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

Sound Performance G35TT race gas dyno (769rwhp)

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  #1  
Old 09-10-2008, 08:30 PM
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Sound Performance G35TT race gas dyno (769rwhp) (added couple vids to post 1)

Couple vids (nothing great but hey its a start) (and still learning to shift this thing on higher boost...things happen FAST)

Spins 3rd
http://videos.streetfire.net/video/T...6-e00b3b5ee224

Spinds 3rd (can hear tires) then a 4th-5th gear pull short shifting and letting off in 5th
http://videos.streetfire.net/video/3...6-e00b3b5ee224

Rolling into 3rd then 4th and 5th gears
http://videos.streetfire.net/video/T...6-e00b3b5ee224

--------------------------------------------------------------------------

So I finally put some 110octane in the car and strolled over to Sound Performance for some race gas numbers on their setup on my car.

First Thank you Chris and Larry (and the whole shop) for an amazing setup
VERY streetable. Drives like stock, till you get on it of course.

Background on the car again:

2004 G35 Coupe 6spd
Sound Performance Built shortblock (stock sleaves, stock displacement)
Sound Performance TT (twin 54mm turbos)
Sound Performance return Fuel system (triple in-tank Walbro's, 1000cc inj)
Sound Performance FMIC
Custom Exhaust through stock muffler (hehehehe)
Pro-EFI 48
DXD Southbend Stage V clutch
Stock Heads/Cams

on pump gas at 15psi the car made 511rwhp and 511rwtq

on 110 Race gas at 30psi it did 769rwhp and 710rwtq

On the street the car sees full boost at 3200rpm

I attached a couple vids and the dyno sheets. The second dyno sheet is the stock, pump gas, and race gas.....that one just makes me laugh.

Again thanks Chris and Larry....she's a blast

This vid is a lower power pull (like 560rwhp) but its a good shot of flames from the open wastegate dumps
http://videos.streetfire.net/video/T...6-e00b3b5ee224

Here is the big power pull (don't laugh at me in the trunk lol)
http://videos.streetfire.net/video/T...9-315f9d786465

And the dyno's


 

Last edited by thom000001; 09-11-2008 at 04:01 AM.
  #2  
Old 09-10-2008, 08:46 PM
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Wow . . .
 
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Old 09-10-2008, 08:50 PM
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outstanding
 
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Old 09-10-2008, 08:50 PM
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congrats very nice numbers
 
  #5  
Old 09-10-2008, 09:29 PM
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congrats on the build!!! You should attach the normal fuel curves because you only have a 500 whp car. It would have been more impressive if they would have just upped the boost on the normal fuel, and worked with that. Using race fuel is really the pu$$y way out, especially at 30 psi. I've seen Z's make 800+ at only 18 psi on race gas.
 
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Old 09-10-2008, 09:58 PM
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HUH????
Um ok.....race fuel is *****??? Octane is your friend..and my turbos are teeny.

farting around with pump gas is why you blow motors.......

Tom


Originally Posted by SDGeneralCounsel
congrats on the build!!! You should attach the normal fuel curves because you only have a 500 whp car. It would have been more impressive if they would have just upped the boost on the normal fuel, and worked with that. Using race fuel is really the pu$$y way out, especially at 30 psi. I've seen Z's make 800+ at only 18 psi on race gas.
 
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Old 09-10-2008, 10:04 PM
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In race gas...we trust...
 
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Old 09-10-2008, 10:09 PM
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Wow, nice pulls! love that smooth curve.
 
  #9  
Old 09-10-2008, 11:19 PM
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Originally Posted by thom000001
HUH????
Um ok.....race fuel is *****??? Octane is your friend..and my turbos are teeny.

farting around with pump gas is why you blow motors.......

Tom
dear god, I hope you are joking. If you went with a built motor, you should have upgraded to larger turbo's. Octane is your friend, but your numbers are not impressive at 30 psi and race gas.
 
  #10  
Old 09-10-2008, 11:32 PM
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Originally Posted by SDGeneralCounsel
dear god, I hope you are joking. If you went with a built motor, you should have upgraded to larger turbo's. Octane is your friend, but your numbers are not impressive at 30 psi and race gas.
I'm sure your numbers are far more impressive

.
 
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Old 09-10-2008, 11:38 PM
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OK, you are entitled to your opinion......I would like to see some numbers from others running 54mm turbos (or similar)

I am not looking for the highest hp numbers hear (I'll leave that to my tuner....oh they allready did that too). Mine is a STREET car that has fast spool. If I wanted crazy high power I would have sleeved the block too And put in huge cams. But anyway, guess there always has to be a hater.

What does your car make?

Tom



Originally Posted by SDGeneralCounsel
dear god, I hope you are joking. If you went with a built motor, you should have upgraded to larger turbo's. Octane is your friend, but your numbers are not impressive at 30 psi and race gas.
 
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Old 09-10-2008, 11:38 PM
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Congrats on a sick ride.
 
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Old 09-11-2008, 12:23 AM
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Originally Posted by SDGeneralCounsel
congrats on the build!!! You should attach the normal fuel curves because you only have a 500 whp car. It would have been more impressive if they would have just upped the boost on the normal fuel, and worked with that. Using race fuel is really the pu$$y way out, especially at 30 psi. I've seen Z's make 800+ at only 18 psi on race gas.

What would be more impressive about upping the boost on pump fuel?? Tom can run up to about 18 or so psi on pump gas SAFELY..... which will yield him about 570 RWHP.


You said " Using race fuel is really the pu$$y way out especially at 30 psi"


What do you mean by this?? At 30 psi on a 3.5 L motor you have to run race fuel!!!

I know just about every Z builder in the country and I certainly know every supra builder and I have never heard of a street Z coming close to 800 RWHP at 18 psi. Definitely not one with a non stroked 3.5L engine.
 
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Old 09-11-2008, 12:27 AM
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Originally Posted by SDGeneralCounsel
dear god, I hope you are joking. If you went with a built motor, you should have upgraded to larger turbo's. Octane is your friend, but your numbers are not impressive at 30 psi and race gas.

Not impressive?? There are only 7 Z's and G's total (as per the HP list on My350z.com) that have made more than 768 RWHP!!! This is a stock head and cam car that has smaller turbos on it because he wanted less lag!!!! I can certainly upgrade Tom to turbos like the 67s that I run if he wants over 1000 RWHP......
 
  #15  
Old 09-11-2008, 12:31 AM
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Larry I wouldn't let you max out these turbos lol
That instant tq on the road is awesome.....unless someone wanted really silly power (like you larry), I would recommend this exact setup. For me there was a double bonus.....you guys are like 25min away.

Thanks again Larry

Tom

Originally Posted by Larry @ SP
Not impressive?? There are only 7 Z's and G's total (as per the HP list on My350z.com) that have made more than 768 RWHP!!! This is a stock head and cam car that has smaller turbos on it because he wanted less lag!!!! I can certainly upgrade Tom to turbos like the 67s that I run if he wants over 1000 RWHP......
 


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