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Old Feb 3, 2004 | 09:21 PM
  #1  
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Duflacci
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From: On top of your wife
Default Intake and exhaust

Just wondering what kind of gain I will make with the following mods any info will be helpful

Nismo weldina cat back
random Tech. Hi-flo cats
Nismo CAI
Unorthodox ultra SS pulleys

The cat back system is on, the rest will be installed within a week

Thanks
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Old Feb 3, 2004 | 09:24 PM
  #2  
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here is my dyno from when i did a pull with only NISMO EXHAUST and HIGH FLOW CATS...

with the pulley you are looking at an extra 6-8RWHP and the CAI another 3 added to the top...



((( Yes i know my graph is off ))) but the numbers are accurate...
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Old Feb 4, 2004 | 05:01 AM
  #3  
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Will the stock ECU be able to adjust to these mods?
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Old Feb 12, 2004 | 06:46 PM
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Originally posted by Jason@Performance
here is my dyno from when i did a pull with only NISMO EXHAUST and HIGH FLOW CATS...

with the pulley you are looking at an extra 6-8RWHP and the CAI another 3 added to the top...



((( Yes i know my graph is off ))) but the numbers are accurate...
So the RT cats dont cause a lean condition huh?

Sounds good!
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Old Feb 12, 2004 | 07:00 PM
  #5  
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Originally posted by OCG35Coupe
So the RT cats dont cause a lean condition huh?

Sounds good!
I am very happy with the set up the pulleys go on tomorrow.....I want a vortech but have to make do with what I got for now....
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Old Feb 12, 2004 | 07:02 PM
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Originally posted by OCG35Coupe
So the RT cats dont cause a lean condition huh?

Sounds good!
This graph shows a 14 A/F in the low to mid RPMs. That still seems lean to me. Looks fine at higher RPMs.
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Old Feb 12, 2004 | 07:07 PM
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Originally posted by jjellyneck
This graph shows a 14 A/F in the low to mid RPMs. That still seems lean to me. Looks fine at higher RPMs.
It's ok for NA but it sure doesn't leave any margin for error.
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