other in the big picture. Make sure you stay on top of it to repair chips in the paint from stones and such, avoiding letting the rust start from the get go.
It is important when PORing rusted surfaces to first knock off and scrape any loose rust. POR works best on surface rust, it does not work on flaky bubbled up rust.
This was the case with my lower drivers door. In this picture you can see all the flake and bubbly rust has been knocked off and all that remains is just a nice surface rust. This is the absolute best base for POR15! I have had many many years of battling rust and like to think of myself as a rust pro!
Before any work done:
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Lead Driver
Joined: Mar 2000
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From: Hampstead, NC
I have never used POR15, but a couple years back when I replaced the pan on my truck I used the DIY truckbed liner, in a rattle can. Now, almost 2 years later it looks like the day it was installed. Not saying it is the best thing out there but it worked good for me.
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Elder User
Joined: Dec 2003
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From: Wayne, PA
Sanded, marine clean and prepped. First coat is on and drying.
I plan on getting two more coats plus i am going to spray the por15 rubberized undercoating. While sanding, i couldn't believe how thin the paint was in some spots. I also thought some of the spot welds looked like prime areas for rust if i had not treated the pan.
I plan on getting two more coats plus i am going to spray the por15 rubberized undercoating. While sanding, i couldn't believe how thin the paint was in some spots. I also thought some of the spot welds looked like prime areas for rust if i had not treated the pan.
Locomotive breath
Joined: Jan 2006
Posts: 1,354
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From: Mid Oh. Ponderosa
Mine has been on a year, still looks great.
Hotshot
Joined: Jan 2008
Posts: 13,144
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From: Rochdale MA
It is important when PORing rusted surfaces to first knock off and scrape any loose rust. POR works best on surface rust, it does not work on flaky bubbled up rust.
This was the case with my lower drivers door. In this picture you can see all the flake and bubbly rust has been knocked off and all that remains is just a nice surface rust. This is the absolute best base for POR15! I have had many many years of battling rust and like to think of myself as a rust pro!
Before any work done:
This was the case with my lower drivers door. In this picture you can see all the flake and bubbly rust has been knocked off and all that remains is just a nice surface rust. This is the absolute best base for POR15! I have had many many years of battling rust and like to think of myself as a rust pro!
Before any work done:
Hotshot
Joined: May 2005
Posts: 13,484
Likes: 42
From: Stevens Point, WI
After all was done I took a syringe and injected por into the clip holes as well. I did the same on the the other doors even if they were showing rust just to be sure.
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