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Old 20 April 2006, 10:36 AM
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RB5_245
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Question Turbo Turkey

Does anyone know how to get the gobbling turbo turkey noise that wrc cars make?

I really like it and think it sounds nicer than a dump valve
Old 20 April 2006, 10:47 AM
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Moley
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Originally Posted by RB5_245
Does anyone know how to get the gobbling turbo turkey noise that wrc cars make?

I really like it and think it sounds nicer than a dump valve
Mine did it after fitting my FMIC
Old 20 April 2006, 10:55 AM
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ScoobyDoo555
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Isn't that actually wastegate chatter?

Dan
Old 20 April 2006, 11:15 AM
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Gary C
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Is it not compressor stall/surge.

Rotating stall at the compressor tips increases until the flow stops and the pressure collapses, which collapses the rotating air at the tip, which allows the flow to build up again, which causes the rotating air at the tip, which builds up untill the flow stops and it surges again ?

This rapid cycling of pressure/flow also damages the compressor longer term.

Last edited by Gary C; 20 April 2006 at 11:39 AM.
Old 20 April 2006, 11:44 AM
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Gary C
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Try this link

http://web.mit.edu/jdpaduan/Public/P...duanoVKI01.pdf
Old 20 April 2006, 12:15 PM
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ZEN Performance
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Originally Posted by Gary C
Is it not compressor stall/surge.

Rotating stall at the compressor tips increases until the flow stops and the pressure collapses, which collapses the rotating air at the tip, which allows the flow to build up again, which causes the rotating air at the tip, which builds up untill the flow stops and it surges again ?

This rapid cycling of pressure/flow also damages the compressor longer term.
horaah for the enlightened!

To recreate the sound, remove dump valve, run lots of boost, then back off the throttle periodically. I can't ensure your turbo won't curl up and die though, depending on what it is.

paul
Old 20 April 2006, 02:20 PM
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StudentScooby
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Alternatively record turkey gobbling noise and convert to mp3 then press play when changing gear.

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Old 20 April 2006, 03:23 PM
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Give Paxo a call ,they might me able to help !!

Rob
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