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  #1  
Old 24-08-2010, 11:54 AM
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Default dump valve
I know these are hated by most people,but i have an adjustment screw on top,anyone know what this adjusts and which way to turn it
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  #2  
Old 24-08-2010, 12:21 PM
worzel
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I'll miss mine when it goes, I'm blanking mine off as suggested by Simon JGM.

I'm sure someone will have an answer. Any pics so they know what they are dealing with?
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Old 24-08-2010, 12:30 PM
Crowman
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I'll miss mine when it goes, I'm blanking mine off as suggested by Simon JGM.

I'm sure someone will have an answer. Any pics so they know what they are dealing with?
Steve
Mine is as loud withoutthe dump valve as when it had one.
Just a better sound.
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  #4  
Old 24-08-2010, 12:59 PM
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I am looking forward to the chirping for sure
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Old 24-08-2010, 12:59 PM
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I'll miss mine when it goes, I'm blanking mine off as suggested by Simon JGM.

I'm sure someone will have an answer. Any pics so they know what they are dealing with?
last time i heard one that had been blanked off it sound fantastic,best sound ever!!cant do it on mine ,wrong turbo !!!
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  #6  
Old 24-08-2010, 01:06 PM
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like this one
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  #7  
Old 24-08-2010, 01:06 PM
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last time i heard one that had been blanked off it sound fantastic,best sound ever!!cant do it on mine ,wrong turbo !!!
Not for long though maybe
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  #8  
Old 24-08-2010, 01:21 PM
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Possibly the piston adjustor?

You adjust this so that the piston is just closed when the car is at idle.
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Old 25-08-2010, 06:58 AM
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I'll miss mine when it goes, I'm blanking mine off as suggested by Simon JGM.

Hell yeah!!! Your on a H aren't you Steve? Will sound great. Feels nice to drive on too.


scooby999, personally I wouldn't bother with a BOV/VTA. Waste of time and money. The factory recircs are good. Just give it a grease up etc and it will be fine.

Steve
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Old 25-08-2010, 07:38 AM
Spooky Spooky is offline
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I'll miss mine when it goes, I'm blanking mine off as suggested by Simon JGM
No... no you won't!

The screw may be to wind up the spring to ensure the BOV stays closed under boost.
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Old 25-08-2010, 07:44 AM
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The more you screw it in the higher the revs and boost it will take to dump and will chirp instead... the more out it is the easier it will be to swoosh instead and will go off at low revs
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Old 25-08-2010, 10:50 AM
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The more you screw it in the higher the revs and boost it will take to dump and will chirp instead... the more out it is the easier it will be to swoosh instead and will go off at low revs
so i take it that winding it in is better???
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Old 25-08-2010, 11:01 AM
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Hell yeah!!! Your on a H aren't you Steve? Will sound great. Feels nice to drive on too.
I'm on a T.

Listening to CJ's, I am looking forward to it
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Old 25-08-2010, 12:54 PM
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They all sound different... Im on a T aswell and i havnt heard one sound like mine without d/v
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Old 25-08-2010, 12:56 PM
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so i take it that winding it in is better???
what turbo are you running mate ?
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Old 25-08-2010, 01:41 PM
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They all sound different... Im on a T aswell and i havnt heard one sound like mine without d/v
And I like the sound of yours too. Blimey, get me that blanking plate now!
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  #17  
Old 25-08-2010, 04:16 PM
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what turbo are you running mate ?
as far as i know its a td04
was told i can blank mine off as the turbo cant take it
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Old 25-08-2010, 05:24 PM
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Bob Rawle who is one of the best mappers in the country recommends blanking them off on TD04's

A mate has had his blanked off for years without problems
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  #19  
Old 25-08-2010, 05:38 PM
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Bob Rawle who is one of the best mappers in the country recommends blanking them off on TD04's

A mate has had his blanked off for years without problems
i did speak to RCM and they said i couldnt as mine(td04)is not a roller bearing type and not strong enough(in fairness he sought of lost me at that point as most of it started going way over my head)

It would be intresting to see what everybody else thinks.

I have wanted to blank mine off for a while(not just for the sound but its susposed to make the car more responsive0
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