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Oct 16, 2006 · 5,338 Posts
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May 11, 2015 Wanting to paint my all aluminum radiator a semi gloss black. Got some semi gloss Dupli color engine paint in aerosol here. Would scotch briting it and spraying it hold up? Maybe my SEM aerosol black etching primer first? Never been an aluminum painter so this is new to me. Joined Dec 1, 2008 · 1,032 Posts
Joined Apr 6, 2009 · 16,797 Posts
Wanting to paint my all aluminum radiator a semi gloss black. Got some semi gloss Dupli color engine paint in aerosol here. Would scotch briting it and spraying it hold up? Maybe my SEM aerosol black etching primer first? Never been an aluminum painter so this is new to me. I have painted several,
Fine scotch bright and a good cleaning is all you need before the paint. Have not had any that have had any problems. Joined Jul 12, 2010 · 7,710 Posts
Use the Eastwood Radiator coating more efficient heat transfer than paint. It is pretty flat color wise. This is what I used. Joined Mar 9, 2011 · 3,813 Posts
I've heard of folks having cooling problems after painting their radiator. Inadequate heat transfer. Might want to check out the pros and cons of it first. Joined Mar 8, 2007 · 70,686 Posts
I've heard of folks having cooling problems after painting their radiator. Inadequate heat transfer. Might want to check out the pros and cons of it first. Werent radiators originally painted black?
1956 chevy 210 del rey sedan Joined Feb 7, 2010 · 15,000 Posts
Just use a couple light coats as long as it isn't painted too heavy it will be fine. Joined Aug 20, 2014 · 182 Posts
Just use a couple light coats as long as it isn't painted too heavy it will be fine. Exactly ! I have a new Griffin aluminum in mine that I had a friend spray black.. Gloss actually. He used gloss enamel car paint.. No issues at all.. just light enough in the "fin" Joined Aug 4, 2008 · 2,226 Posts
Scotch bright and a light etch with aluminium cleaner will make the paint stick. Joebowtie-trifive
Can Aluminium radiators be painted?Yes, some lower cost paints could chip and peel over time, but most good quality emulsion paints can be used to paint your radiators. You just need to be sure you cover it over with a clear radiator overcoat after you've applied the emulsion.
Is it OK to paint a radiator black?But Can I Paint My Radiator Black and Slightly Improve the Efficiency? You shouldn't paint your radiator at all unless you absolutely have to. If you add layers of paint to your radiator, the paint can actually act as a form of insulation which will stop it from working as effectively.
Why do they paint radiators black?Car radiators are painted dull black because black color is both good absorber and good radiator of heat. The heat generated by the engine is efficiently radiated due to the dull black paint. The black paint emits the most heat through radiation (highest emissivity).
Can you spray paint a radiator black?As years have gone on you may need to replace the radiator or maybe you're doing a restoration on an original car and you want that original look. It's quick and easy to spray your radiator with any old black paint or even the engine paint you're using.
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Can you paint aluminum radiator black
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