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  1. #71
    OpelAus Enthusiast Brando47's Avatar
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    Perhaps, your best bet is to install a boost gauge like has been said so you can have a look for yourself, a pod will help you listen to it. The way these engines spool is really smooth though, the boost doesn't hit you in the face like a lot of imports and the like

  2. #72
    I'm new here, please be nice
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    Good news all!

    For some reason, the car is running a LOT better today! Only thing I can put it down to is that I've been running 98RON fuel since I got it, and that may have cleaned an injector or etc.

    At any rate, I'm a much happier chappy Click here to enlarge

  3. #73
    Cruise Co-ordinator faneca's Avatar
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    They should only be having 98 ron, anything less and youll have issues and dash lights go on.

  4. #74
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    Hey all,

    I just had a major service done and the car is now running like a rocket!

    The only things I can put it down to was the exhaust manifold was tightened and the battery terminals were cleaned.

    Just thought I'd share, because it has made such a big difference.

  5. #75
    Cruise Co-ordinator adam_92's Avatar
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    Who done it and how much?

    Sent from my SM-N910G using Tapatalk
    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)

    Click here to enlarge

  6. #76
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    Click here to enlarge Originally Posted by adam_92 Click here to enlarge
    Who done it and how much?

    Sent from my SM-N910G using Tapatalk
    Family friend. Family rates. Click here to enlarge

  7. #77
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    And as quick as it came, it went. Still going well, but nowhere near as well as it did first time I drove it after service.

    I'm wondering if the ignition system needs attention. Plugs/Leads/Coilpack/Battery. Any diagnostic tips would be much appreciated!

  8. #78
    OpelAus Forum Addict chris_r's Avatar
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    Click here to enlarge Originally Posted by Astra 429G Click here to enlarge
    And as quick as it came, it went. Still going well, but nowhere near as well as it did first time I drove it after service.

    I'm wondering if the ignition system needs attention. Plugs/Leads/Coilpack/Battery. Any diagnostic tips would be much appreciated!
    Have you got any warning lights coming up on the dash or any error codes.

    Also, careful with tightening the exhaust manifold bolts. They don't need very much torque at all (apparently the TIS specifies only 8Nm, leave sit for 5 mins and then re-check torque). If you've overtightened these, then you may want to check your manifold isn't cracked.
    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
    2018 Ford Transit 290S: Transit #2, in that order and it's also a POS
    1998 Opel Combo B: It has begun, and it's stalled - Build thread and FB page
    2009 Holden Commodore VE SS: Gen IV LS power for the inner bogan

  9. #79
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    No warning lights coming on.

    I took it for a spin without the airbox on just to see how it sounds. A lot of turbo whine under load, but the blow off noise is very fluttery. I'm thinking the dump valve may need looking at. Any advice would be greatly appreciated.

  10. #80
    OpelAus Forum Addict chris_r's Avatar
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    Click here to enlarge Originally Posted by Astra 429G Click here to enlarge
    No warning lights coming on.

    I took it for a spin without the airbox on just to see how it sounds. A lot of turbo whine under load, but the blow off noise is very fluttery. I'm thinking the dump valve may need looking at. Any advice would be greatly appreciated.
    If you think it's the dump valve, take it out and check for cracks in the valve housing and any deterioration in the rubber diaphragm.

    It's in a bitch of a place if you have Ac and requires a bit of trickery with a 5mm Allen key to remove.

    If it's damaged, let me know, I have a brand new OE valve that'll keep you going for the time being. Either that or drop the cash on a Turbosmart Kompact Shortie recirc valve.
    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
    2018 Ford Transit 290S: Transit #2, in that order and it's also a POS
    1998 Opel Combo B: It has begun, and it's stalled - Build thread and FB page
    2009 Holden Commodore VE SS: Gen IV LS power for the inner bogan

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