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

Nitrous and PF = AMAZING!

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Old Jan 28, 2009 | 07:25 PM
  #31  
GinFLA's Avatar
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From: Miami, Florida
Nice numbers bro!

I was thinking about doing this to my G, but everywhere I looked it seemed like it was too stressful on the motor, and that anything over 75 shot was dangerous.

what do you need to run completely safe? Im just looking to do a 75 shot.
 
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Old Jan 28, 2009 | 08:25 PM
  #32  
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From: Pembroke Pines/Orlando
to run saftly i would recommend:
-1step colder pulgs
-Utec (used to control the entire system and tune the vehicle)
-Fuel Pressure Regulator ( shuts off the system if PSI falls below a certain point)
-Pressure gauge to monitor PSI
-Bottle heater or Nano kit ( look a few post back for NANO info, as i will be going this route)
-Remote opener (not really a necessity, but very convenient)
-Good starter kit (ny-trex, dynotune, etc.)

Nitrous like any other form of FI will put stress on a motor, but when done properly thing can be done to run it safely.
 
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Old Jan 28, 2009 | 08:29 PM
  #33  
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here is something that a forum member passed onto me that i will share with you:

It's the initial torque spike when nitrous is engaged that can kill your motor.

To calculate crankshaft torque from jet size vs rpm:

100 hp jet at 6,000 rpm will be 5252/6000=0.875 x 100= 87 lb/ft

At 3,000 it will be twice or 174 lb/ft
At 2,000 it will be 3x or 262 lb/ft
At 1,000 it will be 6x or 600 lb/ft
At 650 rpm it will be 6000/650=9.23 or 923 lb/ft.

Assumming there is enough fuel to react in the same ratio as at 6,000 rpm.

Nitrous is a constant VOLUME spray per second once the full flow is established.

I also believe the rule of thumb is for ever "100hp" shot your timing should be retarded 2 degrees, thus a UTEC is a BIG help!
 
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