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Old 02-07-2012, 03:44 PM   #1
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Default What downpipe flange is this?

Shall have designed a Downpipe for my Garrett (T25 .48?) But which flange is this?




Almost every T25 i've seen have a flange like this, why is my different and is it better or worse?


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What downpipe flange is this?-07022012434.jpg   What downpipe flange is this?-07022012435.jpg   What downpipe flange is this?-garrettgt28rgt2859rturb.jpg  

Last edited by KjaLLe; 02-07-2012 at 04:05 PM. Reason: New pic.
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Old 02-07-2012, 04:00 PM   #2
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Well there is no picture so I can't tell you exactly what it is, but more then likely you bought a T25 with a mitsubishi flange on it. Most T25 setups are designed around the flange used by Nissan. Personally I would get a new turbo.
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Old 02-07-2012, 04:06 PM   #3
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Picture should work now.
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Old 02-07-2012, 05:04 PM   #4
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Looks kind of like the old cosworth t3 output flanges.


Design is arguably better than a 'standard' t25 as the wastegate outlet angle is better. You'll essentially use a 3 bolt 'floating' flange that will sit over the end of a swaged out 'socket' type joint on the downpipe inlet. Bolting it down will compress it for a leak free seal without a gasket. You can get the 'socket' from mandrel-bends.com. Check their 'socket joint' section. You could probably also get away with a transition cone, but I'm not positive.
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Old 02-07-2012, 05:26 PM   #5
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Tell us more about that cast exhaust manifold.
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Old 02-07-2012, 06:28 PM   #6
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Quote:
Originally Posted by TurboTim View Post
Tell us more about that cast exhaust manifold.
Looks like something made for a FWD applications?
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Old 02-07-2012, 06:51 PM   #7
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I bet money it's the HKS B6 manifold.

Been looking for one for a long time....
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Old 02-07-2012, 08:10 PM   #8
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There is no way that that manifold is attached to a miata.
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Old 02-08-2012, 06:49 PM   #9
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Quote:
Originally Posted by shuiend View Post
There is no way that that manifold is attached to a miata.
Are you sure?

I do not really know much about either manifold or turbo as I bought the kit as it is here - seller stated that it was bought for his now sold NA 1.6.

I am myself quite new to this turbo world, and this is my first turbo build.

Appreciate all help.
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Old 02-09-2012, 02:27 AM   #10
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Post pictures of the manifold. I'm sure it's a HKS 1.6 turbo manifold.

Looks like this, right?


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What downpipe flange is this?-corksport-hks.jpg   What downpipe flange is this?-corksport-hks3.jpg   What downpipe flange is this?-corksport-hks2.jpg  
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Old 02-09-2012, 02:42 PM   #11
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That appears to be a 3 bolt flange from a Saab. You can also get tdo4's off newer Saab's with a t25 inlet and that same 3 bolt outlet.
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Old 02-09-2012, 06:54 PM   #12
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viperormiata: Looks like thats the one, yes.
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What downpipe flange is this?-09022012437.jpg   What downpipe flange is this?-09022012438.jpg   What downpipe flange is this?-09022012439.jpg   What downpipe flange is this?-09022012440.jpg  
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Old 02-09-2012, 07:01 PM   #13
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Quote:
Originally Posted by KjaLLe View Post
Are you sure?

I do not really know much about either manifold or turbo as I bought the kit as it is here - seller stated that it was bought for his now sold NA 1.6.

I am myself quite new to this turbo world, and this is my first turbo build.

Appreciate all help.
The first 2 pictures you took were with the manifold off the car correct? Hence why I said it is not attached to a miata. If it was bolted on you could not get that picture of the rear flange. No room to get a camera between firewall and turbo and get a perfect picture.
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Old 02-09-2012, 07:18 PM   #14
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Oh i see. Then I misunderstood you

No it is not fitted yet because I just bought it 1 week ago, thats why I signed for this forum to get some good advice, tips and tricks. This is my first turbo build, so its great with a forum like this, have already learned a lot just by reading around the different threads.
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Old 02-10-2012, 02:19 AM   #15
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Quote:
Originally Posted by shuiend View Post
There is no way that that manifold is attached to a miata.
Say something now, biatch

Quote:
Originally Posted by KjaLLe View Post
viperormiata: Looks like thats the one, yes.
If you ever decide to sell that manifold, I will throw moneys at you. It's a great piece.
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Old 02-10-2012, 03:16 AM   #16
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viper, rate this manifold
What downpipe flange is this?-pc140114.jpg
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