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Thread: Help Vacuum diagram Sierra Cosworth 4x4

  1. #1
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    Help Vacuum diagram Sierra Cosworth 4x4

    Where can I find a vacuum diagram/drawing or some good pictures for Sierra Sapphire Cosworth 4x4-90

  2. #2
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    Re: Help Vacuum diagram Sierra Cosworth 4x4

    What items do you believe run off vacuum that you're looking for ?

    In reality there is pretty much only the map sensor.

    This page has lots of info, maybe it has whatever you're looking for.

    http://bigturbo.co.uk/
    9.85 @ 145mph 202mph standing mile

    https://www.youtube.com/watch?v=Ss_c7fML3rw

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    Re: Help Vacuum diagram Sierra Cosworth 4x4

    Fuel regulator , dump vavle , map sensor

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