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Thread: Z20let Boost pipe diameter

  
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    Z20let Boost pipe diameter

    Anyone know the boost pipe diameter for the z20let that runs from underneath the turbo to the intercooler.
    The one connected to the turbo then down to a 90 degree.

    Cheers

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    63mm i believe
    Drives a 53 plate Arden Blue Zafira A Gsi 2ltr turbo...

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    turbo outlet is 51mm and where it connects to standard intercooler its shrunk to about 40mm

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    I'll wait for more replies me thinks lol
    cheers.

    Im not running a standard cooler, got an uprated SMIC.
    Yea i need the outlet diameter.

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    Yea turbo outlet is 51mm mate.
    GSi

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    Quote Originally Posted by MACKA View Post
    Yea turbo outlet is 51mm mate.
    Cool, cheers ben.

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    Oooo, just found a spare piece of samco 54mm from my old Cupra FMIC setup
    Hopefully should be ok.

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    Whats happened to yours then mate?
    GSi

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    sorry mate it is 51mm ,dont know what i was thinking about...
    Drives a 53 plate Arden Blue Zafira A Gsi 2ltr turbo...

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    Quote Originally Posted by MACKA View Post
    Whats happened to yours then mate?
    Only something minor, but on part thottle as the boost builds slowly, without any adjustments to the pedal my boost goes right up then down and up and down an so on lol

    I've got all new vac hoses, with Rear BCS bypassed and even blanked off the boost gauge but still the same, its abit better with the collins DV on but still not perfect.

    So i remembered when i was changing the turbo, the outlet pipe looked dodgy so im gona change that to cross that off the list of possible causes.

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