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Canadian Poncho Homepage -> Canadian Poncho -> General Engine Performance Forum -> Black radiator paint
Post Info TOPIC: Black radiator paint
4SPEED427


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Black radiator paint
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Is Eastwood the only company that sells black radiator paint? I don't want to spray my nice new aluminum rad with regular paint because I've been told that's a great way to reduce it's efficiency. Anyone seen any other place to buy specific radiator paint?

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
Pontiacanada


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Would a special primer for aluminum (just the tank maybe) be needed? I dunno.



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Prince Edward Island

'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.

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cdnpont


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It's the opposite Carl. Painting it black is said to increase the efficiency ever so slightly.

BBQ Black is a good material to use. Make sure the tanks are degreased. Spray it on very lightly, just enough to get coverage. 



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 
4SPEED427


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Yes, the more I read the more I know the black is good, but then I see warnings that normal paint is too thick. I sure don't want to screw up a brand new rad!

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
Greaser


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When I was working, we used  SEM self etching primer on aluminium (sometimes large sheets)

it was the best primer to keep the paint on the aluminium and prevented peeling.

Might want to consider using this product first before painting the radiator.

https://www.semproducts.com/product/self-etching-primer/39673

Self Etching Primer - 39673



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4SPEED427


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I wonder if I could just use primer and be done? I don't want it getting layers on there.

I may just be paranoid but I sure don't want to insulate my new rad!

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
cdnpont


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I believe the aluminum rads have some kind of clear on them. Mine does. If so, then the self etching is redundant.

I think I'd give the tanks a chlorinated brake cleaner wipe down, then a very light scuff with some ultra fine Scotchbrite. Wipe and paint.



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 
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Teich


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Carl check with local or Wpg. rad shop I belive they use a special paint flat or gloss, two shops in Brdn. one uses the flat other the gloss instant id. Laurie

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LandShark68_2+2


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Carl .. have you done anything about this yet ?

I bought the same rad and I'm curious on how you proceeded with paint ?

 

Regards, Scott (LandShark ...)

 



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4SPEED427


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No, not yet. I shopped around locally and had no luck. I'm still thinking I may buy Eastwood's rad paint just to be on the safe side. Not quite sure yet, and I have over the summer to decide still.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
bensonr


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I used Rustoleum barbecue grill paint, and no problems so far.

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63-7867


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Carl, did you use Eastwood's rad paint and their self etching primer? If so, how did it work for you?

Thanks,
Jeff

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4SPEED427


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63-7867 wrote:

Carl, did you use Eastwood's rad paint and their self etching primer? If so, how did it work for you?

Thanks,
Jeff

 No I didn't, I actually just used a parts store paint. I think it was flat black but it might have been semi gloss, I kind of forget now. I've been happy with the results at any rate. No indication that the radiator is not performing up to its full potential because of being painted. That was my big concern.

 



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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
63-7867


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Thanks Carl. Did you use a primer?

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4SPEED427


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I didn't and I find it does chip/scratch pretty easy. I'm ok with that because my desire is for my car not to look restored under the hood but to look unrestored, as the car is. The fresh engine actually looks a bit out of place.

Primer on the tanks might be a good idea. I don't think I'd do the fins, just the tanks and mounting brackets.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
LT1Caddy


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I used a "knock off" GM engine compartment paint. We'll see how it works out. I can't see the paint making a lot of difference. If anything, the paint would burn off, but as to insulate the rad....nah.
Rad looks great...

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63-7867


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Thanks Carl.

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