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Thread: Using a nissan GTIR intake on a 20V

  1. #81
    Moderator Sam-Q's Avatar
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    the original GTiR back plates have a bit of a step in there to raise the volume a bit which we don't have. However that said 2.3L is decent.

    If the distance from the trumpet/radius to the inside of the box is one diameter or more then that's a good guide, which in this case is 48mm. Also an air box size atleast bigger than engine diaplacement which in this case is 1.5x.
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    2.5" inlet?

    From memory the box that i quickly knocked together for my engine:

    is about 4L, and a 3" inlet.

    I reckon there are gains to be had from going larger from what I have now.

  3. #83
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    Shelldrake's 4agze/20v hybrid TA22 made 236rwkw on 19psi with a plenum that had about the same (if not less) volume as the GTIR intake. his plenum didn't have any radius into the throttles either, just a plain hole in a 3mm thick box. He is now going to one of these GTIR set ups to replace the existing one.

    The 2.5" inlet is fine, since most people run 2 or 2.5" intercooler piping.

    NA plenum volume is a different kettle of fish for sure. Bigger is better I say!

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    Yeah, pressurised plenums are a different kettle of fish to NA plenums.

    But i would say that quite a few people would be running the GTIR stuff NA?

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    Senior Member DR86FT's Avatar
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    I guess it all depends on setups like turbo sizes, head work, cams and what u want the motor to do. I'm looking for response and torque so I think this would be fine for me.

  6. #86
    Moderator Sam-Q's Avatar
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    I am going to have an update in the next day or two, also we have worked out a way to make this work with a blacktop
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  7. #87
    Senior Member dtour's Avatar
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    A pic of it installed on my car. it is a shitty photo but it does the job.

  8. #88
    Moderator Sam-Q's Avatar
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    looks great, hows the clearence?

    I will have the first 4 plates ready by the end of today. I will go back though my PM list in order to see who asked first for one.

    I didn't expect to end up selling these when I started this thread, funny that. I do however want to keep things on topic so anyone has questions about sales send me a PM, for anything technical related or fitment post here.

    As for the 2.5" vs 3" inlets, I upsized on my own intake and I did pick up a small power increase, it was very sublte and part of it could of been due to the larger size being better merged into the air box.
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  9. #89
    Senior Member dtour's Avatar
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    It comes pretty close to the clutch master, roughly a centimetre away maybe.
    The stock bov location also gets close to the bonnet but most people will be cutting that off and filling it anyway.
    I have a feeling that it might fowl when there is load on the motor but I cant test that at the moment cos my shit aint running.

  10. #90
    Moderator Sam-Q's Avatar
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    did you have the heater flow control tap in there when you test fitted this one?
    My website: SQ Engineering - 4AGE and 3SGE upgrade/replacement parts

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