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  1. #1
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    Thumbs up 566whp 300zx on 91 with stock heads

    Here is a very interesting build that was recently finished. Very similar to what I plan on running in the future.

    Twin GT3076s, built bottom end, stock heads.

    566whp at around 17psi with 91 octane, no meth, no nitrous, no intercooler spray, etc.

    A very conservative amount of boost and timing for that setup, it will last for years and years like this.

    With race gas this setup will push 900whp+ numbers. I would of built the head but he probably wanted to maintain stock-like driveability.

    Click here to enlarge
    Click here to enlarge

    Link to thread: http://www.twinturbo.net/nissan/300z...91-octane.html

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    kinda laggy for twins, look how long it took to spool (boost line). but good numbers for pumpgas.
    Click here to enlarge
    2007 335i Coupe
    Mods: Check the Garage

  3. #3
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    Click here to enlarge Originally Posted by oddjob2021 Click here to enlarge
    kinda laggy for twins, look how long it took to spool (boost line). but good numbers for pumpgas.
    This is expected though considering he is spooling two GT3076s with a 3.0l motor that is running 8.5:1 compression.

    If he had heads with a somewhat aggressive cam he would be 600+ easy. With 93 this setup would be even more potent.

    Z1 motor sports has laid down 1000+whp with twins like this, I think they were smaller though. (3071)

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    Click here to enlarge Originally Posted by oddjob2021 Click here to enlarge
    kinda laggy for twins, look how long it took to spool (boost line). but good numbers for pumpgas.
    I was thinking the same thing. I guess he is right the compression can be the factor as to why it is showing that much lag.
    Click here to enlargeClick here to enlarge

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    Not bad for a older car, but that lag looks like it would be pretty annoying.

  6. #6
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    Here is an idea of what the vg can do with just boost on race gas:
    Click here to enlarge

    That dyno is of Specialty Z's EXP-90 kit that utilizes two GT3071r turbos shown in red, overlayed on top of their old kit that used two GT28RS turbos. It is much more like stock as far as turbo location and charge-pipe plumbing.

    They are working on a new setup that uses the GT3076's.

  7. #7
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    Click here to enlarge Originally Posted by oddjob2021 Click here to enlarge
    kinda laggy for twins, look how long it took to spool (boost line). but good numbers for pumpgas.
    The really depends on the size of the twins.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Click here to enlarge Originally Posted by SlicktopTTZ Click here to enlarge
    Here is an idea of what the vg can do with just boost on race gas:
    Click here to enlarge

    That dyno is of Specialty Z's EXP-90 kit that utilizes two GT3071r turbos shown in red, overlayed on top of their old kit that used two GT28RS turbos. It is much more like stock as far as turbo location and charge-pipe plumbing.

    They are working on a new setup that uses the GT3076's.
    I did not realize 300zx's were that strong. That is a pretty freaking beefy car. What is the upper echelon on these things or is this one of the strongest examples?

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    I did not realize 300zx's were that strong. That is a pretty freaking beefy car. What is the upper echelon on these things or is this one of the strongest examples?
    Will find, there are a few 1000whp examples out there now.

    Greg Dupree, who is the owner of Specialty Z, is currently fitting the GT3076 turbos and some nitrous.

    Here is the EXP-90 kit (3071s) on a customer car with supporting mods and 150 shot of nitrous. The timing belt was off one tooth and it was still this strong. He is planning to dyno again soon now that the timing belt has been fixed. Went from 740 to 838 on boost alone by putting the belt on correctly, so nitrous numbers should be even better than before:
    Click here to enlarge

    Link to article:http://www.motoiq.com/MagazineArticl...9/Article.aspx
    Last edited by fundahl; 06-24-2010 at 01:11 PM.

  10. #10
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    1 out of 1 members liked this post. Yes Reputation No
    1118whp.......



  11. #11
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    Z1 motorsport's convertable Z (I think it's ugly):
    Click here to enlarge

    Uses two TD06-20Gs + 260shot nitrous. They are currently working on a more modern setup with bigger turbos.

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    Ok, those are some just stupid strong cars.

    Any pics of some nice looking exterior mods on the Z's?

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  13. #13
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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge
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    My car, it's pretty ugly right now and is awaiting SPL suspension:
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  14. #14
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    ^ Not a bad looking ride. I wonder why the Supra gets so much more love?

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  15. #15
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    ^ Not a bad looking ride. I wonder why the Supra gets so much more love?
    Work on a Supra, and then work on a 300zx.

    After that you will understand.

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    Click here to enlarge Originally Posted by SlicktopTTZ Click here to enlarge
    Work on a Supra, and then work on a 300zx.

    After that you will understand.
    Explain it to me please. Guessing one is harder than the other Click here to enlarge

    I know that I-6 in the supra tends to be pretty friendly

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Explain it to me please. Guessing one is harder than the other Click here to enlarge

    I know that I-6 in the supra tends to be pretty friendly
    It doesn't really matter unless you are going to work on the car yourself, like I did. The 2JZ is easier to work on when the engine is in the car, and its layout allows for easy upgrade of the turbo system and all associated plumbing. The VG30DETT is a big tangle of charge-piping, and in order to do any sort of turbo work you must pull the engine or drop the entire front subframe.

    I will say the VG is easy to pull once you get the tranny, boost hoses and radiator out, it is basically like a square you can lift straight out. The I6s are a bit trickier because of how long they are.

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    the 300zx has no room under the hood.
    Click here to enlargeClick here to enlarge

  19. #19
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    Click here to enlarge Originally Posted by GG///M3 Click here to enlarge
    the 300zx has no room under the hood.
    Tell me about it!

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