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Thread: Z20let Throtle Responce With Oe Dump Valve Deacivated

  
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    THE GREEK COUPE's Avatar
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    Unhappy Z20let Throtle Responce With Oe Dump Valve Deacivated

    Hi guys i have a problem with my car [z20let] when i accelerate and then put in nutral and the dump valve dumps hard, the revs drop bellow idle and sometimes the engine cuts out .Tryed both types of bailys dump valves but the same Any ideas?????????????

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    888rich's Avatar
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    spring in the dump valve?? - this was the cause on my c20let with a bailey - uprated one in the end with a better spring solved it. have you been given the dv26-d, or a normal dv26?? miy dv26d was marked inside

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    Were have you run the boost hose from? Sounds like you havent moved it directly to the baily and its still connected to the recirc valve on the turbo.
    Z20LET Hybrid Vectra Running 347BHP / 386Lb/Ft


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    The Valve Is Connected To The Vacum Control Valve At The Back Of The Engine Directly.the Vacum Pipe That Goes To The Oe Recirc Valve Is Out Of The Car..


    Have Replaced The Dump Valve With A Hercules Dump Valve Which Is The Same In Design As The Forge Dump Valve And Is 80% Better If Not Perfect Need To Check It Today.

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