JDM Tuning Expert advice and discussion on JDM tuning for your S2000.

NA: ITB's

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Old Aug 8, 2007 | 07:38 PM
  #221  
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cant wait to see you're dyno alejo, i was wondering if you could weigh the items you removed, heatercore, a/c, stock mani and what not, if not too much trouble of coarse. Thanx
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Old Aug 8, 2007 | 09:03 PM
  #222  
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Originally Posted by alejo,Aug 8 2007, 08:42 PM
no, I'm talking about the whole system. Call Jimmy at Fuji Racing.
oh, so your ITB body was built to accept the sensor?
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Old Aug 9, 2007 | 01:27 AM
  #223  
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Originally Posted by alejo,Aug 8 2007, 12:45 PM
I'll be glad to give you mine (AP2) but it's at your own risk.

By the way, I know it's been said here before but going back to stock from this would be a very major project.
Why do you say that? What all is needed tobe modified?
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Old Aug 9, 2007 | 02:49 AM
  #224  
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Originally Posted by Francesco,Aug 8 2007, 04:28 PM
did your tuner create a base map, or did they modify a pre existing one?

when i was talking to my tuner, he told me that we would have to focus on alot of low end and idle tuning so that the car would idle correctly and start right up because of the loss of the idle air control valve.
an idle air control valve can be easily incorporated to the vacuum chamber.
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Old Aug 9, 2007 | 06:25 AM
  #225  
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Originally Posted by Francesco,Aug 8 2007, 10:03 PM
oh, so your ITB body was built to accept the sensor?
Yes
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Old Aug 9, 2007 | 06:26 AM
  #226  
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Originally Posted by eurotrashdtm,Aug 8 2007, 08:38 PM
cant wait to see you're dyno alejo, i was wondering if you could weigh the items you removed, heatercore, a/c, stock mani and what not, if not too much trouble of coarse. Thanx
I kept the AC - my fat arse needs air until I can trailer the car.




I will take pics this weekend and put up a proper post.
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Old Aug 9, 2007 | 08:22 AM
  #227  
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Originally Posted by alejo,Aug 9 2007, 09:25 AM
Yes
now is this a physical piece that attaches to the ITB unit, or is it more like a tap where the temp sensor can hook up to on the body?

on another note, i remember my tuner was telling me that if I wanted to we could actually tap the IACV into the body of the ITB's so that I can keep that sensor for cold starts. He said it would be alot of work though and just using proper tuning would allow us to avoid this.
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Old Aug 9, 2007 | 08:25 AM
  #228  
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In mine it's just a tap on the ITB manifold, it is exactly where the stock sensor position is located.
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Old Aug 9, 2007 | 10:25 AM
  #229  
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Originally Posted by alejo,Aug 9 2007, 11:25 AM
In mine it's just a tap on the ITB manifold, it is exactly where the stock sensor position is located.
gotcha. thanks for all the info.

care to inform me on the difference between air horn lenghts? 50mm vs. 80mm? pros/cons.
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Old Aug 9, 2007 | 10:29 AM
  #230  
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I don't really know - I just bought what several sources said was a good fit for the car. All I wanted was to relieve weight up front and have a little more punch - both well accomplished.
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