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Thread: Z20NET engine oil

  1. #1
    Regular Member ROCKATANSKY's Avatar
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    Default Z20NET engine oil

    Would anyone recommend weather I should use fully synthetic or semi and what viscosity?

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    Regular Member Marcosuk's Avatar
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    I use 5 30 fully synth..

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    Regular Member Marc 100's Avatar
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    Dealer puts Castrol 0W-30 SLX (Edge) in mine. It's a longlife fully synth oil.

  4. #4
    East Scotland Regional Organiser signumboy's Avatar
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    Vehicle : Signum

    Trim : Design

    Engine : 2.0 Ltr Turbo

    Year : 2004

    Mileage : 38000

    Default

    Quote Originally Posted by ROCKATANSKY View Post
    Would anyone recommend weather I should use fully synthetic or semi and what viscosity?
    I always use fully synthetic and always have done but i still change the oil more than i need to motor has only done 29k and oil has been changed 5 times and soon to be 6 think the viscosity is 0-40 or 0-30 ...Asda are doing Mobil 1 for £32 and that is really cheap

  5. #5
    Regular Member ROCKATANSKY's Avatar
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    So nothing thicker is recommended. That 0w-30 is that what vx specify?

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    Vehicle : Vauxhall Astra-J

    Trim : Elite

    Engine : 2.0 CDTi

    Year : 2013


  7. #7
    Regular Member Marc 100's Avatar
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    From my service book (2003) :

    "Oil grade GM-LL-A-025 for the Z20NET

    For this grade viscosities 0W-30, 0W-40, 5W-30 and 5W-40 are permitted"

    Reckon Dave's link will be the current/latest recommendation.

  8. #8
    Regular Member ROCKATANSKY's Avatar
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    Thanks peeps.....think 5w-30 it is then fully synthetic yes? 0w-30 seems too thin to me taking the mileage into account. This is my first vec c so cue many questions like this!!

  9. #9
    Regular Member Marcosuk's Avatar
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    My cars on 78k now... I just get the refill from halfrauds, its states what car on the side of the tub..

  10. #10
    Full Member Big Sig's Avatar
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    I'm going for 0w40 next
    Now I need a turbo to keep up!

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