ConcoursMustang Forums
Restoring - General discussions that span across many different groups of years and models => Drivetrain => Topic started by: DKutz on September 24, 2015, 03:30:41 PM
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So I had my rad hot tanked and rodded. And they did a HORRIBLE job of painting the top tank. I would like to repaint. Any recommendations on what spray paint to use. I know eastwood makes a radiator paint but its really expensive and I am only painting the top tank not the whole Rad...
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So I had my rad hot tanked and rodded. And they did a HORRIBLE job of painting the top tank. I would like to repaint. Any recommendations on what spray paint to use. I know eastwood makes a radiator paint but its really expensive and I am only painting the top tank not the whole Rad...
If you want a cheaper alternative try Krylon semi gloss. It is only around 4 or 5 dollars . It might not last long but will last for a while .It is cheaper then the Eastwood paint that is 17.99 but of course it is not designed to transfer heat in the same way as the Eastwood product. This reminds me of the saying about being penny wise and pound foolish.
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If you want a cheaper alternative - This reminds me of the saying about being penny wise and pound foolish.
There are certain areas you don't go cheap on - this is one. Use Eastwood. The entire radiator needs it.
Jim
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I used the Eastwood paint on my radiator a couple of years ago and it has held up OK. There is gloss and satin version I believe. I went with the satin paint as I did not know how glossy the glossy version would be. Was actually going to ask this question in the next couple of months as my dad is sending me his original radiator out of his Hertz car to have restored here at a local shop...What is the best sheen to use?
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I would use the glossy - but with heat cycling it will likely flatten a bit with time
Remember your looking for a lacquer
http://www.concoursmustang.com/forum/index.php?PHPSESSID=5rknpqdvb0tjn184h2cuf8o774&topic=45.msg1786#msg1786 (http://www.concoursmustang.com/forum/index.php?PHPSESSID=5rknpqdvb0tjn184h2cuf8o774&topic=45.msg1786#msg1786)
http://www.concoursmustang.com/forum/index.php?PHPSESSID=5rknpqdvb0tjn184h2cuf8o774&topic=1441.msg7670#msg7670 (http://www.concoursmustang.com/forum/index.php?PHPSESSID=5rknpqdvb0tjn184h2cuf8o774&topic=1441.msg7670#msg7670)
http://www.concoursmustang.com/forum/index.php?PHPSESSID=5rknpqdvb0tjn184h2cuf8o774&topic=1870.msg9535#msg9535 (http://www.concoursmustang.com/forum/index.php?PHPSESSID=5rknpqdvb0tjn184h2cuf8o774&topic=1870.msg9535#msg9535)
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I just had my 67 T-bird radiator re-cored. When I explained that I wanted to keep it original, they suggested sending the old one to the radiator core supplier so they could transfer the date specific tags and straps. I was quite surprised it could be done so easily and it only took a day to do. Two days for a re-core!
After repairs were completed, they asked if I wanted it painted. They only use latex paint since the others are difficult to remove. It came back looking great! Will see how it holds up.
I almost gave up hope trying to find a radiator shop in the Bay Area who actually repairs radiators.
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I imagine the paint used on most early years is the same? Even 67 W-MO?
I found someone in my area to not sandblast, not replace my core, boil out (twice), to straighten fins and re-solder my failing bottom straps. Blame the mouse for that last one.
I love the fact that the top tank, tag, straps, core and bottom tank are all original!
Enough gloating. Are we still onboard many years later with Eastwood semi-gloss for concours? This is the small radiator, so one can or two?
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Enough gloating. Are we still onboard many years later with Eastwood semi-gloss for concours? This is the small radiator, so one can or two?
Have used the Eastwood and it was glossy which I'm fine with since most originals I've seen appear to have been glossy but of course this only last a short time before the heat cycles flatten the color/gloss
Would get two. Hope that you can get a full thin coat on all the surfaces and have a whole can left over for touch ups or redoes. It might not be available next time you go to buy a can
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Glossy it is then!
Good point about buying extra paint before it goes away.
Thanks again, Jeff.
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I'm not sure gloss black is the correct finish on the radiator. I would say semi gloss black is more accurate. The radiator semi gloss would have slightly more gloss than the engine bay semi gloss. I have not seen a unrestored Ford with a gloss black radiator. Even NOS units in the Ford Box from the late 60's are not gloss black and they did not go thru heat cycles. My definition of gloss black & semi gloss black may differ from others?
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On some parts I use SEM trim black in a spray can which is definitely on the "semi" side of gloss.
In a bulk quart size and used with an HVLP it's glossier.
Next up is Rustoleum semi gloss -- almost even with the quart if sprayed light, but still slightly glossier.
The shiniest, but still semi is Rustoleum semi-gloss sprayed a bit heavy. This reminds me of dipped parts. If applied too heavy it will drip "correctly".
The Eastwood stuff is just Acrylic Enamel. How/why it's rated to 300*F is unknown.
I've heard of others using high heat paint, but I'm not cooking steaks here. I think that stuff just holds in the heat.
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Tried it.
Eastwood glossy is too glossy/shiny, even after some good rides.
Eastwood semi gloss almost perfect.
Beside the fact thats not easy at all to ship that stuff to GER. ;-)
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Beside the fact thats not easy at all to ship that stuff to GER. ;-)
A friend that lived near Bonn, had car paints shipped from the US to a paint store there. Consider that technique. That was about 10 years ago.
Jim
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If you want a cheaper alternative try Krylon semi gloss. It is only around 4 or 5 dollars . It might not last long but will last for a while .It is cheaper then the Eastwood paint that is 17.99 but of course it is not designed to transfer heat in the same way as the Eastwood product. This reminds me of the saying about being penny wise and pound foolish.
+1 on the brand and choice of paint gloss.
I would remove all of the radiator shop paint first. The radiator shop paints that I am familiar with are Krapp at best. I would not paint over them because the rattle can paint will surely curdle the old paint.
I would also suggest spraying a thin even coat of acid etch primer (2 max) on all parts of the radiator prior to spraying thin even coats of the Krylon (2) ESPECIALLY on the fins. You can apply more paint (if desired) on the tanks and straps if desired.
The acid etch primer will ensure that the paint doesn't flake off of the fins prematurely.
Frank
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I like the Duplicolor gloss black lacquer for radiators. It?s more of a satin than a comparable gloss black enamel, seems to hold up well, and not affect cooling. Just looks right to me after a few heat cycles.
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Minimize the amount of paint on the fins. It's an insulator and will affect heat transfer.
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I?m in the process of painting my radiator. Eastwood has two kinds of radiator paint and I am having trouble deciding which one to use. One is called satin, but it looks more like matte. They also have one that they call gloss. Has anyone else had experience with this stuff, or can you tell me what you did with yours? Obviously, I would like it to look as correct as possible. Thanks!
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When they were new they were more of a gloss however after a few heat cycles toned down to a satin.NOS ones that I have had were gloss also. Depending on paint used this softening of gloss will happen. Consequently most people think satin is the correct gloss. I don't know enough about the eastwood paints to make recommendation.
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Thanks Bob! That sort of confirms what I suspected.