another frame coating question.
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Senior User
Joined: Oct 2007
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another frame coating question.
I am doing a frame up restoration on my 77. I took the body off last nite. I was curious what I should use to paint the frame. This will mostly be an off road truck but I want to do it right. Any advice on the chassis saver. Also what is this por 15 I keep reading about. Thanks for any suggestions. Also this frame wont be sandblasted
Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
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From: Raphine, Virginia
POR-15 is "paint over rust". Knock off the dirt and loose stuff with a pressure washer. Very durable. I've been using rust converter (Ospho etc) after doing the same, then painting with chassis black with good results.
Lead Driver
Joined: Dec 2000
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From: South central, Minnesota
I really like POR-15. I'm using it on my whole truck project. You can find out more info on it here: POR15, Inc. - Stop Rust Permanently - Repair Gas & Fuel Tanks
Posting Guru
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I like POR15 as well. It is very tough and fairly easy to use. It is also a PITA to clean up though. One thing to remember with it, if any of it is exposed to the sun, it will breakdown, so they recommend a top coat. That has to be applied while the POR15 is still tacky.
Lead Driver
Joined: Dec 2000
Posts: 6,293
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From: South central, Minnesota
I like POR15 as well. It is very tough and fairly easy to use. It is also a PITA to clean up though. One thing to remember with it, if any of it is exposed to the sun, it will breakdown, so they recommend a top coat. That has to be applied while the POR15 is still tacky.
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Yeah....but have you ever tried to scuff it??? Plus you get a better bond when its still tacky.
Lead Driver
Joined: Dec 2000
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From: South central, Minnesota
If you are worried about the bonding you just give it a coat of POR-15 self etching primer.
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Well that sounds good. Just from the research I have done the.prep work is very important. Also I hear it doesn't adhere to clean metal. My frame isn't to the point where there is rust scale it is more like a heavy surface rust. I guess I will go with the por 15 sounds like good stuff. Any tips on prep work and application. How much do you think it would take to do the frame and axles
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Lead Driver
Joined: Dec 2000
Posts: 6,293
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From: South central, Minnesota
Well that sounds good. Just from the research I have done the.prep work is very important. Also I hear it doesn't adhere to clean metal. My frame isn't to the point where there is rust scale it is more like a heavy surface rust. I guess I will go with the por 15 sounds like good stuff. Any tips on prep work and application. How much do you think it would take to do the frame and axles
POR-15 will stick fine to clean metal. Just go over it with 320 grit sand paper and follow directions. Use the "Marine-clean" to clean the surface and use their "PREP & READY" first and the POR-15 will adhere fine to clean metal.
Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
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From: Raphine, Virginia
I've used Chassis Saver and POR-15 has a good rep, but this time I'm going with the farm implement paint from TSC. Everyone I've talked to personally is completly satisfied and should be good for another 40 years. This project is a trail rig and even going with same stuff for the body. Only drawback is limited colors. Price runs $32 gallon for primer and $40 for the paint. Also will shoot fine with a cheap Lowes or Harbor Freight gun. And yes, I do have better guns and usually use higher priced paint.
Super Moderator
Joined: Dec 2005
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From: Omaha/Elkhorn, NE
I used POR-15 on my 67 Frame. Brushed it on, then scuffed it, and painted 2K Chassis Black over it. Came out great! And, yes, you want to avoid getting on you. Takes a while to wear off!
FTE Legend
Joined: Sep 2003
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From: NY and VA
I've used POR15 for years for frames, gas tanks, kids toys etc. I found that when the paint is still tacky you can spray just about anything on top of it. I did one grandkids wagon about 4 years ago and rattle canned red on it while the por was still tacky. Been outside since and still good. The tie-coat primer can be used if you are going to repaint with a different color. I think you can use their chassis paint right over the 15. Have not had much luck with the Chassis Saver (rusted under the paint) don't mix chas. sav. with lacquer thinner if going to spray - takes forever to dry.
Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
Likes: 6
From: Raphine, Virginia
I've used POR15 for years for frames, gas tanks, kids toys etc. I found that when the paint is still tacky you can spray just about anything on top of it. I did one grandkids wagon about 4 years ago and rattle canned red on it while the por was still tacky. Been outside since and still good. The tie-coat primer can be used if you are going to repaint with a different color. I think you can use their chassis paint right over the 15. Have not had much luck with the Chassis Saver (rusted under the paint) don't mix chas. sav. with lacquer thinner if going to spray - takes forever to dry.