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flutering and boost drop 

 

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 Post subject: flutering and boost drop
Posted: Thu May 09, 2013 3:04 am 
Fordmods Newbie
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Age: 35

Posts: 2

Joined: 9th May 2013

Ride: 04 ba xr6 turbo

Location: brisbane
QLD, Australia

i have a mk2 ba xr6t auto, some mods aren't really known as it was modded before i bought it, took it to elite automotive and they said it was a little lean but not unsafe, non the less, today it started to flutter under boost at lower boost it wont flutter, but when boost gets higher it flutters, it has gone down from 15psi to 12psi since the flutter started. :(

any ideas on what could be the problem?
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 Post subject: Re: flutering and boost drop
Posted: Sun May 19, 2013 12:56 am 
Getting Side Ways
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Age: 30

Posts: 824

Joined: 10th May 2007

Ride: Xr6 Turbo

Location: Melbourne
VIC, Australia

What's this "flutter" your talking about? Could be a leaking blow off valve
a small boost leak, waste gate could be partially open.....

 

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1995 ef futura - nothing special
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 Post subject: Re: flutering and boost drop
Posted: Sun May 19, 2013 1:51 am 
Fordmods Newbie
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Age: 35

Posts: 2

Joined: 9th May 2013

Ride: 04 ba xr6 turbo

Location: brisbane
QLD, Australia

The easiest way I can explain the sound is like blowing through a straw an waving a finger past the air coming out
Or to have an air line and blowing something out to clean.

It's hard to describe the sound

The car used to reach 15psi but has only reached 10 or 12 psi since the flutter started
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 Post subject: Re: flutering and boost drop
Posted: Mon May 20, 2013 9:41 pm 
Getting Side Ways
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Age: 30

Posts: 3737

Joined: 22nd May 2006

Ride: BF F6 Tornado - #0077

Location: Bendigo
VIC, Australia

Sounds like a f**k bypass valve? Have heard that they do wear a fair amount in a short time.

 

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