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  1. #21
    OpelAus King Dingaling dutchy's Avatar
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    Click here to enlarge Originally Posted by Astra 429G Click here to enlarge
    Yeah was planning to get a boost gauge anyway. Will see how it goes after the rbcs bypass. Fingers crossed!
    bypass will not solve low boost issue mate and will actually not do very much. The current system is very capable of doing its job with running high boost too. Unless you got boost leak or actuator not wound up properly, it might be a cheap fix. A worn turbo or cracked seating at penny valve will costs you an arm and a leg. Get a boost gauge so you can see what reading at idle is and how its behaving when on full boost.
    2013 Astra sport 1.6T, asteroid grey, AFL+ adaptive bi-xenon headlights, FlexRide adaptive chassis control, 19" wheels, group buy door sill plates, carbon tint, de-lettered, smoked side indicators, Mtech short shifter, GM pedal covers, Click here to enlarge Irmscher stage 1
    http://www.opelaus.com/forums/showth...554#post821554

  2. #22
    I'm new here, please be nice
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    Click here to enlarge Originally Posted by dutchy Click here to enlarge
    bypass will not solve low boost issue mate and will actually not do very much. The current system is very capable of doing its job with running high boost too. Unless you got boost leak or actuator not wound up properly, it might be a cheap fix. A worn turbo or cracked seating at penny valve will costs you an arm and a leg. Get a boost gauge so you can see what reading at idle is and how its behaving when on full boost.
    Don't scare me mate! Will let you all know how she goes after the bypass. Planning to do it this weekend.

    Would it be worth getting an electric boost controller to help sort it out, or will that just make it mad?

  3. #23
    OpelAus King Dingaling dutchy's Avatar
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    Click here to enlarge Originally Posted by Astra 429G Click here to enlarge
    Don't scare me mate! Will let you all know how she goes after the bypass. Planning to do it this weekend.

    Would it be worth getting an electric boost controller to help sort it out, or will that just make it mad?
    unless you car is tuned, an ebc won't do anything because your ecu will control your standard boost anyway. If you try to get more boost (for instance tie off your actuator so valve won't open) the car will go into limp mode.
    2013 Astra sport 1.6T, asteroid grey, AFL+ adaptive bi-xenon headlights, FlexRide adaptive chassis control, 19" wheels, group buy door sill plates, carbon tint, de-lettered, smoked side indicators, Mtech short shifter, GM pedal covers, Click here to enlarge Irmscher stage 1
    http://www.opelaus.com/forums/showth...554#post821554

  4. #24
    I'm new here, please be nice
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    Yeah I'm not gonna panic too much until I've done the bypass. It still drives fine under normal driving conditions.

  5. #25
    OpelAus Forum Addict chris_r's Avatar
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    I'm gonna take a stab here, but could the low boost be as a result of a dodgy recirc valve on the turbo?
    2001 Opel Corsa C SRi: Z20LET EDS stage 3.5 173.9kW @ the wheels Build thread and here on FB: http://www.facebook.com/corsasriz20let
    2014 Ford Transit 290S: 2.2L turbo diesel and 6 speed manual goodness. Dressed in corporate livery.
    1998 Opel Combo B: It has begun - Build thread and FB page

  6. #26
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    Click here to enlarge Originally Posted by chris_r Click here to enlarge
    I'm gonna take a stab here, but could the low boost be as a result of a dodgy recirc valve on the turbo?
    I hope not. The turbo was changed a few years back by previous owner, so I'm hoping that's all ok. Seeing as the problem is intermittent, I'm guessing it's a boost control issue rather than anything mechanical or a leakage. Still drives really well when behaving.

  7. #27
    OpelAus King Dingaling dutchy's Avatar
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    dodgy or split recirc valve rubber diaphragm will cause flutter, you'll notice that straight away.
    2013 Astra sport 1.6T, asteroid grey, AFL+ adaptive bi-xenon headlights, FlexRide adaptive chassis control, 19" wheels, group buy door sill plates, carbon tint, de-lettered, smoked side indicators, Mtech short shifter, GM pedal covers, Click here to enlarge Irmscher stage 1
    http://www.opelaus.com/forums/showth...554#post821554

  8. #28
    OpelAus Forum Addict chris_r's Avatar
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    I would say it's likely a boost or vacuum leak then. But, as has already been said, a bit hard to tell without a boost gauge.
    2001 Opel Corsa C SRi: Z20LET EDS stage 3.5 173.9kW @ the wheels Build thread and here on FB: http://www.facebook.com/corsasriz20let
    2014 Ford Transit 290S: 2.2L turbo diesel and 6 speed manual goodness. Dressed in corporate livery.
    1998 Opel Combo B: It has begun - Build thread and FB page

  9. #29
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    Stay tuned boys.

    I also need to replace some of the instrument cluster bulbs which have gone out. Does anyone know what sort of replacements are needed, and whether it's worth bothering with LED bulbs?

  10. #30
    Cruise Co-ordinator adam_92's Avatar
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    I believe its t5 and yes go white LEDs for brightness
    OPEL ADDICT 1994 CORSA B 1.5D (ENGLAND) 2001 CORSA C 1.2L (ENGLAND) 2004 CORSA C 1.4L (SOLD) 2004 3.2 V6 VECTRA GTS (SOLD)
    1994 CORSA B GSI C16 CONVERTED TO Z18XE (SOLD) 2001 ASTRA VAN Z16SE (CURRENT)

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