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

Stillen vs Vortech. Pro's and Con's

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  #76  
Old 03-23-2006, 04:53 PM
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Originally Posted by ttrank
I did not get much of a discount on the kit most of the deal I got was on the hood. I think $5,239 for the Stage 2 kit and $369 for the CF hood.
Can you clarify if that was $5,239 installed?

I can't get the hood because I have an '05- I would need some custom fabrication on my own hood.
 
  #77  
Old 03-23-2006, 04:58 PM
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Originally Posted by kzanard
UPPER oil pan (see page from installation manual)
Yeah, I could have been more specific. Thanks Kzanard...
 
  #78  
Old 03-25-2006, 07:59 PM
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There is a Vortech Tuner kit over at my350 for sale . Bitchen deal . You get TWO blowers , you get the SC -trim and the S-trim blower units . The S-trim is polished .
 
  #79  
Old 03-30-2006, 10:10 AM
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Can you tune the Stillen SC with a reprogrammed SS Box or the Technosquare ECU?
 
  #80  
Old 03-30-2006, 04:35 PM
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Originally Posted by Skyline_G35
Can you tune the Stillen SC with a reprogrammed SS Box or the Technosquare ECU?
No...Stillen has thier SS box locked
 
  #81  
Old 03-30-2006, 05:02 PM
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Originally Posted by kzanard
UPPER oil pan (see page from installation manual)

That picture is not in the oil pan.... is it?
I am not a mechanic but from what I know that is the block. I apologize if I am wrong.
 

Last edited by ttrank; 03-30-2006 at 05:08 PM.
  #82  
Old 03-30-2006, 05:15 PM
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Originally Posted by booger
No...Stillen has thier SS box locked
Ok, the SS box is locked, but what about the technosquare ECU? Can you program that into making the parameters more ideal for the SS box and the Stillen SC?
 
  #83  
Old 03-30-2006, 05:33 PM
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Originally Posted by ttrank
That picture is not in the oil pan.... is it?
I am not a mechanic but from what I know that is the block. I apologize if I am wrong.
It is the upper oil pan. If you have access to the G35 service manual, check the Engine Mechanical section (EM.pdf), page 28 and you will see the diagram of the upper (#2) and lower (#14) oil pans. You can try this if you don't have the service manual and just go to page 28.
 
  #84  
Old 03-31-2006, 10:56 AM
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Originally Posted by mkerley
Hold on. Before everyone leaves this thread happy and more knowledgeable, many people seemed to agree to the statement quoted here. But, backpressure is never desireable.
The increased back pressue will increase lower end torque - will it not? So I don't know that "never" is the right word...
 
  #85  
Old 03-31-2006, 01:53 PM
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that's my understanding... so why bother with a td exhaust? [woulnd't that cause less back pressure?
 
  #86  
Old 03-31-2006, 02:34 PM
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I think the main thing here to understand is that we're talking about 2 different types of blowers here ... centrifugal vs. twin-screw. The mechanics of each is different so each will respond differently to the same setup.

There may be a slight increase in low end torque when there is increased back pressue but this is usually at the expense of higher boost levels. The stillen will have better low-end response because of the type of blower it is. A twin-screw blower, by nature, will generate better power at lower RPM's.

Regardless, a supercharger setup is going to suffer from parasitic loss from the belt drive of the blower and this will directly affect your torque. With a centriugal blower, it has been shown (in my car and many others) that opening up your exhaust will lower the boost in the manifold while still producing the same power output. What this means is that you will either keep the same power while running a safer level of boost ... or allow you to crank up the blower (different impeller, smaller pulley, etc) so that you're again running "stock" boost levels but greatly increasing your power.
 
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