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Thread: Dump valve

  
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    MIKE BERTONE's Avatar
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    Dump valve

    Hi all,

    I can't seem to find a "how to" for fitting a dump valve to a Z20LET. Can anyone help?

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    La Bertone's Avatar
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    MTB Stage II., EDS SMIC, 1.9 derestricted airbox,K&N filter, powerpipe,Collins dv, Scorpion pre-cat decat, Milltek catback system, Wössner pistons, ARP head bolts, etc...

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    dont fit it astras hate them.
    Arden Blue Astra GSi




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    Quote Originally Posted by ste_h_88 View Post
    dont fit it astras hate them.
    Not all of them My zafira doesn't mind having 1 fitted.

    What I would say is leave the o/e valve connected or use a 1 way valve to bypass it rather than fitting the spacer in place of the spring.
    no comment

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    buckle's Avatar
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    +1 for leaving the OE connected car runs better that way.

    Wouldn't say the Astra hates it though, mine ran ok with OE one blocked off, and runs near enough perfect with Baileys + OE working together.

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