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  #1  
Old 04-20-2020, 09:07 PM
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rvanstory rvanstory is offline
 
Join Date: Dec 2016
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Default Paint for Engine Baffles

I've decided to paint the aluminum pieces of the engine baffles. I have some PPG single stage urethane left over from interior that would be the right color.

Has anyone painted their baffles with "automotive paint" with success? Or, do I need to use a high temp paint?
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  #2  
Old 04-21-2020, 05:57 AM
Paul K Paul K is offline
 
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Location: Grand Rapids, MI
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Default Baffles paint

I used automotive base/clear and no issues after 7 years.
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  #3  
Old 04-21-2020, 06:29 AM
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Carl Froehlich Carl Froehlich is offline
 
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I use PPG single stage urethane for the interior and all firewall forward aluminum, including baffles. The oldest project is now pushing 20, and it still looks like new.

I use PPG DP-40LF as the primer under the urethane.

Carl
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  #4  
Old 04-21-2020, 06:48 AM
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rvanstory rvanstory is offline
 
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Thank you Paul and Carl! Just the answer (and experience) I was hoping for!
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  #5  
Old 04-21-2020, 06:49 AM
mkraus01 mkraus01 is offline
 
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I used PPG Concept on my RV-10 baffles. Going on 9 years and they have held up very well.
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  #6  
Old 04-21-2020, 06:52 AM
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BlackhawkSP BlackhawkSP is offline
 
Join Date: Jun 2011
Location: Indianapolis
Posts: 228
Default

Quote:
Originally Posted by rvanstory View Post
I've decided to paint the aluminum pieces of the engine baffles. I have some PPG single stage urethane left over from interior that would be the right color.

Has anyone painted their baffles with "automotive paint" with success? Or, do I need to use a high temp paint?
Once mine were all fitted, I took them all and had them powder coated. That stuff is tough. No regrets.
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  #7  
Old 04-21-2020, 07:47 AM
David Paule David Paule is offline
 
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Location: Boulder, CO
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It was a mistake to powder-coat the baffles on my C180. Over time, the paint flaked off. And the baffles got dirt embedded in them that I've been unable to remove.

I won't make that mistake on my RV-3B.

Dave
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  #8  
Old 04-21-2020, 08:07 AM
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rv8ch rv8ch is offline
 
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Default Plan?

Quote:
Originally Posted by David Paule View Post
... I won't make that mistake on my RV-3B. ...
What's your plan?
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  #9  
Old 04-21-2020, 09:12 AM
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RV6_flyer RV6_flyer is offline
 
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Location: NC25
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23-years ago, I painted my baffles with a rattle can of paint. Except for chips and bugs, it has held up ok. High temperature paint is not needed.
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  #10  
Old 04-21-2020, 10:35 AM
David Paule David Paule is offline
 
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Quote:
Originally Posted by rv8ch View Post
What's your plan?
I'm not sure I actually have one yet. Probably one of these -

Two-part spray paint
or
Polish
or
Anodize.

I'm leaning towards polishing them.

Dave
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