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Customs Painting radiator without hurting cooling???

Discussion in 'The Hokey Ass Message Board' started by jamcoupe, May 24, 2010.

  1. jamcoupe
    Joined: Sep 5, 2006
    Posts: 483


    I have an aluminum radiator in my 51 chevy that I really want to paint the front black but Im worried that it will hurt the cooling though. Has anyone done this and want did you use?


    Thanks Jeff
  2. slammed
    Joined: Jun 10, 2004
    Posts: 8,151


    Lightly fog some blk paint and you be fine.
  3. Babar40
    Joined: Dec 4, 2009
    Posts: 314

    from Florida

    I believe there is a radiator type paint that is very thin. It literally just stains it black and there is no issue with thick insulating blobs of paint. No idea where I saw that,sorry.
  4. Muttley
    Joined: Nov 30, 2003
    Posts: 18,456


  5. JeffreyJames
    Joined: Jun 13, 2007
    Posts: 16,612

    from SUGAR CITY

    I painted my radiator with regular black just dusting on until completely covered. Still keeps the flathead at between 180º and 200º.
  6. HotRodHighley
    Joined: Feb 12, 2008
    Posts: 395

    from cincy, oh

    I painted my last aluminum radiator with dupli-color satin black engine paint. I have no problem's with it over heating.
  7. We have not had any issues painting ours either. Just use common sense and not lay it in there so thick it would block air flow.
  8. The ol radiator guy I use mixes kerosene and enamel paint 50/50 and it workd great and doesn't effect the cooling.HRP
  9. DavidL
    Joined: Oct 6, 2006
    Posts: 82


    I had heard always use lacquer based paint on radiators, but it looks like the Eastwood radiator paint is enamel. Looks like I learned something new today.
  10. gnichols
    Joined: Mar 6, 2008
    Posts: 10,989

    from Tampa, FL

    Get radiator paint... it is "thin," and won't effect your cooling rate. Gary

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