dump valves

2.7 V6 30v biturbo - 251bhp
2.7 V6 30v biturbo - 261bhp
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disley
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dump valves

Post by disley » Mon Sep 08, 2008 3:27 pm

I purchased a pair of bailey dv30 recirc valves for the s4
When I installed them and went for a spin I cannot hear them dumping at all
the stock ones (710a) I could hear no problem
this does not bother me but I thought it was strange
the car doesnt feel any different power wise
Also when I took the old valves off I can blow through them from charge pressure side to vacuum pipe, the bailey ones I cannot
Is that normal?

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SimonS4MTM
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RE: dump valves

Post by SimonS4MTM » Mon Sep 08, 2008 5:44 pm

FYI, they are re-circulating so you should not here any chav whoosh whoosh!

Bluebrakes
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RE: dump valves

Post by Bluebrakes » Mon Sep 08, 2008 5:57 pm

you should be able to test them with a hand vacuum pump and see the valves actuate.
If they don't hold negative pressure then they are mullered.
Why do they call it rush hour when nothing moves!?!

Standard S4, but not for long.

disley
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Re: RE: dump valves

Post by disley » Mon Sep 08, 2008 6:35 pm

SimonS4MTM wrote:FYI, they are re-circulating so you should not here any chav whoosh whoosh!
I know i shouldnt beable to hear any chav woosh, I DONT want to
what i am saying is i could hear the standard ones, the baileys ones i cant

andybnwc
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Post by andybnwc » Mon Sep 08, 2008 7:02 pm

damaged 710 will make noises , good ones should not so should be all good but if in doubt do a pressure test

disley
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Post by disley » Mon Sep 08, 2008 8:55 pm

it seems the old dvs are fecked, just thought it was strange how both were exactly the same which is what made me question it

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