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Thread: What is the diameter on OE IC Z20LET

  
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    2fast's Avatar
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    What is the diameter on OE IC Z20LET

    What is the diameter of the rubber pipe on the standard IC on a Z20LET...? I need the diameter of the pipe that is going from the turbo to IC. TNX.
    Astra Coupé Turbo Z20LET GT28RS

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    ADY JONES's Avatar
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    I think its about 45mm. Just measured the intake on the standard IC and thats 45mm

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    Ady, are you sure? I could have sworn it was 2" - 51mm.
    8 Astras in a row! Can Anyone Beat That?
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    Ady's right just measured mines and its 45mm but bare in mind the hose diameter is a couple of mm's smaller for a tight fit.
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    Is the outlet bigger then?
    8 Astras in a row! Can Anyone Beat That?
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    the bit at the bottom is around 42 ish mm and the pipe on the top is around 50 ish

    (its above my wardrobe)
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    Oh my god, how restrictive is that! So it goes from 70mm from the air box to 45mm after the turbo, and back up to 50 to the plenum! What were Vauxhall thinking!?
    8 Astras in a row! Can Anyone Beat That?
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