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Otherwise known as a Diverter Valve. Depends who you speak to... but different ways of saying the same thing basically.
well ... it does "dump" air into the intake 
not meaning to be confusing - a dump valve and diverter valve are the same technically, only on a diverter valve the outlet is connected back to the intake.
not meaning to be confusing - a dump valve and diverter valve are the same technically, only on a diverter valve the outlet is connected back to the intake.
the correct definition would be recirculating valve and atmospheric blow off valve
of which the 1.8 20v T is fitted with a recirculating valve as standard
of which the 1.8 20v T is fitted with a recirculating valve as standard
tomodono
Guest
flappin sound?? not sure wtf your on about mate? been smoking crack? 
blow off valves make lots of noise, but your not supposed to run them on 1.8Ts
the forge split R combi valve is the closest thing you can fit
blow off valves make lots of noise, but your not supposed to run them on 1.8Ts
the forge split R combi valve is the closest thing you can fit
havn't had this one for a while!!
If you want noise and a knackered engine buy an after market atmospheric DV, if you want some noise and a healthy engine buy a re-cirv after market DV (such as forge 007p) and an induction kit.
If you want noise and a knackered engine buy an after market atmospheric DV, if you want some noise and a healthy engine buy a re-cirv after market DV (such as forge 007p) and an induction kit.
havn't had this one for a while!!
If you want noise and a knackered engine buy an after market atmospheric DV, if you want some noise and a healthy engine buy a re-cirv after market DV (such as forge 007p) and an induction kit.
Exactly what I've just done...(see sig)
Used to have an HKS BOV on my GT4, but now a little older, and looking for a more stealthy approach have opted for the 007P & a Raid MaxFlow.
If by flapping you mean wastegate chatter... then a broken turbo gives you that on a 1.8T engine.
If you mean the whooshing noise, either a recirculating valve and an induction kit... or Forges new Split-R valve.
tomodono
Guest
i bought my cupra with a forge dump valve,(not atmospheric) if i remove the wastegate pipe will that give me some sort of (wooooshing) sound lol
From what i've read the 1.8T engines fault-code with they don't have a re-circ DV, so yes you'd get wooshing, and also Check-Engine-Light too....
Someone with either confirm or correct me i'm sure.
Someone with either confirm or correct me i'm sure.
tomodono
Guest
I have a 51 plate leon cupra and run a Forge 007 with a green panel filter. Get
quite a loud whoosh sound. Car goes so much better than with the standard
Bosch D.V and filter. A lot less "Laggy" than before.Money well spent
quite a loud whoosh sound. Car goes so much better than with the standard
Bosch D.V and filter. A lot less "Laggy" than before.Money well spent
There is definitely a definite whoosh with ythe Forge 007p and Induction kit but its still quite suttle but I like it this way! Sounds better when you floor it and change up! or even just lift off!
As above... the Forge 007P is a recirculating valve so you will only hear a minor noise when the air is dumped back into the air box. It is not particularly audible from the outside of the car unless you're really trying to hear it.
The Forge Split-R is a part-recirculating and part-atmospheric valve. It recirculates just enough to stop the ECU from having a fit, but dumps enough to give you the noise you want too. This valve can also be 100% recirculating if you decide you don't want the noise anymore.
The Forge Split-R is a part-recirculating and part-atmospheric valve. It recirculates just enough to stop the ECU from having a fit, but dumps enough to give you the noise you want too. This valve can also be 100% recirculating if you decide you don't want the noise anymore.
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