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Thread: Engine tuning

  1. #1
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    Default Engine tuning

    Why did vauxhall fit the z20net it seems totally un tunable compared to other vauxhall engines and with such a huge following that vauxhall has it just doesn't seem right to me I have been racking my brains as to what to do with this engine. I love my veccy but should I get rid and go for a vxr or just drop a z20let in it

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    Regular Member PORKBALLS29's Avatar
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    You What? The z20net is prob the most tuneable engine in the vectra range??!! several companies offer maps taking power to well over 300bhp! How much power do you want buddy?

  3. #3
    Regular Member rushy's Avatar
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    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

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    Its not the engine thats untenable its the engine management or more to the point the CAN system. If a let was put in there it would be the same. These same engines are running over 750bhp on off the shelf GM parts in the US, but they dont run the same CAN system. With enough time and money it can be got round but its going to be expensive. More and more manufacturers are going the same way, look at the Focus ST compared to the old Cossys. This is now going to be the way all cars will go its just that the Vec C is firs in the que. An adaptation of the Z20NET is fitted into the Insignia, and a simple map will take it over 300bhp.

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    Quote Originally Posted by rushy View Post
    Its not the engine thats untenable its the engine management or more to the point the CAN system. If a let was put in there it would be the same. These same engines are running over 750bhp on off the shelf GM parts in the US, but they dont run the same CAN system. With enough time and money it can be got round but its going to be expensive. More and more manufacturers are going the same way, look at the Focus ST compared to the old Cossys. This is now going to be the way all cars will go its just that the Vec C is firs in the que. An adaptation of the Z20NET is fitted into the Insignia, and a simple map will take it over 300bhp.
    This is exactly what I needed to hear as most people are going on about 230bhp and not really much higher can anyone put me on to a full on tunig company to get some real results

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    Regular Member PORKBALLS29's Avatar
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    Maptun do a stage 7 map which can take to 325BHP if this helps. Neo brother in Waltham cross are a supplier. HTH

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    Regular Member Jezzy's Avatar
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    Quote Originally Posted by spooney View Post
    Why did vauxhall fit the z20net it seems totally un tunable compared to other vauxhall engines and with such a huge following that vauxhall has it just doesn't seem right to me I have been racking my brains as to what to do with this engine. I love my veccy but should I get rid and go for a vxr or just drop a z20let in it
    All these people tune the Z20NET:

    www.Superchips.co.uk

    www.TorquingBHP.co.uk

    www.Maptun.com

    www.BSRuk.co.uk


    How many more do you need?

    As for Z20LET - iron block and belt driven. I'd rather have the aluminium block and chain driven NET any day.

  7. #7
    Regular Member rushy's Avatar
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    Engine : Z22SE (2.2 Petrol)

    Year : 2004

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    Default

    Some useful Ecotec links in THIS post mate.

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