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Thread: What Engine Oil Best Suits My Astra GSI Turbo mk4

  
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    Ian7's Avatar
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    Exclamation What Engine Oil Best Suits My Astra GSI Turbo mk4

    Just bought a Astra Gsi Turbo Mk4 and wanted to give it a full service so i no all the oils are new but am wanting advice on oil?
    Any Help would be Great.
    Astra Sri 2.2

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    KrisC's Avatar
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    10w40 Semi Synthetic, just use the GM stuff aswell.
    Astra SRi Turbo
    281|317

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    Vaux say a 5w30 fully synth. A lot of people would cring at using a semi in a turbo.

    I currently have 10w40 in but will be changing to 5w30 for the winter.

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    Autosparks's Avatar
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    I use vauxhall fully synthetic in mine
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
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    Located in N/W London HA3, and willing to travel within reason





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    If you do a quick search for oilman

    He has recommended oils for lots of differnet cars.

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    jammy's Avatar
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    whatever it is change it often
    i use semi 10w 40 fuchs and its changed every 5k without fail
    Fitted options: Folding mirrors, cruise control, dual tone horn, remap.
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    thanks for the advice guys

    One last thing does anyone reckon useing a flushing agent at all wit it?

    Thanks again
    Astra Sri 2.2

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    No. If you regularly change the oil, it will flush itself. The oils have cleaning agents inside them.

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    5-40 full synth. I've currentky for fuchs silkolene 5-40 race oil in mine. Runs like a dream!

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    I use Mobil Formula Rally 5w50... Much better than the Shell Helix Ultra 5w40 I used before...
    Astra Coupé Turbo Z20LET GT28RS

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