Full billet upper intake manifold with single throttle body, DBW?

Discussion in 'Technical' started by MORBOOST, Sep 20, 2018.

  1. MORBOOST

    MORBOOST Active Member

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    Is anybody considering using this manifold?
    Can a 80mm intake tube run to a intercooler through any of the factory holes?
    This is a 100mm tube running under the head light cant tell if its been enlarged
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    this ls3 swap has it running to side mounts, with obvious custom radiator
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    this is a bosch Motorsport 82mm throttle that works with the haltch 2500 which is now plug and play for the z32
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    Need and adaptor
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    worth noting that these throttle bodies come in 58 60 68mm which in theory adaptors could be made to suit the stock manifold.
    These things exist so here they are.
     
  2. MORBOOST

    MORBOOST Active Member

  3. MagicMike

    MagicMike Moderator Staff Member

    Kickerzx has converted to DBW, not sure which throttle bodies he used.
     
  4. kickerzx

    kickerzx Member

    "stock" 58mm tb's. Jenvey eta2 motor
     
  5. LitlElvis

    LitlElvis Z32 Servant

    This is my work in progress and yes, the hole under the headlight was modified a fair amount to get the 4" (100mm) tube to pass through. As far as I know, even a 3" (75mm) will not fit without some massaging of the sheet metal.

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  6. rob260

    rob260 Administrator Staff Member

    Ha wow and I should have know you’d have a monster lurking somewhere...
     
  7. Chrispy

    Chrispy Pretentious Upstart

    3" silicone fits with a little bit of distortion.
     
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  8. MORBOOST

    MORBOOST Active Member

    To use this intake manifold I cant see any way that the oem fan will work due to the low throttle body position made this way to fit under the bonnet. The consensus is to use a spal 16" extreme fan, depending on what radiator setup you choose will dictate what fan shroud you use. If using the standard radiator location ashspec has all ready made a shroud and 16" spal fan.
    http://www.ashspecz.com/uploads/prodImages/P0003820.jpg
    http://www.ashspecz.com/shop/prodInfo2.php?prodID=51
    Depending on what intercooler piping route you choose will dictate your cooling setup, I have seen other builds enlarge the hole for the standard location washer bottle.
     
  9. MORBOOST

    MORBOOST Active Member

    I view this manifold as a 4000rpm to 9,000rpm power band, where the standard manifold is more like a 2,000rpm to 7000pm manifold, bigger turbos means more lag moving your power band higher is the best way to take advantage for your new large turbos.
     

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