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Author Topic: Exhaust tips - carbon up very quickly, is this a problem?  (Read 3768 times)

Offline berg

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Exhaust tips - carbon up very quickly, is this a problem?
« on: September 08, 2011, 08:35:15 pm »
Hi chaps, after a session with the wire wool and autosol i had the tips quite respectable on sunday.

I notice today that they are pretty black again - is this normal or is it a sign the the AFR needs altering?

Many thanks.
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Offline DJM

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #1 on: September 08, 2011, 08:37:47 pm »
What sort of mileage you doing? Probably normal. Mine are really bad :( spent an hour with wire wool n autosol and still black. Dont think they had ever been cleaned before prior to me buying it
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Offline berg

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #2 on: September 08, 2011, 08:38:46 pm »
Quote from: DJM on September 08, 2011, 08:37:47 pm
What sort of mileage you doing? Probably normal. Mine are really bad :( spent an hour with wire wool n autosol and still black. Dont think they had ever been cleaned before prior to me buying it


quite low mileage, only 3 miles to work so engine only just warmed up before i end up switching off
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Offline chris s

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #3 on: September 08, 2011, 08:42:34 pm »
Berg I noticed exactly the same thing  on mine, and I do the same mileage as you each day.... and wondered the same thing.  Got a TBE fitted on Monday so will see if the same build up happens
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Offline berg

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #4 on: September 08, 2011, 08:49:59 pm »
Quote from: chris s on September 08, 2011, 08:42:34 pm
Berg I noticed exactly the same thing  on mine, and I do the same mileage as you each day.... and wondered the same thing.  Got a TBE fitted on Monday so will see if the same build up happens


yeah let me know, i have pipewerx downpipe but still have oem exhaust at mo
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Offline chris s

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #5 on: September 08, 2011, 08:51:25 pm »
pretty sure all is well tho, but I have changed the plugs and coil packs in the last month so just hope it's nothing to do with that
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Offline bacillus

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #6 on: September 08, 2011, 10:06:34 pm »
Sounds pretty normal on a gti... 
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Offline Leonard

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #7 on: September 09, 2011, 07:24:26 am »
 Mine do it. Coke :jumping:d back up after a week of commuting :(
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Offline Gene Hunt

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #8 on: September 09, 2011, 07:34:25 am »
Best thing to do after a really good clean is every couple of days just give the pipes a wipe over with a soft cloth & they will stay nice & shiney. :happy2:
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Offline OEM+ DUB

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #9 on: September 09, 2011, 08:28:13 am »
Perfectly normal.  My commute is 4 miles each way and mine start to look dirty within a week.
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Offline rich83

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #10 on: September 09, 2011, 09:16:02 am »
Mine go black quickly. I have thought about getting them black ceramic coated.
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Offline Kalpsn2000

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #11 on: September 09, 2011, 11:26:36 am »
Do any of you put a sealent (I assume it has to be hi-temp) on the tail pipes after cleaning them?

Mine need cleaning and got a next week off so was planning on doing them.
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Offline DJM

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #12 on: September 09, 2011, 01:08:07 pm »
Quote from: berg on September 08, 2011, 08:49:59 pm
Quote from: chris s on September 08, 2011, 08:42:34 pm
Berg I noticed exactly the same thing  on mine, and I do the same mileage as you each day.... and wondered the same thing.  Got a TBE fitted on Monday so will see if the same build up happens


yeah let me know, i have pipewerx downpipe but still have oem exhaust at mo

Whats it sound like with that? Do you have decat? I was looking at the pipeworx downpipe and decat with oem exhaust.
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Offline Gene Hunt

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #13 on: September 09, 2011, 01:40:27 pm »
Quote from: Kalpsn2000 on September 09, 2011, 11:26:36 am
Do any of you put a sealent (I assume it has to be hi-temp) on the tail pipes after cleaning them?

Mine need cleaning and got a next week off so was planning on doing them.
...........after giving mine a good clean with metal polish i give them a final spray with ''stainles steel'' cooker top cleaner.Works a treat.
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Offline david25

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Re: Exhaust tips - carbon up very quickly, is this a problem?
« Reply #14 on: September 09, 2011, 03:41:35 pm »
Quote from: Kalpsn2000 on September 09, 2011, 11:26:36 am
Do any of you put a sealent (I assume it has to be hi-temp) on the tail pipes after cleaning them?

Mine need cleaning and got a next week off so was planning on doing them.

Yes, I used collinite 476s wax after cleaning with normal kitchen cleaner solution.

The wax makes it much eaiser to remove any black next time.
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