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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Full-Race Twin Scroll Turbo Kit in Development



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      12-19-2011, 05:02 PM   #23
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Quote:
Originally Posted by tscdennab View Post
Too bad 2012 is the end of the world
+1

Back to thread.

That runner is sick ... But full race is not street legal...
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      12-19-2011, 05:02 PM   #24
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As long as they're at it, might as well start working on an upgrade for n55...I'm dead serious
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      12-19-2011, 05:16 PM   #25
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Quote:
Originally Posted by Fred_Boosted View Post
But full race is not street legal...

LoL, is this guy serious?! Single turbo conversion and street legal dont belong in the same sentence, or paragraph, hell not even the same thread.
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      12-19-2011, 05:20 PM   #26
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Quote:
Originally Posted by Questforpower View Post
In fact; I think there is 5... lol

HPF, Vishnu, Full Race, Skydive's kit and I think someone mentioned Aviva

Hell; if it doesn't work this time; it'll never work.
I was hopeful of other singles, like single ladies.... I guess ya'll missed my joke

Vas is right though, making of the exhaust manifold and slapping on a turbo is not the hard part of this car. It is getting the tuning down and the fueling.

My intention is not to discredit the people actually making these setups as it still is a time consuming/labor intensive task to fabricate/engineer ETC

However the main prize is who can make the good power on pump gas first at a fair value. Vishnu should have a one up on everyone in my personal opinion, but I'd be inclined to see what others can do.
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      12-19-2011, 05:24 PM   #27
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Quote:
Originally Posted by Jeff@topgearsolutions View Post
I was hopeful of other singles, like single ladies.... I guess ya'll missed my joke

Vas is right though, making of the exhaust manifold and slapping on a turbo is not the hard part of this car. It is getting the tuning down and the fueling.

My intention is not to discredit the people actually making these setups as it still is a time consuming/labor intensive task to fabricate/engineer ETC

However the main prize is who can make the good power on pump gas first at a fair value. Vishnu should have a one up on everyone in my personal opinion, but I'd be inclined to see what others can do.
I got it lol... that's what why I provided 5 options; unfortunately I am sure they are all dudes.

And yes; I fully agree with the pump gas statement... 500 WHP on pump 93 without meth at low boost.
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      12-19-2011, 05:25 PM   #28
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Quote:
Originally Posted by vasillalov View Post
Again: hardware is not the problem. Tuning is. I choose to remain unimpressed until I see an N54 with single turbo ACTUALLY on the road....
+1

I feel like I'm suffering from "boy who cried wolf syndrome" and almost can't get excited about this anymore... I think it's been since 2008 that I've read about these threads and followed let down after let down.

Not wanting to rain on anyone's cheerful spirits, maybe I've been reading on e90post for too long lol
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      12-19-2011, 05:28 PM   #29
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well with about 4 single turbo kits in development, hopefully 1 will make it into full scale production...looks like I need to start saving now
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      12-19-2011, 05:36 PM   #30
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Quote:
Originally Posted by Questforpower View Post
I got it lol... that's what why I provided 5 options; unfortunately I am sure they are all dudes.

And yes; I fully agree with the pump gas statement... 500 WHP on pump 93 without meth at low boost.
+1 no meth or nitrous, 500whp on 93pump gas that's for me!!!!!
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      12-19-2011, 05:45 PM   #31
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Quote:
Originally Posted by vasillalov View Post
Again: hardware is not the problem. Tuning is. I choose to remain unimpressed until I see an N54 with single turbo ACTUALLY on the road....
Tuning isn't a problem.

As with any DI motor, fuel is the limiting factor once you set out to exceed 85ish hp per cylinder. At Aviva, we believe we can solve this problem in a simple, elegant, cost effective manner in keeping with the original design, but without its limitations.

Full Race makes very nice fabricated manifolds. Aviva prefers to provide a more OE fit, finish, and function, also without its chief limitation.

Choice is good. ;-) I look forward to seeing what Geof and his folks come up with.

-Michael
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      12-19-2011, 05:54 PM   #32
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Quote:
Originally Posted by bmwm3redblack View Post
+1 no meth or nitrous, 500whp on 93pump gas that's for me!!!!!
And a 1000 RPM usable power band. No thanks.
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      12-19-2011, 05:59 PM   #33
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At this moment I think that HPF will be the one to beat. Vishnu's kit looks great, but I thought Shiv said it's a one-off for now. HPF is known for super powerful, uber-expensive turbo kits. A competitor needs to come in cheaper, with comparable power or more. That's why I say HPF.
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      12-19-2011, 06:01 PM   #34
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Quote:
Originally Posted by Brey335i View Post
At this moment I think that HPF will be the one to beat. Vishnu's kit looks great, but I thought Shiv said it's a one-off for now. HPF is known for super powerful, uber-expensive turbo kits. A competitor needs to come in cheaper, with comparable power or more. That's why I say HPF.
Vishnu does plan on going into production unless something has changed in the past few days? Ill let the man himself chime in as its not my business to shed any more light.
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      12-19-2011, 06:02 PM   #35
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Quote:
Originally Posted by Skydive View Post
Tuning isn't a problem.

