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Jake

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Registered: 24th Jan 05
User status: Offline

3rd Nov 05 at 20:38

yes, it could shatter the propellers

SwN

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Registered: 12th Mar 01
Location: Torbay
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3rd Nov 05 at 20:42

which is the best option for the let then? which dump valve or recirc or whatever

fragpot

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Registered: 29th Feb 04
Location: Linlithgow, West Lothian
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3rd Nov 05 at 20:43

I put one on a 306 HDi. If you want to get fancy you could always put a switch in to turn it on and off if it starts to piss you off.

Mav, I should add that cheapo ones are prone to leaking, and in some cases will cause a pressure drop. Therefore a small drop in boost. In some severe case scenarios they could leak so badly that the Air/Fuel mix changes, which could damage your engine quite badly

Fine for a nova TD but not a nice new volvo.

[Edited on 03-11-2005 by fragpot]

fragpot

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Registered: 29th Feb 04
Location: Linlithgow, West Lothian
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3rd Nov 05 at 20:56

quote:
Originally posted by S.Nelson
which is the best option for the let then? which dump valve or recirc or whatever

Recirculating valves are generally better as they dont leek or cause unmetered air problems. Atmospheric valves just dump the air out into the engine bay, but they do have an appealing tssss noise

J da Silva

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Registered: 10th Apr 03
Location: The FACTory
User status: Offline

3rd Nov 05 at 21:01

quote:
Originally posted by Butler
i wouldnt to be honest, the sound would get annoying i reckon and they dont do any good anyway

So.... we've established you know fuck all then

John

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Registered: 30th Jun 03
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3rd Nov 05 at 21:03

quote:
Originally posted by fragpot
I put one on a 306 HDi. If you want to get fancy you could always put a switch in to turn it on and off if it starts to piss you off.

Mav, I should add that cheapo ones are prone to leaking, and in some cases will cause a pressure drop. Therefore a small drop in boost. In some severe case scenarios they could leak so badly that the Air/Fuel mix changes, which could damage your engine quite badly Fine for a nova TD but not a nice new volvo.

[Edited on 03-11-2005 by fragpot]

Dump valves aren't controlled electronically on a petrol car.
All you did on a diesel was hooked it up to a brake vacuum hose.

fragpot

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Registered: 29th Feb 04
Location: Linlithgow, West Lothian
User status: Offline

3rd Nov 05 at 21:04

You can control dump valves electronically on petrol engines as well.

vibrio

Banned

Registered: 28th Feb 01
Location: POAH
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3rd Nov 05 at 21:10

quote:
Originally posted by fragpot
You can control dump valves electronically on petrol engines as well.

bh you want to

Nath

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Registered: 3rd Apr 02
Location: MK
User status: Offline

3rd Nov 05 at 21:14

Get one, doesn't have to make noise. My Forge one makes no noise, recirc

Nic Barnes

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Registered: 5th Apr 04
Location: nowhere near ginger people
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3rd Nov 05 at 21:15

dump valves do actually serve a purpose for the engine, they are no just there for the so called chav noise you lot seem to call it.

mine makes that noise, wouldnt change it for the world

J da Silva

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Registered: 10th Apr 03
Location: The FACTory
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3rd Nov 05 at 21:21

quote:
Originally posted by muppetsport
dump valves do actually serve a purpose for the engine, they are no just there for the so called chav noise you lot seem to call it.

mine makes that noise, wouldnt change it for the world

Mate there's no point, I've done a 'Seth' and given up with the serious informative posts, you can't get through to a bunch of cunts.

Nic Barnes

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Registered: 5th Apr 04
Location: nowhere near ginger people
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3rd Nov 05 at 21:26

lol, but you gotta try convert the un-convertable, thats what the jahovas said when they knocked on me doot the other night

vibrio

Banned

Registered: 28th Feb 01
Location: POAH
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3rd Nov 05 at 21:28

quote:
Originally posted by muppetsport
dump valves do actually serve a purpose for the engine, they are no just there for the so called chav noise you lot seem to call it.

mine makes that noise, wouldnt change it for the world

atmospheric valves just make a noise they do nothing for performance

mav

Member

Registered: 19th Jun 01
Location: Scotland
User status: Offline

3rd Nov 05 at 21:32

cheers for the replies and comments

think i may look into them and see about prices and best ones, as you say if i don't like it i can sell it....

i can see a xmas pressie coming on...

I want that noise

but also want it to help engine etc...

so whats the best makes? forge?

vibrio

Banned

Registered: 28th Feb 01
Location: POAH
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3rd Nov 05 at 21:34

get a forge recirc mav. VTA valves are pointless

Nath

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Registered: 3rd Apr 02
Location: MK
User status: Offline

3rd Nov 05 at 21:35

Forge DV007P recirc valve. Better the the standard plastic Bosch thing VAG use.

mav

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Registered: 19th Jun 01
Location: Scotland
User status: Offline

3rd Nov 05 at 21:35

forge recirculation valve??? what does it improve and does it make the ptttssshhhh

mucho's

mav

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Registered: 19th Jun 01
Location: Scotland
User status: Offline

3rd Nov 05 at 21:36

quote:
Originally posted by Nath

Forge DV007P recirc valve. Better the the standard plastic Bosch thing VAG use.

cheers nath

Nath

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Registered: 3rd Apr 02
Location: MK
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3rd Nov 05 at 21:37

quote:
Originally posted by mav
forge recirculation valve??? what does it improve and does it make the ptttssshhhh

mucho's

No noise, at least not on mine anyway.

mav

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Registered: 19th Jun 01
Location: Scotland
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3rd Nov 05 at 21:39

http://www.forgemotorsport.co.uk/content.asp?inc=product&cat=0006&product=FMDV001

this different then, atmospheric?

mav

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Registered: 19th Jun 01
Location: Scotland
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3rd Nov 05 at 21:41

http://www.forgemotorsport.co.uk/content.asp?inc=product&cat=0006&product=FMDVECL102

mav

Member

Registered: 19th Jun 01
Location: Scotland
User status: Offline

3rd Nov 05 at 21:42

s40 one, recirc valve

http://www.forgemotorsport.co.uk/content.asp?inc=product&cat=2302&product=FMMIEREC

£104

Nath

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Registered: 3rd Apr 02
Location: MK
User status: Offline

3rd Nov 05 at 21:42

It is my understanding that atmos valves release the air to create the noise where as recirc make use of that air but sending it back in to be used again, hence the name recirculation valve. I'm a turbo newbie btw so i'm picking up bits here and there and puttin 2 + 2 together most of the time.

mav

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Registered: 19th Jun 01
Location: Scotland
User status: Offline

3rd Nov 05 at 21:44

thats the way it reads anyway so with a recir valve no noise..

heres a atmos one for my car, £152

http://www.forgemotorsport.co.uk/content.asp?inc=product&cat=2302&product=FMFK049

Nath

Member

Registered: 3rd Apr 02
Location: MK
User status: Offline

3rd Nov 05 at 21:46

quote:
Originally posted by mav
thats the way it reads anyway so with a recir valve no noise..

heres a atmos one for my car, £152

http://www.forgemotorsport.co.uk/content.asp?inc=product&cat=2302&product=FMFK049

Fook about! That looks like a serious bit of kit.

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