Pete_vxl
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Registered: 24th Nov 06
Location: Lochgelly, Fife
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heard this term alot and i actually have no idea what it is and what it does.... makes noise maybe? anyone shed some light
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Matt L
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Registered: 17th Apr 06
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edit: just read somewhere its a pipe that comes from the wastegate and should techincally be rejoined to the exhaust but most people dont do and dump the gasses into the atmosphere, it basically keeps the turbo spinning a bit longer than normal. very noisy and banned from most tracks due to noise and the fact it bypasse's the cat so fails emmisions
[Edited on 01-04-2008 by Matt L]
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jr
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Registered: 20th May 02
Location: Kent
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matt's pretty much covered it there
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Nismo
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Registered: 12th Sep 02
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freaking loud too!
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BluKoo
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Registered: 8th Apr 02
Location: Stonehaven (Scotland)
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Think i heard a corsa a TOTB with a screamer pipe.
It sounded like it had a posessed eagle on steroids under the bonnet.
Edit: this one http://www.youtube.com/watch?v=1eN7POLMlGk
[Edited on 01-04-2008 by BluKoo]
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Tom
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Registered: 3rd Apr 02
Location: Wirral, Merseyside
User status: Offline
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quote:
Originally posted by BluKoo
Think i heard a corsa a TOTB with a screamer pipe.
It sounded like it had a posessed eagle on steroids under the bonnet.
PMSL you thought about a career in motor journalism 
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BluKoo
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Registered: 8th Apr 02
Location: Stonehaven (Scotland)
User status: Offline
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quote:
Originally posted by Tom
quote:
Originally posted by BluKoo
Think i heard a corsa a TOTB with a screamer pipe.
It sounded like it had a posessed eagle on steroids under the bonnet.
PMSL you thought about a career in motor journalism
Well my girlfriend has mentioned that i'm a cunning linguist
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_Allan_
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Registered: 24th Mar 04
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You misheard her, she said you were a cunt!
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Superlite Ltd.
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Registered: 9th Jan 07
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Well normally when a wastegate opens on a turbo, its an internal wastegate, so dumps the gas back into the rest of the system. When you have a fancy aftermarket turbo that uses an external wastegate you either need to plumb it back into the exhaust or just have a screamer pipe dumping it to the atmospher.
That is a perfect example^
Note the external wastegate dumps its excess exhaust gas back into the rest of the system via the smaller pipe by-passing the turbo.
[Edited on 01-04-2008 by Superlite Ltd.]
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jr
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Registered: 20th May 02
Location: Kent
User status: Offline
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you can have a screamer on a internal wastegate as well apprently
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Superlite Ltd.
Member
Registered: 9th Jan 07
User status: Offline
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Thats just when your exhaust system is blowing mate
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jr
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Registered: 20th May 02
Location: Kent
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Didnt realise that ir could be done, but apprently so
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AK
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Registered: 5th Jul 00
Location: Aberdeen City
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internal wg turbo i should have said
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Superlite Ltd.
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Registered: 9th Jan 07
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Cheers you two, i didn't know that 
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AK
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Registered: 5th Jul 00
Location: Aberdeen City
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i think i've gotten confussled...
I have a distinct pic in my head, but looked at my old turbos (pics) and it doesnt ring true.... i'm sure my new ones do... or i'm just losing the plot
taxi
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phil_sutton
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Registered: 8th Sep 07
Location: Nottingham
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It will never fail emissions due to having a screamer pipe, if it did I wouldn want a damn good reason as to why they were doing burnouts while doing the test.
The wastegate only opens when you get to your pre set boost level and vents to stop the turbo spinning more. So if it opened during and mot I wouldnt be veyr happy.
They are childish and stupidly loud but it still puts a smile on my face when ever I drive it. Main reason I fitted one was that CBA and didnt have the money to put a proper / bigger exhaust on and stayed with 2.5inch. So venting to the atmosphere meant I had in a way increase the diameter of the exhaust.
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