Z31 What are these on a Z31?

Discussion in 'Technical' started by Uditha Warnakulasuriya, Jan 21, 2022.

  1. Uditha Warnakulasuriya

    Uditha Warnakulasuriya New Member

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    Hi all, I just bought a 1985 300zx z31 for a restoration project. I just saw these on the two banks on the engine, does anyone know what they are? I couldn't find these on the FSM. 20220121_123735.jpg 20220121_123554.jpg
     

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  2. Madcow

    Madcow Active Member

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    Looks like EGR that has been blocked off and removed.
     
  3. NI85

    NI85 Active Member

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    The non turbo version of AIV . If I recall E.A.I system. I think it stood for Exhaust air induction. Only some FSM show it.
     
  4. Uditha Warnakulasuriya

    Uditha Warnakulasuriya New Member

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    Yeah. I found out it was the EAI system, blocked off. The EGR hose can be seen in the first phot, on the left, running to the EGR valve. Was EAI an Australian requirement?
    Does anyone have a link to a pdf of the FSM for this particular model?
     
  5. NI85

    NI85 Active Member

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    Yes, it's part of anti pollution. I only have hard copy of FSM that shows EAI system. I can scan the odd image if you need something particular.
     
  6. Uditha Warnakulasuriya

    Uditha Warnakulasuriya New Member

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    It would be great if you can send the scanned page(s) where it shows the EAI system. Thank you.
    Also, How can I identify the FSM specific to this model?
     

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