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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 02-13-2014, 03:20 PM   #21
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Quote:
Originally Posted by nitrodann View Post
Ive welded a bunch of external gates to exhaust housings.
Same as turbine housing right? Any more pics? I'm curious.
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Old 02-13-2014, 05:55 PM   #22
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Originally Posted by 18psi View Post
a buddy of mine is running a setup like that on his BP and it has held up and worked great for like 5 years now. he completely gutted the iwg, hogged out the port as large as he could, and running a tial 38 vband ewg on there.
Awesome! All the worst parts of an IWG combined with all the worst parts of an EWG! What could go wrong?

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Old 02-13-2014, 06:16 PM   #23
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Originally Posted by m2cupcar View Post
Same as turbine housing right? Any more pics? I'm curious.
Yeh the turbine housing.

This is NOT how I would have done it but I was asked to do it like this.



Dann
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Old 02-13-2014, 06:20 PM   #24
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Originally Posted by Savington View Post
Awesome! All the worst parts of an IWG combined with all the worst parts of an EWG! What could go wrong?



I know, that's almost word for word what I told him.

But

It works. Really well too. Rock solid boost control.

And

He was working with fail wheel drive setup that had no room whatsoever to fit it anywhere else.
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Old 02-13-2014, 06:32 PM   #25
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There's a lot of **** you can get away with that doesn't go "by the books" and will work perfectly.

It's one of those things where in high school, you fucked up all your math to get to the answer in trig/geometry/calc/whatever, everything was wrong.

But you lucked out and got the right answer.

Just don't show your work and nobody will care.
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Old 02-13-2014, 07:19 PM   #26
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NitroDann- those are completely whacko. They are so deep into the turbines scroll, I can't see how they couldn't ruin flow. The Gurney Eagle I cited is similar to the ATP above- EWG exit is right after the turbine housing flange.
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Old 02-13-2014, 07:55 PM   #27
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Like I said I would never have done those ones like that.

However I have seen flow analysis and it looks fine, and they seem to perform fine.

Cant be a lot worse than stick an ewg at right angles on the collector.

Dann
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Old 02-13-2014, 08:11 PM   #28
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Quote:
Originally Posted by nitrodann View Post
Like I said I would never have done those ones like that.

However I have seen flow analysis and it looks fine, and they seem to perform fine.

Cant be a lot worse than stick an ewg at right angles on the collector.

Dann

'Sup?



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Old 02-13-2014, 08:37 PM   #29
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What kind of manifold do you have?
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Old 02-13-2014, 09:34 PM   #30
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Quote:
Originally Posted by Savington View Post
I've been told that sticking an EWG on the housing like that is highly disruptive to turbine inlet flow.
I've done some research on this and CAD flow stuff suggests that it really has no ill effect. I'd like to hear about your info on it because I'm genuinely interested.

Some info I found.
Wastegate pipe placement
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