As with any DI motor, fuel is the limiting factor once you set out to exceed 85ish hp per cylinder. At Aviva, we believe we can solve this problem in a simple, elegant, cost effective manner in keeping with the original design, but without its limitations.

Full Race makes very nice fabricated manifolds. Aviva prefers to provide a more OE fit, finish, and function, also without its chief limitation.

Choice is good. ;-) I look forward to seeing what Geof and his folks come up with.

-Michael
What i get out of that: a PROPER DI fuel system upgrade is in development secondary fuel rail= band aid
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      12-19-2011, 06:10 PM   #36
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I'm happy with all the power I get on my set up. Full FBO plus meth= 420whp/487lbs, stock exhaust. Add 10/15 to each when I install my exhaust. that's perfect for me, if I want more power I'll just move to another platform but I'm content with my e92 now.
Band aids here and there to get up to 500/600hp on a car that's not gonna be reliable after all the mods and money spend, no thank u.
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      12-19-2011, 06:13 PM   #37
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Quote:
Originally Posted by Sleeper View Post
And a 1000 RPM usable power band. No thanks.
On a 6 cylinder motor? LOL, why do you say that?

With a proper twin scroll turbo; you can have a fantastic powerband with that powerlevel; even Evos do with a 2.0L displacement.
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      12-19-2011, 06:33 PM   #38
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Quote:
Originally Posted by ttbmer View Post
I'm happy with all the power I get on my set up. Full FBO plus meth= 420whp/487lbs, stock exhaust. Add 10/15 to each when I install my exhaust. that's perfect for me, if I want more power I'll just move to another platform but I'm content with my e92 now.
Band aids here and there to get up to 500/600hp on a car that's not gonna be reliable after all the mods and money spend, no thank u.
I mostly agree with this but I think reliability won't be a huge issue as long as power levels are somewhat tame. I'm sure a "street" tune and a "race" tune will be in the mix.

However, before I'd sink $10k into some single turbo kit I would have to consider long and hard about trading to another platform.
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      12-19-2011, 06:48 PM   #39
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Quote:
Originally Posted by Sleeper View Post
And a 1000 RPM usable power band. No thanks.
Go youtube the Amuse Supra and Mines Skylines using the GT30 kit... it's not even a 35R but makes ~500whp on a 3.0L engine and ridiculous torque. Spool is damn near instant and the tach is SCARY to watch... like it's spring loaded.



500whp should not be powerband limited, but I agree that if you came from the world of BMW's and chose an N54/55 car as your first "big single upgraded" car, you will be in for a rude awakening. The really hard part for developers is making a kit with headroom (700whp capable?) without losing the powerband and having a bunch of angry (or rather, uninformed/underexperienced) customers.

Those of us with prior 400whp+ 4cyl experience will be in for a treat as long as you didn't get to used to the 1900rpm torque peaks
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      12-19-2011, 06:49 PM   #40
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Quote:
Originally Posted by Questforpower View Post
On a 6 cylinder motor? LOL, why do you say that?

With a proper twin scroll turbo; you can have a fantastic powerband with that powerlevel; even Evos do with a 2.0L displacement.
Sorry, I over-exaggerated a bit . But 500WHP on pump with no octane aid means you're running a pretty sizeable, pretty laggy turbo. Coming from a twinscroll big-turbo 2.5L 4-cyl background, I've developed a serious dislike for lag.
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      12-19-2011, 06:57 PM   #41
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Quote:
Originally Posted by Questforpower View Post
At the moment NONE are to buy...

No one has had an engine started with a kit installed; no has anything tuning done, no one has anything other than simple installation progress.

I'll believe it when they are all done and making mounds of power and putting down 10's in the 1/4 until then it's just wishful thinking.
Ar design had theirs running. To what degree? Who knows. Probably not well to a driving degree as they would have done more with it already but there is a video floating around.
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      12-19-2011, 07:13 PM   #42
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Quote:
Originally Posted by Jeff@topgearsolutions View Post
Vishnu does plan on going into production unless something has changed in the past few days? Ill let the man himself chime in as its not my business to shed any more light.
Oh really? If that is the case then I stand corrected. I was under the impression that Shiv had said they had no plans of going into production. Hopefully he'll pop in and let us know.
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      12-19-2011, 07:19 PM   #43
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Quote:
Originally Posted by Brey335i View Post
Quote:
Originally Posted by Jeff@topgearsolutions View Post
Vishnu does plan on going into production unless something has changed in the past few days? Ill let the man himself chime in as its not my business to shed any more light.
Oh really? If that is the case then I stand corrected. I was under the impression that Shiv had said they had no plans of going into production. Hopefully he'll pop in and let us know.
I don't get it. What's the point of making a turbo kit and not go into production?
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      12-19-2011, 07:51 PM   #44
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Quote:
Originally Posted by Brey335i View Post
Oh really? If that is the case then I stand corrected. I was under the impression that Shiv had said they had no plans of going into production. Hopefully he'll pop in and let us know.
I think he might have mentioned that in the beginning but as of recently he mentioned that with the cost and efforts going into the project it would be wasteful not to go into production.
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