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Thread: Bigger Cylinder Head.

  1. #1
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    Default Bigger Cylinder Head.

    I have a 1.8 engine,and was wondering if i can improve its performance by bolting on a 2.0/2.2 head.
    Or possibly having the 1.8 head bored out to either of the above.

    Would this work?

    I already have a large cone filter,aftermarket rear silencer,and a resistor chip on the airflow sensor.


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    Full Member Penfold101's Avatar
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    Or sell it and buy a 2.0 Turbo - easiest way of doing it dude...

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    Regular Member mattolly86's Avatar
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    in a word no, the engines will be different mate and you'll proably find the water jackets, oil feeds dont match up

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    Was just a thought.
    Would it be possible to have the haed bored out though.

    Or would it be better in the long run to get hold of a Z20NET engine and fit that instead.

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    Full Member Penfold101's Avatar
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    Save yourself the time and money and just buy a new car with the 2.0 Turbo in it mate - cheapest way of doing it and opens up all sorts of power options with BSR etc...

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    Thanks for the advice m8.Will have a brows for one now.

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    Regular Member rushy's Avatar
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    If you port the head of the newer Z GM lump the ECU throws a fit. Unless its in say an older Astra ot corsa which your lump is the newer ECU's wont allow that much tolerance, the only way round it is with a stand alone ECU, but that wont work as you wont be able to tie it in with the Canbus.

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