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Fluttering Noise From Turbo As It Boosts
Topic Started: Mar 30 2008, 11:18 AM (277 Views)
davidgoodwinuk
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1993 WRX
[ *  *  *  * ]
hi guys, when my turbo starts to boost very first starts it flutters quite a bit before it goes in to full boost, do all scoobys do this as my other wrx i had before did the same thing.

once it goes in to full boost it is less fluttery but is stll there.

thanks
[GK-customfield]David Goodwin[customfield-GK]
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RA Jay
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4 Have Gone But Never Forgotten.
[ *  *  *  *  * ]
Has it an induction kit?
1995 WRX - 318bhp/300ftlb - SOLD - 2005
2001 WRX Bugeye - 235bhp/230ftlb - SOLD - 2007
1996 WRX Type RA - 282bhp/285ftlb - SOLD - 2008
1997 STI Type RA - 350bhp/320ftlb - SOLD - 2009
1991 Nissan Pulsar GTiR - 286bhp/280ftlb - SOLD - 2009

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rob73
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hello
[ *  *  *  *  * ]
mine does same to...nothing harsh just a slight flutter
1995 wrx wagon the cleanest around!!!
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davidgoodwinuk
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1993 WRX
[ *  *  *  * ]
no induction kit but a pipecross panle filter.
when i had my last wrx that had the standard air box and it did the same thing

thanks
[GK-customfield]David Goodwin[customfield-GK]
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RA Jay
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4 Have Gone But Never Forgotten.
[ *  *  *  *  * ]
I dont know then dude...You will get a flutter with a IK but never heard one with a standard airbox.
1995 WRX - 318bhp/300ftlb - SOLD - 2005
2001 WRX Bugeye - 235bhp/230ftlb - SOLD - 2007
1996 WRX Type RA - 282bhp/285ftlb - SOLD - 2008
1997 STI Type RA - 350bhp/320ftlb - SOLD - 2009
1991 Nissan Pulsar GTiR - 286bhp/280ftlb - SOLD - 2009

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davidgoodwinuk
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1993 WRX
[ *  *  *  * ]
coult it be the turbo on its way out. also i have a blitz BOV and i seem to get quite a bit of turbo surge ( ch ch ch ch ch ch ) as i change gear.
[GK-customfield]David Goodwin[customfield-GK]
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NeoMagic
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Here to stay
[ *  *  *  * ]
It's the Bov, sounds like it has a weak spring. Nothing to worry about the Turbo will be fine.
Posted Image
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davidgoodwinuk
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1993 WRX
[ *  *  *  * ]
brilliant Thanks very much
[GK-customfield]David Goodwin[customfield-GK]
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davidgoodwinuk
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1993 WRX
[ *  *  *  * ]
i blanked off the dump valve today and took it for a spin, it drove really differently, going in to boost seemed to go on for longer, it didnt reach full boost for quite a while yet smoother but the flutter noise was still there not as much and for not as lond but was still there.

what els could it be instead of the bov

thanks David
[GK-customfield]David Goodwin[customfield-GK]
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impreza94
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Rick GTR
[ *  *  *  * ]
What type of car is it and what top mount intercooler is fitted to the car. I ask this because my wrx does the same thing and its feedback from the turbo through the sti v4 tmic i have in my wrx.
Posted ImagePosted ImagePosted ImagePosted Image
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davidgoodwinuk
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1993 WRX
[ *  *  *  * ]
its a 94 sti with an aluminium tmic.

i am almost sure that it has something to do with the boost controller as yesterday i noticed that the controller wat ticking loudly.
i will change it and see what happens
[GK-customfield]David Goodwin[customfield-GK]
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rob73
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hello
[ *  *  *  *  * ]
i have a 3 port boost solinoid if your needing one. its in tip top working order.
1995 wrx wagon the cleanest around!!!
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davidgoodwinuk
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1993 WRX
[ *  *  *  * ]
hi rob, whats a 3 port ? is that the standard jobie,

thanks Dvaid

[GK-customfield]David Goodwin[customfield-GK]
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myblackwrx
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Doesn't have a home to go to!
[ *  *  *  *  * ]
http://www.polarperformance.co.uk/Boostsolenoid.html

You should have a 3 port solenoid as standard iirc
[GK-customfield]Paul[customfield-GK]
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Ian
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Part of team impreza
[ *  *  *  *  * ]
the blitz DV on the scoobys do make a Cha Cha Cha noise :)
im not lazy im just chilled
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davidgoodwinuk
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1993 WRX
[ *  *  *  * ]
thanks rob but i am really looking to upgrade to an manual/electronic controller.

thanks all te same.

David

p.s will the blitz b.o.v make that noise even when it starts to boost ot just when it releases.

thanks
[GK-customfield]David Goodwin[customfield-GK]
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