Silvia Club of NSW

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 Post subject: It's finally here!
PostPosted: Wed Dec 20, 2006 2:05 pm 
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Token Old Guy
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Finally after waiting months for Garrett to get their act together, I have finally got my new turbo. It is a GT3076R but as Morrie said the plate says GT3037S-56T.

I know a few of you are interested in the anti surge mod, so I will try take some photos tonight with and without the mod in place.

Edit:
Here are the photos I took last night. I thought I would kill two birds with one stone and compared it against the T2871R at the same time. There is one comparision shot of the T25G and the GT2871R.

http://upload.silviansw.com/CT01U.JPG
http://upload.silviansw.com/CT02U.JPG
http://upload.silviansw.com/CT03U.JPG
http://upload.silviansw.com/CT04U.JPG
http://upload.silviansw.com/CT05U.JPG
http://upload.silviansw.com/CT06U.JPG
http://upload.silviansw.com/CT07U.JPG
http://upload.silviansw.com/CT08U.JPG
http://upload.silviansw.com/CT09U.JPG
http://upload.silviansw.com/CT10U.JPG
http://upload.silviansw.com/CT11U.JPG
http://upload.silviansw.com/CT12U.JPG
http://upload.silviansw.com/CT13U.JPG
http://upload.silviansw.com/CT14U.JPG
http://upload.silviansw.com/CT15U.JPG
http://upload.silviansw.com/CT16U.JPG
http://upload.silviansw.com/CT17U.JPG
http://upload.silviansw.com/CT18U.JPG

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Last edited by 182Go on Thu Dec 21, 2006 8:42 am, edited 2 times in total.

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PostPosted: Wed Dec 20, 2006 2:56 pm 
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Quad T66
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by mod you mean a compressor cover with holes in it ?


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PostPosted: Wed Dec 20, 2006 3:21 pm 
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mokompri wrote:
by mod you mean a compressor cover with holes in it ?


No its an alloy insert that form a bell mouth and the anti surge function.

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PostPosted: Wed Dec 20, 2006 3:25 pm 
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yeah it sits on the inlet mouth right ?
like the one in this pic
Image


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PostPosted: Wed Dec 20, 2006 3:51 pm 
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No it sits in the air path going into the turbo not out.

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PostPosted: Wed Dec 20, 2006 4:15 pm 
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whats the picture i posted show ? i cant actually see it but i thought it was the right link :lol:

it should show a turbo with a compressor cover that has holes in it where air enters which is what i meant by mouth inlet


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PostPosted: Wed Dec 20, 2006 4:17 pm 
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mokompri wrote:
whats the picture i posted show ? i cant actually see it but i thought it was the right link :lol:

it should show a turbo with a compressor cover that has holes in it where air enters which is what i meant by mouth inlet


It doesn't even have a turbo in the picture :lol: . It looks like a 6 cyl HKS top mount pipes, there is something where the turbo mounts but cant see it clearly enough. I would say it was the wrong link.

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PostPosted: Wed Dec 20, 2006 4:21 pm 
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haha oops... damn work proxy blocks all pics :(

its from some dudes signature on SAU, he must have changed it recently


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PostPosted: Wed Dec 20, 2006 5:32 pm 
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Like this??

Image

This was my old HKS 2530Kai

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PostPosted: Wed Dec 20, 2006 7:47 pm 
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Should look like this one, considering it's the same turbo.

Image

Thanks to carl h for the image.

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PostPosted: Thu Dec 21, 2006 8:48 am 
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In the pics you will notice a slit all the way around the comp housing near where the compressor wheel goes. You will also notice an air gap all the way around the outside of the bell mouth insert. The air recirculates through the slot back up the sides and back into the bell mouth. This apperently widens the surge margin as per the maps on the Garrett website.

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PostPosted: Thu Dec 21, 2006 9:05 am 
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Quad T04
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Interesting stuff, i always wondered what the go was with the inlets on those turbos.
I thought it might be somthing to do with variable blade turbos or somthing or other previously.

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PostPosted: Thu Dec 21, 2006 9:22 am 
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Found the comp map for the standard inlet on the Garrett site
http://upload.silviansw.com/GT3076R_700382_12_comp.gif
but can't seem to find the map for the one with the mod... maybe it was on a 3rd party site.

Edit:
Found it under the tech article section
http://upload.silviansw.com/Fig2_enlarges.gif
http://upload.silviansw.com/fig3_enlarged.gif

As you can see it makes a larger turbo far more flexiable for use on a smaller engine.

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I didn’t break it, I just modified the operational status...
There are 10 types of people in this world, those that understand binary, and those that don't.


Last edited by 182Go on Thu Dec 21, 2006 9:28 am, edited 1 time in total.

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PostPosted: Thu Dec 21, 2006 9:27 am 
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results will be interesting

edit: i'll have a look around for that pic i meant to post before, its a very different insert from the one you have, the guys who frequent SAU would have seen it on SK's sig.


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PostPosted: Thu Dec 21, 2006 9:52 am 
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Internally (especially the comp side) there seems to be little difference, but the comp cover is bigger giving the illusion that the turbo is actually bigger than it is.

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There are 10 types of people in this world, those that understand binary, and those that don't.


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