LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Ceramic or Stainless?

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Old Jan 10, 2005 | 01:00 PM
  #1  
ChrisUlrich's Avatar
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From: Cliffside Park, NJ
Ceramic or Stainless?

For Long Tube headers... I heard Ceramic coated is a myth, and if thats the case, i'd like Stainless Steel to match my Loudmouth...

Is there a difference in quality?
Old Jan 10, 2005 | 01:26 PM
  #2  
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Re: Ceramic or Stainless?

Who told you "ceramic coated is a myth"? Ridiculous.

Stainless will simply reduce the tendency to corrode, and nothing else. Cera-metallic coatings, which are applied both the inside and outside of the tubes, serve several purposes:

-keeps heat in the exhaust gasses, increasing scavenging and, hence, power.

-reduces tube metal temperatures, reducing oxidation of the steel, and cracking from excessive heat cycling.

-reduces under hood temperatures.

-looks good.
Old Jan 10, 2005 | 01:28 PM
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Lightbulb Re: Ceramic or Stainless?

Don't forget keeps various wires from burning/cracking/melting/fubar'ing

i have stainless; in retrospect i should've gone with coated

oh well, i'll just have to find some way/time to get the coated headers hehe

just my 2 cents
Old Jan 10, 2005 | 01:59 PM
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Re: Ceramic or Stainless?

Ceramic coating is a myth from my personal experience. My ceramic coating is gone in two winters in Illinois, and I do drive my car in the winter. Ceramic coating looks like a waste of money, unless you live in Florida, California or somewhere where is no snow and little rain. Just thinking about it, ceramic coating and steel have different expansion coefficients and the headers undergo quite a few heat cycles. Now if headers were made from ceramic, that would be a much different story- ceramic don't dissipate heat much and is resistible to environmental attacks. But it is brittle, and hard to shape.
Old Jan 10, 2005 | 02:08 PM
  #5  
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Re: Ceramic or Stainless?

You got a poor quality coating install, no doubt about it. My "used" AS&M's are 7 years old and the coating is only now showing some signs of rust around the head flanges.

Ceramic coatings were developed for use in gas turbines..... differential temperature expansion would be a much more significant issue in those, and the ceramic coatings hold up fine.

But, its your car.... if you think its a myth, don't buy it.
Old Jan 10, 2005 | 02:25 PM
  #6  
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Re: Ceramic or Stainless?

Originally Posted by Injuneer
You got a poor quality coating install, no doubt about it. My "used" AS&M's are 7 years old and the coating is only now showing some signs of rust around the head flanges.

Curious what brand you would suggest to make sure you get a good quality coating job???
Old Jan 10, 2005 | 02:26 PM
  #7  
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Re: Ceramic or Stainless?

I smell a letter to Mythbusters on this one. But yeah, as far as I know if you get a good ceramic coating you shouldn't have to worry about it. I'd beware of the cheap ebay headers that charge like 80 bucks to coat them. I'm sure it's not that great of a coating, especially for winter driven cars.
Old Jan 10, 2005 | 02:36 PM
  #8  
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Re: Ceramic or Stainless?

Originally Posted by Injuneer
You got a poor quality coating install, no doubt about it. My "used" AS&M's are 7 years old and the coating is only now showing some signs of rust around the head flanges.

Ceramic coatings were developed for use in gas turbines..... differential temperature expansion would be a much more significant issue in those, and the ceramic coatings hold up fine.

But, its your car.... if you think its a myth, don't buy it.
True, at my header install, two years ago, I did have zero experience working on cars, and my job was pretty slobby, and my first motor blew up after cam install..., like it happened to many fellow camaro board members Different story now, live and learn. I got headers scratched up trying to ram them in, and this did affected my coating peeling of faster. But still, Illinois winters did contribute as well
Old Jan 10, 2005 | 03:57 PM
  #9  
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Cool Re: Ceramic or Stainless?

I got stainless steel headers coated inside and out with Paul Barry Hi Temp 2100 degrees.

Put them on at 37,000. At 130,000 the shine is off the headers; but, for a daily driver they should look to be good as new with just a dull gray look now. Not bad for all the inclement northeast weather the car has been put through!
Old Jan 10, 2005 | 07:46 PM
  #10  
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From: Houston, TX
Re: Ceramic or Stainless?

My FLPs suck as far as the coating goes. I've had them for about two years of daily driving in and around Houston, TX. They are starting to crack,peel and turn light brown on the bottom of the collectors. For the price, I think they should've stayed shiny a little longer. Oh, and the spark plug access sucks too...

Looking at Kooks now...
Old Jan 10, 2005 | 08:51 PM
  #11  
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Re: Ceramic or Stainless?

what should i get pacesetter lts or jethot lts? is it best to get ceramic coated if i dont use it in the winter only normal dry or rain?
Old Jan 10, 2005 | 09:31 PM
  #12  
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Re: Ceramic or Stainless?

Anyone with Jet Hots care to comment? Or anything else with Pacesetter coating? I want one of these 3 headers and just loving what i'm reading. Thanks fellas... keep it coming
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