To ceramic coat, or to not ceramic coat That is the question

JustBuggy

I've been hearing about ceramic coating. It sounds like the ceramic coat is applied to the tops of the pistons and the combustion chamber. Is this a good thing and if so why?

Would this work on a turbo engine?

vwracerdave · Posted: Thu Feb 16, 2012 5:42 am Post subject:

It works well on a very high end race car where your racing for a world record or a National championship. On a street car or an off-road play car your wasting your money.
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JustBuggy · Posted: Thu Feb 16, 2012 6:01 am Post subject:

What if it was offered to you for free?

mark tucker · Posted: Thu Feb 16, 2012 6:21 am Post subject:

if it is done properly do it,I have it on my street car motors,most of the heat go,s out the exhaust.also coat the bearings&rocker& bushings&lashcaps ,cam gear with dfl.

ALB · Posted: Thu Feb 16, 2012 6:21 am Post subject:

JustBuggy · Posted: Thu Feb 16, 2012 6:28 am Post subject:

Rocket Jim · Samba Member Joined: September 25, 2008 Posts: 11

If coating the combustion chamber and tops of pistons a good idea then wouldn't coating the entire exhaust port be a good idea?

yamaducci · Posted: Thu Feb 16, 2012 7:12 am Post subject:

Calico Coatings in NC does all the NASCAR engine parts. I also had them do all the bearings and they turned out fantastic. If the heads were fully disassembled I would have done the combustion chambers and exhaust ports.
The tops of the pistons also get the heat rejection coating like chambers and ex ports. The outside of the heads can get a heat dissapation coating. For me it was a matter of timing. While the heads were out in California being put back together I discovered they needed to be apart to have the chambers done. The pistons were also at another shop. Now that I know and still on the quest for better cooling for my tubo engine; I would do it for the added benefit on next rebuild. For now I am working on adding two fins to the CE heads to manage heat.
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JustBuggy · Posted: Thu Feb 16, 2012 7:17 am Post subject:

Do I get this right? They only coat the combustion chamber in the head and not the tops of the valves?

yamaducci · Posted: Thu Feb 16, 2012 9:13 am Post subject:

mark tucker · Posted: Thu Feb 16, 2012 1:37 pm Post subject:

JustBuggy · Posted: Thu Feb 16, 2012 11:42 pm Post subject:

I've also read about the dry film lubricants. This sounds like a good thing as well. How do you apply them?

mark tucker · Posted: Thu Feb 16, 2012 11:45 pm Post subject:

same method,just different coating.I use both.

JustBuggy · Posted: Fri Feb 17, 2012 8:19 am Post subject:

Thank you Mark, I'm going to have to look these guys up!

I'm not trying to build a super hot racing engine. However I will be using the stock cooling fan and tins along with the turbo.

I'd like to do what I can to keep as much heat out of the head and in the exhaust as possible. Seems to me to be a smart thing being exhaust heat does serve a good purpose and I don't want to overheat the heads.

mark tucker · Posted: Fri Feb 17, 2012 8:23 am Post subject:

yup keep a kool head there.
I wonder if coating the sourounding tin would let the compartment stay cooler, probably would.

gimmesomeshelter · Posted: Fri Feb 17, 2012 12:33 pm Post subject:

Hello-

If you're seriously interested in ceramic coatings, you should talk to Jake Raby. He's experimented with many coating combinagtions, and will be able to send you in the right direction.

Cheers,

Paul
_________________
"I would rather have questions that can't be answered than answers that can't be questioned."

Richard Feynman

JustBuggy · Posted: Fri Feb 17, 2012 6:39 pm Post subject:

I'd love to hear what Jake says about this subject!

OOooohhhh, Jake?
Cool

Chris659 · Posted: Fri Feb 17, 2012 8:21 pm Post subject:

Coating the exhaust header will keep more heat in the pipes and away from the heads some too.

I was also thinking about doing the underside the tins and leave the side facing the engine satin black like stock. Would I need the same type of coating as the exhaust or is it something different that I would need?

Jake Raby · Posted: Fri Feb 17, 2012 8:51 pm Post subject:

My coating development has been focused on engine internals.
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Jake Raby
Raby Engine Development
www.rabyenginedevelopment.com
"I've never given anyone Hell, I just told them the truth and they thought it was Hell"

Rocket Jim · Samba Member Joined: September 25, 2008 Posts: 11

What are the costs of having combustion chambers and pistons ceramic coated?


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