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  1. [Astra Mk5/H] [04-09] Engine Oil

    Astra, Corsa, Zafira, Meriva, Adam, Cascada, Agila
    Hi all, The car is fault free now so feel its worth giving her a service while im at it. Question is... Does the 1.8 vvt sri respond better to a 0w30 oil or a 5w30 oil? If anything I would like the engine to run smoother/quieter. Thanks!
  2. [Astra Mk5/H] [04-09] GM dexos 2 oil vs Shell Helix Ultra Professional AG 5W-30

    Astra, Corsa, Zafira, Meriva, Adam, Cascada, Agila
    Hello! I'm between the opel/gm dexos2 5w-30 oil and Shell Helix Ultra Professional AG 5W-30. Which is the best? the car is an opel astra h estate 1.6 twinport 105 hp Please suggest other dexos oils, if they are better :)
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