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Author Topic: Turbo chatter/flutter  (Read 1832 times)

Offline Karl_mac_

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Turbo chatter/flutter
« on: April 19, 2014, 12:23:22 pm »
In my old Focus ST fitting a paper cone filter have you a really nice chatter/flutter on throttle lift off. I know this is not proper turbo chatter (which is bad) but is the noise of the recirc valve dumping air back into the inlet.

Is it possible to get a similar sound with the GTi? Its a bit of a boring engine note.
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Offline bacillus

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Re: Turbo chatter/flutter
« Reply #1 on: April 19, 2014, 01:07:48 pm »
My wife does a lot of chattering in the car so it's possible...   :laugh:
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Offline Wardy91-ed30

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Re: Turbo chatter/flutter
« Reply #2 on: April 19, 2014, 02:04:35 pm »
Fit a itg maxogen and get her mapped. She will be chattering all day long :wink:

Offline Shaw

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Re: Turbo chatter/flutter
« Reply #3 on: April 21, 2014, 11:09:32 pm »
Can be done but needs to be forced. Bring the car on boost, let off and very quickly blip the throttle. This closes the recirc valve again causing compressor stall (pigeon noises)


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Offline Wooosh

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Re: Turbo chatter/flutter
« Reply #4 on: April 23, 2014, 12:33:57 am »
Fit a itg maxogen and get her mapped. She will be chattering all day long :wink:
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