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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 06-12-2009, 12:19 PM   #1
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Default Greddy Flanges?

For the Greddy TD04H turbo.

Manifold-Turbo Flange is a T2 style.

What is the Turbo-Downpipe Flange Style?

It doesn't look like anything I've seen before, is it proprietary?

Last edited by miatamania; 06-13-2009 at 10:18 AM.
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Old 06-13-2009, 10:18 AM   #2
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Anybody?
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Old 06-13-2009, 11:11 AM   #3
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Post up a pic, are you looking to buy a flange?
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Old 06-13-2009, 11:29 AM   #4
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=

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Originally Posted by [email protected] View Post
We sell the flange for a Greddy Turbo. Give the shop a call (905)953-9260 and ask for John.
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Old 06-13-2009, 11:59 AM   #5
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Someone correct me if I'm wrong, but I believe that flange is also on some Nissan turbochargers.
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Old 06-13-2009, 12:05 PM   #6
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I bought mine from weirtech
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Old 06-13-2009, 02:45 PM   #7
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Quote:
Originally Posted by Joe Perez View Post


=
Thanks, I did that, didn't find ****. But noone has answered the question, are these unique to this setup or from something else?

Found a while **** ton posted up about the manifold flanges though.



I'm thinking about making a custom tubular setup for the 1.8 I'm tearing down and dropping it a little lower so I can make a straighter true 3" downpipe.
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Old 06-13-2009, 02:48 PM   #8
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Quote:
Originally Posted by miatamania View Post
But noone has answered the question, are these unique to this setup or from something else?
They're completely unique. Mitsubishi did a custom turbine casting specifically for Greddy to use on the '90-'93 Miata.
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Old 06-13-2009, 05:37 PM   #9
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Quote:
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They're completely unique. Mitsubishi did a custom turbine casting specifically for Greddy to use on the '90-'93 Miata.
Thank you.

I thought that, but I couldn't confirm it.
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Old 06-13-2009, 05:54 PM   #11
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Quote:
Originally Posted by miatamania View Post
Thank you.

I thought that, but I couldn't confirm it.
Comprehending sarcasm fail.
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Old 06-13-2009, 08:47 PM   #12
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Quote:
Originally Posted by Joe Perez View Post
Comprehending sarcasm fail.
lol.

I knew that was sarcasm, but the TD04H IS a special turbo is it not?





Thanks for those links, I'm going to give them a try.
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Old 06-14-2009, 05:59 AM   #13
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Could be that the 3000gt twin turbo uses the same flange... Not certain..
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Old 06-14-2009, 06:08 AM   #14
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Quote:
Originally Posted by miatamania View Post
lol.

I knew that was sarcasm, but the TD04H IS a special turbo is it not?





Thanks for those links, I'm going to give them a try.
You rebuilding the downpipe?

Still using the stock mani?

The downpipe is fun to build. My first downpipe took about 12 hours total time to build including welding/milling the flange so it sits flat. Just remember fluid mechanics

I dont know why i quoted you, ive had a few beers and at the time seemed logical.

Have you had any gains with that 19T wheel? Speaking from a mechanical standpoint bigger compressor means more cfm right? That would lead to more gains though. I remember saying you havent noticed any gains in some of your "problem" posts.

I am consdering the 19T upgrade
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Old 06-14-2009, 04:44 PM   #15
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Well, my car was running like **** and MS pissing me off. Plus, I have the worlds most ridiculous spark table so it has no *****. In theory, the 19T has a about 50-60 more HP in it than the 15G.

What I'm trying to figure out is if I want to do though. I may just sell what I have and start over, or keep the 19T and remake a manifold to sit lower and make a straighter downpipe so I can go true 3".


Just kinda depends on what makes the most sense when I sit down and do the math on what it will take to make vs. buy new parts.
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Old 06-14-2009, 05:42 PM   #16
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Old 06-17-2009, 12:07 PM   #17
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Thanks Marc.
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Old 06-17-2009, 12:17 PM   #18
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the manifold side is like a regular t25, like a nissan 300zx. the turbine side is like a mitsu, like a gt3000 vr4.
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