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Thread: What gearbox would be an upgrade for a z18xe astra mk4?

  
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    timbo91's Avatar
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    Question What gearbox would be an upgrade for a z18xe astra mk4?

    ]Hi, i've got an astra mk4 1.8 sxi which is the z18xe engine and i was wondering could anyone tell me a) what gearbox it has already? b) what would be a good upgrade and where could i get one?
    I want longer ratios as i think at cruising speed it revs a little high. 65mph=3000rpm.
    Also, i could get a gearbox from a calibre 2ltr 8 valve, would this fit and be an improvement.

    Cheers

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    or is there a six speed equivalent version of mine cos that would be perfect as i would have the same acceleration but with an extra gear.
    Anybody help

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    m666 edd's Avatar
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    I don't think there is any real alternative. You'll have an F17 short ratio gear box.

    Maybe you could use a F17 from a diesel but I'm guessing the ratios will be really long.
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