Forced Induction Discussion of turbos , superchargers , and nitrous upgrades on the G35

Cosworth Plenum FI/NA: Pics Inside!

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Old Aug 28, 2007 | 11:55 AM
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Cosworth Plenum FI/NA: Pics Inside!

Originally Posted by Sharif@Forged
PRE ORDER towards the end of this post
The Cosworth intake plenum for the VQ35 has been under development for over 6 months. I saw some rough sketches a few months back, and they finally released their semi-official working prototype for display purposes at SEMA.

They showed us pages and pages of data, flow charts, graphs, etc...that proves they REALLY did their research on this one. They went through 6 different design concepts, before settling on this one. Live testing was conducted on their in-house engine dyno. They claim 17hp improvement in top end power, with no trq loss on the midrange on a bone stock non-revup VQ35.

More importantly, the plenum is finally making power to redline. This thing should be a screamer, especially for the forced induction people, where power tends to drop off around 6500rpm or so. :thumbup:

Price is TBD, but they are targeting a sub $1500 price point. Cosworth has agreed to let us test one on our shop car (my car), once a cast production piece is ready in the next couple months. The unit on display, was a thin plastic prototype, and is not suitable for FI.

The carbon fiber caps, may or may not make the final cut. But it is my understanding, they want to allow tuners the option of modifing the velocity stacks for specific applications.

Comments or questions?



http://my350z.com/forum/showthread.php?t=228665

Don't know if people have looked into it but I'm looking forward to it.
 
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Old Aug 28, 2007 | 11:59 AM
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Kinda expensive at around 1500 but might be worth it.
 
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Old Aug 28, 2007 | 01:00 PM
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ya that is pretty price would love to see this in person
 
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Old Aug 28, 2007 | 08:47 PM
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Originally Posted by AthenG
Kinda expensive at around 1500 but might be worth it.
It will be less than $1200. You can pre order it from Sharif at Forged Performance. I will have mine mid September when the first shipment comes in.
 
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Old Aug 28, 2007 | 10:40 PM
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That thing was to be released 6 months ago...dont count on it to soon if ever .
 
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Old Aug 28, 2007 | 11:07 PM
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Originally Posted by booger
That thing was to be released 6 months ago...dont count on it to soon if ever .

Sharif is now saying they are due to arrive at his shop by Sept 7th... I just put one on pre-order... It has to be better than the SSV... Dont think it could be worse
 
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Old Aug 29, 2007 | 12:26 AM
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I have been reading up on this forever. That thread on my350z is so long.
 
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Old Aug 29, 2007 | 12:27 PM
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Originally Posted by ttrank
I have been reading up on this forever. That thread on my350z is so long.

You up to page 2 yet?
 
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Old Aug 29, 2007 | 12:29 PM
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That thing is sick. Hopefully someone will grab one and we can get a synopsis.
 
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Old Aug 29, 2007 | 12:32 PM
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damn thats hella ballin....
 
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Old Aug 29, 2007 | 12:35 PM
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I'll post up in a couple of weeks when it arrives.
 
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Old Aug 29, 2007 | 01:33 PM
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If it performs better then the MREV2 and Spacer, I'll be surprised. But at twice theprice, it better perform far better.
 
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Old Aug 29, 2007 | 07:16 PM
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Originally Posted by myG35ZX
If it performs better then the MREV2 and Spacer, I'll be surprised. But at twice theprice, it better perform far better.
From my experience with Cosworth, they do not make and market products unless you can see real results. They do not make up numbers either. If they say 15 to 20 hp....thats what you will get. They are way too big to play games like some of the other companies that make Plenums and say that you will get 10 to 15 hp....but end up getting less HP gain than you started with. This is why I will buy one without testing it.
 
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Old Aug 29, 2007 | 08:00 PM
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Anyone know whether a strut (Arc/Ritchies) bar will likely clear this?
 
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Old Aug 29, 2007 | 08:37 PM
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From: Sugar Land TX/Boca Raton FL/Carefree AZ
Originally Posted by jonnylaw
Anyone know whether a strut (Arc/Ritchies) bar will likely clear this?
Sharif said it would.
 
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