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Engine Discussion of preventative/corrective maintenance and other technical issues regarding your coach's engine.

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  #1  
Old 06-15-2008
Rob Robinson's Avatar
Rob Robinson Rob Robinson is offline
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Default Radiator Cleaning

I'm getting ready to clean my radiator fins. What I'd like to know is if anyone has a recommendation for a cleaning liquid. I will be using a pressurized garden sprayer to dispense the cleaner directly on the fins. I have bent a couple of lengths of fuel piping so that I can get through the fan side and down to the corners of the rad. I plan on flushing water through from the outside (curbside)
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  #2  
Old 06-15-2008
Stephen Stephen is offline
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simple green
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  #3  
Old 06-15-2008
Stephen Stephen is offline
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fuullllll strength
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  #4  
Old 06-15-2008
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works for me to Stephen.
dang it Rob,i wish you had done this job when you were here,mine needs it too!
Randy
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  #5  
Old 06-16-2008
jwasnewski jwasnewski is offline
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Yep, simple green. Then paint the fins black. I use high temp engine paint.
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  #6  
Old 06-24-2008
Joatha Joatha is offline
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Default Painting radiator??

Quote:
Originally Posted by jwasnewski View Post
Yep, simple green. Then paint the fins black. I use high temp engine paint.
Won't the paint limit the heat transfer properties on the radiator somewhat? It may be small enough to not matter. I do know that if you get too much paint, that you can actually cause the air to not flow as well. Some years back, a buddy of mine and I ended up working on a Vette for an acquaintance of ours that had been freshly restored - including a freshly painted engine compartment (and everything in it). Radiator was fresh but had been painted. It was a bit thick in spots. So, we misted some paint remover over the fins (lacquer thinner actually), got rid of most of the paint, and re-installed it. It worked fine and we were geniuses. He and I know better.

I guess the real issue is to make sure the paint isn't too thick if you do paint it.
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  #7  
Old 06-25-2008
jwasnewski jwasnewski is offline
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There was a discussion about the paint a couple years ago. Most radiators are painted black and the consensus was the black paint aids in heat dissipation. It also aids in corrosion control. I did not overload my radiator with paint; it has been fine now for two years, still shiny.. I wash it out about once per year.
Here is a site where it is discussed by anyone with an opinion. Some supported with test data. Consensus--------black, but not overloaded.
http://www.jalopyjournal.com/forum/a.../t-151362.html
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Last edited by jwasnewski; 06-25-2008 at 01:07 PM. Reason: add url
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  #8  
Old 06-25-2008
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Black color both absorbs and radiates heat better
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  #9  
Old 06-25-2008
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I too wondered about heat disapation. I left my cooling fins unpainted assuming it would be better. I wondered about the corrosion issue though. I agree that a "mist" of high temp. flat black for BBQ grills would work well as stated. Thank the good Lord I made up the swing radiator mod! Thanks guys!!
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Last edited by Turbokitty; 06-25-2008 at 05:50 PM.
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  #10  
Old 08-29-2019
technomage99 technomage99 is offline
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Default RADIATOR CLEANER

Has anyone used the the HVAC condenser foam cleaner which works well on my house central outdoor (pollen, dust and ???) unit. I got the stuff from Amazon? They get pretty filthy, but I don't think oil gunk is not on a home HVAC condenser.
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