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Old 10-17-2003, 09:16 AM
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Powder Coating

Hi Guys Had my block powder coated look great.Now i am hearing that i will have over heating problems because the coating will retain heat.Is this true or just a jealous buddy.

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Old 10-17-2003, 09:21 AM
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your buddy is f.o.s.
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Old 10-17-2003, 09:22 AM
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Sorry to tell ya, but you WILL has heating probs. Even when you use the powder paint made for blocks, you still have an overheating prob.
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Old 10-17-2003, 09:41 AM
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Should be fine. Paint gets hot and dissapates heat too. Radiators are the main dissapaters of heat and they are always painted. I dunno, should be ok, but i've been known to be wrong sometimes too.

Take a peek at this.

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Old 10-17-2003, 09:43 AM
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Willys.....

have you ever had overheating problems with your hemi?
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Old 10-17-2003, 09:53 AM
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I should make a correction. It's not a definite that you will, but, of the 15 blocks we've done in the last year or so, 12 have comeback complaining that it overheats and we should have known that it would and warned them. So the most I'll stand by is that you should see a rise in engine temp. How much, however, depends on the efficiency of your cooling system.
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Old 10-17-2003, 09:57 AM
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Scott,

was it any kind of block in particular? not that i'm an expert by any means, but i've not heard of this problem before. but then again, i don't get out much either....
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Old 10-17-2003, 10:04 AM
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Not really. Had a couple of 350's a Pontiac 400 or two, some hemis, some 454's and 502's even an aluminum 4 banger. Just kinda think of powder coating like ceramic coating. The paint does dissipate some of the blocks heat, but not as well as the bare block. I would think if you get a good radiator and a pump that doesn't pump so much volume that it creates cavitation that the heat buildup couldn't be too bad.
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Old 10-17-2003, 10:04 AM
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I'll have to agree with Jmark & Larry, if all painted blocks overheat or run hotter, eveyone would have cooling probs. or rusty blocks? I would see maybe an air cooled cylinder jug being affected?
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Old 10-17-2003, 10:47 AM
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You will not have any overheating problems with a powder coated block. All powder coating is is a different way of applying paint. The paint is a powder that is applied and the the item is heated so the powder flows out, just like paint. I agree with the above post, your buddy is FOS.

Vincr
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Old 10-17-2003, 11:16 AM
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i agree with 302/z28. i had my 400 pontiac block powdercoated 2 years ago actually runs cool! doesnt run cool due to the paint obviously but has never over headed even in 95 degree weather. and i dont drive like a grandma either. so your buddy is FOS!
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Old 10-17-2003, 11:30 AM
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Hey all, I just got off the phone with our Du Point rep. Powder Paint is an insulator. Therefore will help keep the heat in the parent material. But, the rep was also telling me that some engine manufactures DO powder paint from factory. Harley Davidson is one of them. So, powder paint will cause your engines to run a little warmer, but this is apparently not a large factor. Sounds like the people that are overheating have other probs and blamed it on the coating because of basically an "urban legend". So will you see a 10-30 degree increase? Maby..... Depends on the engine. But overheat, No. Unless you don't know the difference between powder paint and ceramic coating.
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Old 10-17-2003, 11:38 AM
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well id like to know how much more the powder coating is than the ceramic??? i dont have one yet, but id like to go ahead and find out now while i can.
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Old 10-17-2003, 11:40 AM
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Well the ceramic is more expensive, but its main purpose is to enclose heat, that and it can take a lot of heat too.
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Old 10-17-2003, 11:47 AM
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where all can you take it to get it powdercoated???

where all can you take it to get it powdercoated???

sorry my computers messed up, the second statement was supposed to say:

which ones more durable, like for chassis's and stuff???
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