C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Carbon buildup on exhaust tips

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Old Jan 7, 2003 | 09:19 PM
  #1  
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Default Carbon buildup on exhaust tips

I noticed that the inner chrome extensions on my new Corsa system are constantly turning black with carbon after a few day of driving. Is this typical of Corvettes, or do I have "richness" problem that needs to be addressed?

And why just the "inside tips? The outer ones are clean as a whistle.

Karl
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Old Jan 7, 2003 | 09:27 PM
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Default Re: Carbon buildup on exhaust tips (MagikDraggin)

not sure if you noticed but only one of your tips is open, the other is a cosmetic "dummy tip" the black carbon is fairly normal if it's just a light coating.
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Old Jan 7, 2003 | 09:34 PM
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Default Re: Carbon buildup on exhaust tips (gtsyellow)

Like gtsyellow said only two tips are functional. I think what you describe is completely normal. :)
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Old Jan 7, 2003 | 09:39 PM
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Default Re: Carbon buildup on exhaust tips (Vette9d1)

ok... first things first... they are not "dummy's".

the outters are used at low rpm to vent the secondary pressure. they are used... it is not recommended to do anything but clean them, too.

the inners are used exclusivly at high rpm.

the next cold morning, start up, you will see steam venting from the outter tips.
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Old Jan 7, 2003 | 09:42 PM
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Default Re: Carbon buildup on exhaust tips (bogus)

:iagree:

The outer tips are functional....check with the Corsa people on that.
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Old Jan 7, 2003 | 10:41 PM
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Default Re: Carbon buildup on exhaust tips (MagikDraggin)

A little lacquer thinner on a rag will dissolve it instantly. As the name implies, keep it away from your painted stuff.
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Old Jan 7, 2003 | 10:47 PM
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Default Re: Carbon buildup on exhaust tips (ELEVENS)

A little lacquer thinner on a rag will dissolve it instantly. As the name implies, keep it away from your painted stuff.
Good info ELEVENS :cheers:

At first, I could clean mine with just a damp cloth, but lately that isn't getting the job done.

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Old Jan 8, 2003 | 01:38 PM
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Default Re: Carbon buildup on exhaust tips (bogus)

Quote:
"ok... first things first... they are not "dummy's"."
________________________________________ ________

For a minute there I was beginning to think I was the dummy ;) but then I looked and those outers sure do seem to be ported into the main chamber.

Ok guys, I do wanna thank all for the good info. Always better to be safe and check it out, before "pushing the panic button".

It's gonna be 55 degs here in "snow country" today. I think Im going to go for a nice long cruise.

Karl
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Old Jan 8, 2003 | 06:27 PM
  #9  
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Default Re: Carbon buildup on exhaust tips (MagikDraggin)

It's gonna be 55 degs here in "snow country" today. I think Im going to go for a nice long cruise.


Don't be p**p! Some of us can' get our cars out. :cry //Dave in C.R.
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Old Jan 8, 2003 | 07:14 PM
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Default Re: Carbon buildup on exhaust tips (gtsyellow)

not sure if you noticed but only one of your tips is open, the other is a cosmetic "dummy tip" the black carbon is fairly normal if it's just a light coating.
This a reply I received from Corsa when I had a question about cleaning the tips

Robert,

Thank you for the purchase and inquiry. The inner tips show the majority of the build-up due to our pressure specific design around the diameter of the pipe within the muffler. As pressure builds in the system (i.e.. wide open throttle) all four tips then become more effective. To keep them clean, we usually recommend spraying the tips with a mild solvent like a Simple Green or 409, then finishing with a liquid wax or polish. I hope this is of help and as always feel free to ask if you have further questions.

Enjoy!
Paul Santiago
CORSA Performance
Automotive Technical/Sales Rep.
psantiago@corsaperf.com
t:800-486-0999 ext.135
f:440-891-1868


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Old Jan 8, 2003 | 07:14 PM
  #11  
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Default Re: Carbon buildup on exhaust tips (GS583)


_____________________________

Don't be p**p! Some of us can' get our cars out. :cry //Dave in C.R.[/QUOTE]
_____________________________

Gee, I don't know what to tell ya, guy. If you remember not shortly after I got this car, everyone was on my back about wanting to "baby" it and not "mess it up" since it was a low-mileage ex-concourse show car.

So, I decided to go ahead and drive it. I've been driving it ever since. Hell, if it snows, I'll keep in in the garage until it melts, then drive it some more. You sound like I was, putting your baby into "hibernation" like that.

I thought about ya while I was out there today, with the wind blowing through my hair (what hair I have left), a little Aerosmith on the CD player. Even saw 4 other vettes, two drivers waved, two couldn't have cared less.

Even had time enough to put on a coat of Zaino #5 and #2. (Gotta rub it in while I can, "pun definitely intended", hahaha).

Karl
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Old Jan 8, 2003 | 07:15 PM
  #12  
fullboogie
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Default Re: Carbon buildup on exhaust tips (robtx)

I'm stunned that there's this many replies to this question.
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Old Jan 8, 2003 | 07:18 PM
  #13  
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Default Re: Carbon buildup on exhaust tips (fullboogie)

I am stunned to, most of them are the Corsa Exhaust gang :thumbs:
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Old Jan 8, 2003 | 07:25 PM
  #14  
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Default Re: Carbon buildup on exhaust tips (MagikDraggin)

I clean mine every time I wash the vette. Once a week or so. No problem with built up carbon. The exhaust system is getting a bit loud afer being on for about one year. Still sounds great to me. (another Corsa owner heard from).

:flag
:steering:
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Old Jan 11, 2003 | 04:24 AM
  #15  
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Default Re: Carbon buildup on exhaust tips (MagikDraggin)

Here is another reply...

If you paint the mufflers and tips black, you have no carbon buildup problems and better yet it looks nearly stock!

I like it that way.

:)
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