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Old 07-08-2003, 06:43 AM
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Choices for Frame Paint.

OK here goes,
I've looked into a few different options for finishing my frame, but just can't decide what is best to use. The car i'm building is a 1970 dodge Monaco (Big and Beautiful) The frame has surface rust on it, which has now been wire brushed down by hand. I would like something that covers over the rust (and permanently keeps it down) , that can be applied by brush, and then top coated.
I've looked into POR15 system, that has the brushable rust paint, then top coated by brush in a chassis black or gray depending.

I actually purchased a rust converter for doing some work in the trunk and body. So my next option would be to painting the frame with the (Phosphoric acid) rust converter, rinse it down once dry, then etch prime, then a chassis black paint top coat.
(This option would require spraying)

Also, would brushing on POR 15 chassis black or gray paint leave ugly brush marks or does it flow nicely, and leave a decent finish ?

As the car is only a sunny day cruiser, and may see one or two local show and shines a year, will the POR do and still look OK if brushed by hand ?

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Old 07-08-2003, 07:21 AM
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The por 15 is a lot easer to use. it flows out real nice. when used on frames it shouldn`t need any top coat.CAUTION, wear a resparater. As far as the acid thing I`ve never used it so can`t say.
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Old 07-08-2003, 07:38 AM
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#1 choice is powder coating. Nothing else comes close. Second best is POR15. It isn't paint so don't judge it that way. It brushes on but then seems to bond with the steel so there aren't any brush marks left.
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Old 07-08-2003, 08:29 AM
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I`ve tryed powder coating a few times, It didn`t empress me.
Just my 1/2 cents worth.I`m sure it works good for most projects.

Troy,
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Old 07-08-2003, 09:47 AM
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I'm surprized Troy. What did't you like about the powder coating?
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Old 07-08-2003, 10:37 AM
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I`ve used it when a customer insists. Theres not as many steps to just put a good paint job on and it looks as good. It may not be as durable, but i haven`t had any problems, and it`s easyer to touch up. There isn`t many people can tell the diff. Preferance is mybe what you get use to useing.

I`m not knocking powder coating, it is a good product.

Have a nice day.

Troy,
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Old 07-08-2003, 11:09 AM
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Rob -- welcome to the Hotrodders Bulletin Board .

You might want to check out the Body-Exterior: Discussions category of the Hotrodders Knowledge Base. It's just recently been updated. Question #3 -- "What are some opinions on POR-15?" might be helpful to you. #13 too -- "What are some tips for using metal prep acid?".
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Old 07-08-2003, 11:54 AM
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Just so you know, you don't need to use etching primer if you use phosphoric acid...because phosphoric acid is METAL ETCH.

I was told by someone on a welding board that Por-15 was junk, and to use phosphoric acid on rusty areas and then paint it. I'm testing this out now, to see how well it works.

You hit the area with the acid, let it sit overnight and do whatever you want to do after that. The acid converts the rust chemically, so you want to let it soak into the rusty areas for as long as possible. If possible, don't let the acid dry in the sun, from what I am told, it will evaporate and will not have an opportunity to work.

BTW-My first car was a 1974 Monaco with a 360, that was a beautiful car. Too bad it was rusted out and the frame broke. :skeptic:
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Old 07-08-2003, 07:31 PM
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I used the POR 15 on my frame and it worked great..easy to apply with a brush and dries without brush marks..i used the high gloss black..looks great and so far is indestructable..it's not UV stable (will fade but not loose it's protection properties) so if it's exposed to the sun for extended periods you should coat it with the UV blocker, also made by POR 15.
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