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  1. #11
    VXR enough Jon1796's Avatar
    Join Date
    24th August 2015


    I’d check/change plugs regap 0.7mm poss coils as well. Mines on bluefin and ‘it’s’ rich won’t pass mot on it.
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  2. #12
    VXR newbie
    Join Date
    9th October 2018


    Quote Originally Posted by El1te View Post
    I wondered that when the OP said 300hp as standard.
    I've only ever seen older 2.8 engines with 250-280hp, same as Vectra VXRs of similar age.
    I thought the Insignia VXR has a different head/valves, injectors and turbo compared to earlier versions of the engine.
    Saab 9-3 turbx had 280hp and no VVT

    9-5NG and VXR are exactly the same motor with different tunning 301hp and 300lbft

  3. #13
    Join Date
    10th August 2017


    The last of the saab 95 only came in automatic.

    Theres a massive 30% drivetrain loss thanks to auto and haldex. Post facelift insignia VXRs in automatic only make ~146kw at the wheel uncorrected.

    If afr drops to 9 you might wanna re tune it and watch your egr and knock. As you lean the mixture back.

    On a side note according to the books the last of the saab 95 was rated for 95 octane fuel while the siggy was 98 probably explain the power difference.
    Last edited by fredoops; 17th October 2018 at 05:09 AM.
    Car 1: 2016 Insignia VXR (Mods: none installed)
    Car 2: 2003 Mk7 Accord 2.4 (Mods: plenty)

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