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Author Dump valve or chatter?
Nick-S
Member
Registered: 3rd Mar 04
Location: Leigh. Drives: RS Megane 230 F1 Team R26
User status: Offline
4th Mar 04 at 00:30   View User's Profile U2U Member Reply With Quote
I no this has got fook all 2 do with corsas
unless there are any crazy peeps with 2.0 turbo corsas in hear
but i was just wanted to know wot u peeps like the sound of most?

Personaly i like the sound of a dump valve because u instantly no it a turbo

But!!
I am in love with chatter

Even tho its more descrete sound unless ur runnin stupidly high boost pressure i think its a proper turbo noise.
Its lovely Makes me shiver
Wot do u peeps think?
LukeGSi
Member
Registered: 9th Dec 03
User status: Offline
4th Mar 04 at 00:34   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by GSi_16vunless there are any crazy peeps with 2.0 turbo corsas in here
Nismo
Member
Registered: 12th Sep 02
User status: Offline
4th Mar 04 at 00:39   View User's Profile U2U Member Reply With Quote
not a great lover of them but they do work well with 7's
Corsa Sport Gav
Member
Registered: 12th Feb 03
Location: Durham, County Durham Drives: A6 Allroad
User status: Offline
4th Mar 04 at 00:45   View User's Profile U2U Member Reply With Quote
wuts a chatter?
GT4Brody
Member
Registered: 26th Sep 01
Location: south
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4th Mar 04 at 00:47   View User's Profile U2U Member Reply With Quote
Wastegate chatter gav, i prefer this to d/v, my celica chattered a treat wiv hks mushroom filter
Corsa Sport Gav
Member
Registered: 12th Feb 03
Location: Durham, County Durham Drives: A6 Allroad
User status: Offline
4th Mar 04 at 00:48   View User's Profile U2U Member Reply With Quote
ah reet, there a few cars roiund my way got em, i prefer thm to d/v's
Nick-S
Member
Registered: 3rd Mar 04
Location: Leigh. Drives: RS Megane 230 F1 Team R26
User status: Offline
4th Mar 04 at 00:51   View User's Profile U2U Member Reply With Quote
Chatter is a noise not a thing.

defanition of chatter

To put it as simply as possible, this phenomenon is caused when the pressure ratio across the compressor side of the turbo becomes large enough to cause a flow reversal aross the compressor wheel. In effect the pressure in the intake manifold downstream of the turbo becomes high enough for air to flow backwards through the turbo for a split second. This has the effect of lowering the pressure in the manifold, and hence causing the flow reversal to stop. Of course as soon as this occurs the pressure downstream of the compressor can recover again and the whole process is repeated. This will happen at a fairly low frequency - say a couple of hertz and the pressure waves present in the inlet tract as a result will be audible.


basicaly wen you close the throtel boost pressure flows backwards for a split second and causes a realy cool noise
Nick-S
Member
Registered: 3rd Mar 04
Location: Leigh. Drives: RS Megane 230 F1 Team R26
User status: Offline
4th Mar 04 at 00:52   View User's Profile U2U Member Reply With Quote
GT4Brody You got gud taste!
nik
Member
Registered: 19th Jun 00
User status: Offline
4th Mar 04 at 13:12   View User's Profile U2U Member Reply With Quote
d/v's are ghey imo prefer chatter
Dav
Member
Registered: 23rd Jul 02
Location: Falkirk, Scotland
User status: Offline
4th Mar 04 at 13:19   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by born_upsideout
quote:
Originally posted by GSi_16v
unless there are any crazy peeps with 2.0 turbo corsas in here


I thought the same
stubbsy
Member
Registered: 5th Jun 01
Location: stoke-on-trent
User status: Offline
4th Mar 04 at 13:26   View User's Profile U2U Member Reply With Quote
definately the chatter, cn this be done on punto gt's?????
glasgow_corsa_c
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Registered: 13th Jan 03
Location: Ecosse
User status: Offline
4th Mar 04 at 13:37   View User's Profile U2U Member Reply With Quote
theres a Fiesta turbo roundmy way and when slowly pulling away it chatters, but if he flys away the dump valve goees...

best of both worlds
vibrio
Banned
Registered: 28th Feb 01
Location: POAH
User status: Offline
4th Mar 04 at 14:10   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by GSi_16v
I no this has got fook all 2 do with corsas
unless there are any crazy peeps with 2.0 turbo corsas in hear
but i was just wanted to know wot u peeps like the sound of most?

Personaly i like the sound of a dump valve because u instantly no it a turbo

But!!
I am in love with chatter

Even tho its more descrete sound unless ur runnin stupidly high boost pressure i think its a proper turbo noise.
Its lovely Makes me shiver
Wot do u peeps think?


run a recirc. best possible performance
stubbsy
Member
Registered: 5th Jun 01
Location: stoke-on-trent
User status: Offline
4th Mar 04 at 14:12   View User's Profile U2U Member Reply With Quote
so can ths be achieved on punto gt's vibrio??? one may be calling me if it can

[Edited on 04-03-2004 by stubbsy]
vibrio
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Registered: 28th Feb 01
Location: POAH
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4th Mar 04 at 14:16   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by stubbsy
so can ths be achieved on punto gt's vibrio??? one may be calling me if it can

[Edited on 04-03-2004 by stubbsy]



yes but it's not good to reverse the flow of air through the turbo.
stubbsy
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Registered: 5th Jun 01
Location: stoke-on-trent
User status: Offline
4th Mar 04 at 14:17   View User's Profile U2U Member Reply With Quote
so this noise is actually bad for the engine/turbo. not a good ida then if it does.
vibrio
Banned
Registered: 28th Feb 01
Location: POAH
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4th Mar 04 at 14:19   View User's Profile U2U Member Reply With Quote
it's not great for perforamnce either
Marc
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Registered: 11th Aug 02
Location: York
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4th Mar 04 at 16:55   View User's Profile U2U Member Reply With Quote
Chatter defo
Daimo B
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Registered: 20th Mar 00
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4th Mar 04 at 17:11   View User's Profile U2U Member Reply With Quote
I've always liked the actuators

[Edited on 04-03-2004 by Daimo B]
vibrio
Banned
Registered: 28th Feb 01
Location: POAH
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4th Mar 04 at 17:29   View User's Profile U2U Member Reply With Quote
actuators don;t make a noise you gimp
Marc
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Registered: 11th Aug 02
Location: York
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4th Mar 04 at 17:33   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Daimo B
I've always liked the actuators

[Edited on 04-03-2004 by Daimo B]


What is it with you and actuators?
Drew
Banned
Registered: 24th Nov 01
Location: County Durham
User status: Offline
4th Mar 04 at 17:34   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by GT4Brody
Wastegate chatter gav, i prefer this to d/v, my celica chattered a treat wiv hks mushroom filter


exactly the same as mine - hks filer and chatters away
Nismo
Member
Registered: 12th Sep 02
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4th Mar 04 at 17:35   View User's Profile U2U Member Reply With Quote
according to the Mazda owners club , a dump valve on rx7's really helps
Marc
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Registered: 11th Aug 02
Location: York
User status: Offline
4th Mar 04 at 17:38   View User's Profile U2U Member Reply With Quote
Only if your running big power.
Nismo
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Registered: 12th Sep 02
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4th Mar 04 at 17:39   View User's Profile U2U Member Reply With Quote
i shall be soon

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