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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Thu Jun 21, 2012 7:51 am Post subject: Radiator Painting |
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I am getting ready to paint my radiator. What paint (brand & type) did you guys use and how did it hold up?
Dave |
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chuck Member
Joined: Jan 09, 2010 Posts: 143 Location: Nashua NH
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Posted: Thu Jun 21, 2012 11:26 am Post subject: |
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I used Eastwoods radiator black gloss on my M38,but they now have satin black if you prefer. |
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Bretto Member
Joined: Nov 24, 2010 Posts: 1390 Location: Orem, UT
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Posted: Thu Jun 21, 2012 1:04 pm Post subject: |
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A tip I heard of doing, and I did this, was when spraying the actual fins, spray at an angle so that you just cover their edges. That way you dont load too much paint down in. _________________ Brett
'51 M38
PHOTO DIARY OF MY BUILD |
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RCFlyguy Member
Joined: Jul 27, 2011 Posts: 25 Location: 2 hours southwest of Chicago, IL
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Posted: Thu Jun 21, 2012 1:17 pm Post subject: |
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To build on Bretto's post, I've also heard people say you don't want to paint the radiator fins at all because it decreases heat transfer.
What I want to know is: what part of the radiator gets painted which color. The fan shroud for example. Does it get black or OD? And the radiator housing? Radiator cap? |
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whydahdvr Member
Joined: Jul 18, 2008 Posts: 643 Location: Melrose, MA and Santa Fe, NM
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Posted: Thu Jun 21, 2012 1:24 pm Post subject: |
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Just as RCFlyguy wrote, think about the radiators in your home. You don't want to paint them (the radiator fins) because that reduces the heat transfer ability. |
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RICKG Member
Joined: Aug 31, 2010 Posts: 1744 Location: SO IDAHO
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Posted: Thu Jun 21, 2012 1:38 pm Post subject: |
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After my re-core/re-build my rad guy recommended
blowing solvent or paint thinner thru- then blowing it out w/air
removing any caustics left from the dip tank and such before painting. _________________ keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a |
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chuck Member
Joined: Jan 09, 2010 Posts: 143 Location: Nashua NH
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Posted: Thu Jun 21, 2012 2:31 pm Post subject: |
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I painted everything black with no cooling problems. Eastwoods paint is thin and will not impair cooling. Any surface that you leave bare will eventually oxidize giving future cooling problems. |
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Ryan_Miller Site Administrator
Joined: Apr 03, 2005 Posts: 1649 Location: Kansas
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Posted: Thu Jun 21, 2012 4:27 pm Post subject: |
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Radiator and attached shroud should be semi-gloss black. _________________ Ryan Miller
MVPA # 22010 |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Thu Jun 21, 2012 7:41 pm Post subject: Radiator Paint |
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Were the fins painted on the M38 radiator from the factory? Thanks for the information guys. I'll try the suggested paint technique for painting the fins. I have black lacquer that I was thinking of using. I used it on my starter, generator, voltage regulator, and cooling fan. Basically, everything black in the engine compartment has been painted with black lacquer. |
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Ryan_Miller Site Administrator
Joined: Apr 03, 2005 Posts: 1649 Location: Kansas
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Posted: Fri Jun 22, 2012 9:03 pm Post subject: |
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fins were painted, I just kept it to a minimal coating for my jeep. _________________ Ryan Miller
MVPA # 22010 |
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