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Author Topic: ITG maxogen whistle  (Read 23947 times)

Offline rich83

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Re: ITG maxogen whistle
« Reply #15 on: July 10, 2012, 09:27:45 pm »
That whistle is an 'F'............ just thought you might like to know!  :signLOL: :signLOL: :signLOL:
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Offline oxygen

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Re: ITG maxogen whistle
« Reply #16 on: July 10, 2012, 11:21:25 pm »
Pretty sure my Twintake makes a similar sound on full throttle accel.

I quite like it! lol

have a listen when your down next!
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Offline jedi-knight83

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Re: ITG maxogen whistle
« Reply #17 on: July 10, 2012, 11:26:52 pm »
Quote from: oxygen on July 10, 2012, 11:21:25 pm
Pretty sure my Twintake makes a similar sound on full throttle accel.

I quite like it! lol

have a listen when your down next!

Damn.. not the answer i was hoping for.
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Offline rich83

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Re: ITG maxogen whistle
« Reply #18 on: July 10, 2012, 11:32:19 pm »
Much louder than i expected it to be mate   :scared:
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Offline R-tech-Nick

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Re: ITG maxogen whistle
« Reply #19 on: July 11, 2012, 09:15:26 am »
I notice this a lot with induction kits on the k03,  I think I will investigate it next time I get one on the dyno.  I have never noticed any power losses linked with it.

It could be to do with the n75 nipples on the turbo, for the air passing over it making a sound  like blowing across the top of a milk bottle.   But saying that I have never noticed it on a k04?

Nick
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Offline jedi-knight83

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Re: ITG maxogen whistle
« Reply #20 on: July 11, 2012, 09:17:48 am »
Quote from: R-tech-Nick on July 11, 2012, 09:15:26 am
I notice this a lot with induction kits on the k03,  I think I will investigate it next time I get one on the dyno.  I have never noticed any power losses linked with it.

It could be to do with the n75 nipples on the turbo, for the air passing over it making a sound  like blowing across the top of a milk bottle.   But saying that I have never noticed it on a k04?

Nick

I'll keep mine on till the 24th  :happy2: and you can hear it on mine

could it be air passing by the maf? the oem intake has a mesh just before the maf i noticed?
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Offline RedRobin

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Re: ITG maxogen whistle
« Reply #21 on: July 11, 2012, 09:19:08 am »
^^^^
Did someone mention nipples?  :evilgrin:

I still don't get an answer on Forge's published phone number!  :fighting: I was going to ask them about it.
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Offline JMP

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Re: ITG maxogen whistle
« Reply #22 on: July 11, 2012, 09:26:37 am »
Quote from: R-tech-Nick on July 11, 2012, 09:15:26 am
I notice this a lot with induction kits on the k03,  I think I will investigate it next time I get one on the dyno.  I have never noticed any power losses linked with it.

It could be to do with the n75 nipples on the turbo, for the air passing over it making a sound  like blowing across the top of a milk bottle.   But saying that I have never noticed it on a k04?

Nick

I have this also sometimes on my k03 GTI, but for some reason its very rare now. In fact I cannot remember hearing it for days. I have heat wrapped my intake so maybe that helped a bit.

And I had the same ITG intake on my Leon Cupra (k04) and as Nick here said, I never heard this sound in that car.
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Offline mkviken

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Re: ITG maxogen whistle
« Reply #23 on: July 11, 2012, 09:54:42 am »
i spoke to ITG about this and they said they experienced it on a small number of cars but couldn't explain why

 
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Offline jedi-knight83

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Re: ITG maxogen whistle
« Reply #24 on: July 11, 2012, 12:48:08 pm »
Interesting development.

First a tiny background on my specific intake. I bought it from a guy who had it fitted for a few weeks but removed as it whistled. ITG sent him the enclosed canister to see if that fixed it. It didnt. So he sold the whole kit... to me.

I sent Andy at ITG the sound file.. its the same sound as the previous owner was getting. Andy sent me a video clip the other guy sent him and its exactly the same noise (although possibly a bit worse on his car.

I'll try to post the video.
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Offline jedi-knight83

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Re: ITG maxogen whistle
« Reply #25 on: July 11, 2012, 12:52:28 pm »
video from the A3 owner I bought it from



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Offline mkviken

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Re: ITG maxogen whistle
« Reply #26 on: July 11, 2012, 01:07:32 pm »
yep thats exactly what mine did on my mk6.
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Offline RedRobin

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Re: ITG maxogen whistle
« Reply #27 on: July 11, 2012, 01:13:15 pm »
.
As usual with such problems which aren't immediately obvious, it has to be a process of elimination.

Has anyone tested for the 'whistle' by changing DV yet? - Surely worth a go.

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Offline jedi-knight83

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Re: ITG maxogen whistle
« Reply #28 on: July 11, 2012, 01:18:56 pm »
Quote from: RedRobin on July 11, 2012, 01:13:15 pm
.
As usual with such problems which aren't immediately obvious, it has to be a process of elimination.

Has anyone tested for the 'whistle' by changing DV yet? - Surely worth a go.



the guy I bought it from changed his and it didnt affect the noise.

Just spoken to Andy@itg again and either i'm going to his or he is coming to meet me at R-Tech on the 24th (I need to clear this with Nick first) to listen to the noise on the dyno.

He says they have had a handfull of noises like this out of the hundreds of kO3 kits they have sold and never any on the KO4 kits.
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Offline GarethB

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Re: ITG maxogen whistle
« Reply #29 on: July 11, 2012, 05:26:38 pm »
Quote from: RedRobin on July 11, 2012, 01:13:15 pm
.
As usual with such problems which aren't immediately obvious, it has to be a process of elimination.

Has anyone tested for the 'whistle' by changing DV yet? - Surely worth a go.

Pretty sure that i've already stated that the noise occurs on mine with both Rev D & Rev G DVs. Can't comment on the Forge DV though  :happy2:
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