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 Forge recirculating dump valve help

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carl08

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Posts : 775
Join date : 2014-01-28
Age : 38
Location : Hartlepool

PostSubject: Forge recirculating dump valve help   Thu 28 Aug - 15:09

When i had my car mapped by Bob it was making some mad noises as it started pulling boost he put it down to the Dump valve spring being weak gave me a telling off lol.. and told me i should've used the red spring that came with it and told me to change it once i got home. Any way i did and its not as bad now but its still there i looked in the box for the dump valve and also found these discs shown below! has anybody used them? i am thinking of sticking them in also to stiffen it up further and was wondering if anybody else has?

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carl08

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Posts : 775
Join date : 2014-01-28
Age : 38
Location : Hartlepool

PostSubject: Re: Forge recirculating dump valve help   Thu 28 Aug - 15:17

Not the best but a little video of the noise as you start pulling boost!

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Keiffy

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Join date : 2011-03-22
Age : 48
Location : hartlepool

PostSubject: Re: Forge recirculating dump valve help   Thu 28 Aug - 18:28

sounds like turbo chatter

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gazney101



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Join date : 2012-10-15
Age : 29
Location : thornley

PostSubject: Re: Forge recirculating dump valve help   Thu 28 Aug - 18:48

I fail to see how the dv opens under boost as the top half has the same relative air pressure as the bottom then the added spring pressure.....

Try both springs
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carl08

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Location : Hartlepool

PostSubject: Re: Forge recirculating dump valve help   Thu 28 Aug - 18:52

I have put one of the spacers in with the spring and now its not doing it, but pulling low boost i now have the chatter noise at gear change which i did not before, when i give it a bit more the dump valve opens on the gear change. So i think its sorted now?
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