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Author Stage 2 Turbo?
Nick-S
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Registered: 3rd Mar 04
Location: Leigh. Drives: RS Megane 230 F1 Team R26
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27th Jul 09 at 15:07   View User's Profile U2U Member Reply With Quote
Benkid
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Registered: 16th Mar 09
Location: Wokingham
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27th Jul 09 at 15:07   View User's Profile U2U Member Reply With Quote
How the hell is bov chav? You know what a chav is Nic?
Ellis
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Registered: 11th Sep 07
Location: Aberdeenshire
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27th Jul 09 at 15:08   View User's Profile U2U Member Reply With Quote
tbf they're two different things
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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27th Jul 09 at 15:08   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Benkid
How the hell is bov chav? You know what a chav is Nic?


someone that calls a dump valve a bov, as thats what chavs do.
Benkid
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Registered: 16th Mar 09
Location: Wokingham
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27th Jul 09 at 15:09   View User's Profile U2U Member Reply With Quote
Really?
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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27th Jul 09 at 15:10   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Ellis
tbf they're two different things


Jake
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Registered: 24th Jan 05
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27th Jul 09 at 15:11   View User's Profile U2U Member Reply With Quote
the real name is deposit regulator. dump valve was a name invented by bailey
Ellis
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Registered: 11th Sep 07
Location: Aberdeenshire
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27th Jul 09 at 15:12   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Nic Barnes
quote:
Originally posted by Ellis
tbf they're two different things



Dump valve is recirc, and a bov is atmospheric - that's what I was taught at Uni.
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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27th Jul 09 at 15:12   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Ellis
quote:
Originally posted by Nic Barnes
quote:
Originally posted by Ellis
tbf they're two different things



Dump valve is recirc, and a bov is atmospheric - that's what I was taught at Uni.


thats wrong completely
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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27th Jul 09 at 15:13   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by jake
the real name is deposit regulator. dump valve was a name invented by bailey


wikipedia always was one of your strong points
Ellis
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Registered: 11th Sep 07
Location: Aberdeenshire
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27th Jul 09 at 15:13   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Nic Barnes
quote:
Originally posted by Ellis
quote:
Originally posted by Nic Barnes
quote:
Originally posted by Ellis
tbf they're two different things



Dump valve is recirc, and a bov is atmospheric - that's what I was taught at Uni.


thats wrong completely



Well tell me what's right then chiel?
Jake
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Registered: 24th Jan 05
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27th Jul 09 at 15:14   View User's Profile U2U Member Reply With Quote
dumpvalve is english blow off valve is american
sand-eel
Member
Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
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27th Jul 09 at 15:14   View User's Profile U2U Member Reply With Quote
recirc is recirc, atmos is atmos
just the type of DV.
DizzyRebel
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Registered: 2nd Jan 09
Location: Lincoln
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27th Jul 09 at 15:15   View User's Profile U2U Member Reply With Quote
God you lot are seriously over complicating something so simple.

Compressor surge is where excess boost pressure is forced back over the compressor blades of a turbo when the engine is off throttle. This can shorten the life of a turbo, so to combat this manufacturers fit 'Dump Valves' to allow excess boost pressure to escape the system and eliminate compressor surge to lengthen the life of the turbo.

However, some people run a blanking plug over where the 'Dump Valve' should sit. This gives the audible 'chatter' sound you speak of, it brings no performance gains and is purely just for the noise. Usually its only race and rally cars that run without a dump valve as they run antilag which keeps the turbo boosting even off throttle so a dump valve would defeat the object of the anti lag.
Jake
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Registered: 24th Jan 05
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27th Jul 09 at 15:17   View User's Profile U2U Member Reply With Quote
Axi-symmetric stall to be fair
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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27th Jul 09 at 15:18   View User's Profile U2U Member Reply With Quote
i run an american made dump valve.
Benkid
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Registered: 16th Mar 09
Location: Wokingham
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27th Jul 09 at 15:18   View User's Profile U2U Member Reply With Quote
They both do the same thing. I'll call 'compressor stall' turbo chatter and i'll call a 'dumpvalve' a BOV purely because i'm posting on my phone whilst driving and it's easier to write
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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27th Jul 09 at 15:19   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Benkid
They both do the same thing. I'll call 'compressor stall' turbo chatter and i'll call a 'dumpvalve' a BOV purely because i'm posting on my phone whilst driving and it's easier to write


depends what country or chav area of this country you are in tbh
Ellis
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Registered: 11th Sep 07
Location: Aberdeenshire
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27th Jul 09 at 15:19   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by sand-eel
recirc is recirc, atmos is atmos
just the type of DV.

Ah, cheers - Uni notes are wrong
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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27th Jul 09 at 15:19   View User's Profile U2U Member Reply With Quote
THUMBS
Jake
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Registered: 24th Jan 05
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27th Jul 09 at 15:19   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Nic Barnes
i run an american made dump valve.


omg
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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27th Jul 09 at 15:20   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by jake
quote:
Originally posted by Nic Barnes
i run an american made dump valve.


omg


Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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27th Jul 09 at 15:21   View User's Profile U2U Member Reply With Quote
anyway stage 2 turbo as someone else said can refer to anything. usually people say it to sell a product to people that dont know what it is they are buying.
Rick Draper
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Registered: 10th Feb 01
Location: Cheshire
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27th Jul 09 at 15:24   View User's Profile U2U Member Reply With Quote
Stage 2 turbo with a stage 3 ported head ken?
Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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27th Jul 09 at 15:24   View User's Profile U2U Member Reply With Quote
Taken from another site.

Stage 2 Hybrid
Cut Back Blades
Enlarged Compressor Wheel
.63 Exhaust Housing
A/R .42

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