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Top 2GNT Technical Turbo/Nitrous Tech topic #47988
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Subject: "8 Injector tuning ? help" Previous topic | Next topic
pn0ymahalMay-01-03 08:20 PM
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#47988, "8 Injector tuning ? help"




          

i was wondering on the fuel masp screen what is the fuel cut time (SECS) sopose to do, be set at etc? i cant seem to find the info on this? also to check what atmospheric pressure is i turn on the EIC with the car off but where do i find the atmospheric pressue?
thanks
Michael 99gs
HRC Stage 2 @12psi emoji
Stage 3 process begins gathering parts for rebuild
2GNT Member #32

http://www.dreamwater.net/purplebeast

  

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Replies to this topic
RE: 8 Injector tuning ? help, TeamJasonESi_T, May-02-03 05:14 AM, #1
RE: 8 Injector tuning ? help, pn0ymahal, May-02-03 06:04 AM, #2
RE: 8 Injector tuning ? help, pn0ymahal, May-02-03 09:43 PM, #3
      RE: 8 Injector tuning ? help, ModeratorCorbin, May-05-03 07:46 AM, #4
           RE: 8 Injector tuning ? help, pn0ymahal, May-07-03 02:40 PM, #5
                RE: 8 Injector tuning ? help, jcurcillo, May-07-03 03:55 PM, #6
                     RE: 8 Injector tuning ? help, jcurcillo, May-07-03 03:57 PM, #7
                          RE: 8 Injector tuning ? help, pn0ymahal, May-07-03 04:29 PM, #8
                               RE: 8 Injector tuning ? help, jcurcillo, May-08-03 09:18 AM, #9
                                    RE: 8 Injector tuning ? help, jcurcillo, May-08-03 02:06 PM, #10
                                         RE: 8 Injector tuning ? help, pn0ymahal, May-08-03 05:55 PM, #11

TeamJasonESi_TMay-02-03 05:14 AM
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#48004, "RE: 8 Injector tuning ? help"
In response to Reply # 0
May-02-03 05:19 AM by JasonESi_T

          

>i was wondering on the fuel masp screen what is the fuel cut
>time (SECS) sopose to do, be set at etc?

This isn't a big deal. It only indicates how quickly after the start of the car, the unit will turn on and activiate with boost. I set mine to 30 seconds, IIRC.

>also to check what atmospheric pressure is i
>turn on the EIC with the car off but where do i find the
>atmospheric pressue?

The blue number in kPA's at the top of the Y-axis indicates the atmospheric pressure with the car off. Mine was at about 103. On Javad's screen below, it has 55.9kPa's which obviously is indicative of a vacuum reading while the car is running.

_____________________________________
Jason ESi-T

04' BMW 325Ci
91' Nissan 240SX
98' Eagle Talon ESi (sold)

  

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pn0ymahalMay-02-03 06:04 AM
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#48007, "RE: 8 Injector tuning ? help"
In response to Reply # 1




          

thanks jason, this just makes it easy for me once i get everything in later on. just wondering what everyone else has there fuel cut time (SECS) set at?
thanks
Michael 99gs
HRC Stage 2 @12psi emoji
Stage 3 process begins gathering parts for rebuild
2GNT Member #32

http://www.dreamwater.net/purplebeast

  

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pn0ymahalMay-02-03 09:43 PM
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#48059, "RE: 8 Injector tuning ? help"
In response to Reply # 1




          

oh yah, i assume on the left side is KPa, but what are the numbers on the bottom? just rpm(s)?
Michael 99gs
HRC Stage 2 @12psi emoji
Stage 3 process begins gathering parts for rebuild
2GNT Member #32

http://www.dreamwater.net/purplebeast

  

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ModeratorCorbinMay-05-03 07:46 AM
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#48156, "RE: 8 Injector tuning ? help"
In response to Reply # 3


          

I think you're mixed up Jason (or its me). I believe that "Fuel Cut Time " determines how aggressively the EIC cuts fuel to limit your max RPM to the "Rev limiter " value you chose on the same screen. I believe that you are referring to "Inj. Inhibit Timer", which determines how long the EIC waits after being powered up before it will supply fuel. I have mine set to 30.2 for no particular reason. My EIC isn't set to supply fuel under vacuum, so it doesn't really matter.

Corbin

'95 ESI-T
HRC+FMIC+ETC...



Gimme fuel...Gimme fire...Gimme that which I desire

  

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pn0ymahalMay-07-03 02:40 PM
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#48319, "RE: 8 Injector tuning ? help"
In response to Reply # 4




          

just wondering what people set the inj. Scaler (MS) at before going into boost or whatnot? i will have primary 235cc (stock) and secondary 420cc (accel).. i notice on Corbin site its set at 6.349 so just wondering what everyone has there at with there certain injectors. also when increase or decrease the Inj. Scaler (MS) how much should i change at a time? and if you can tell me how much of a % it increase it.
thanks
Michael 99gs
HRC Stage 2 @12psi emoji
Stage 3 process begins gathering parts for rebuild
2GNT Member #32

http://www.dreamwater.net/purplebeast

  

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jcurcilloMay-07-03 03:55 PM
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#48321, "RE: 8 Injector tuning ? help"
In response to Reply # 5


          

This will depend on what turbo you use and how much boost you run. I use a strait T3 turbo at about 15psi. Mine is set to around 8.2. I try to keep it a little rich untill I get my wide band O2 sensor installed. Mr. Blunt has Star Kit with the T3/T4 turbo at about 14-15psi. I know he runs close to 9 on his scaler.

  

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jcurcilloMay-07-03 03:57 PM
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#48322, "RE: 8 Injector tuning ? help"
In response to Reply # 6


          

One question I have. What is everyone using for there map cut rate? It seams if you turn it up you get less hesitation at low RPM. Mine is set to 110.

  

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pn0ymahalMay-07-03 04:29 PM
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#48323, "RE: 8 Injector tuning ? help"
In response to Reply # 7




          

dude when you said, map rate cut or whatever you mean cut fuel below right?
Michael 99gs
HRC Stage 2 @12psi emoji
Stage 3 process begins gathering parts for rebuild
2GNT Member #32

http://www.dreamwater.net/purplebeast

  

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jcurcilloMay-08-03 09:18 AM
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#48365, "RE: 8 Injector tuning ? help"
In response to Reply # 8
May-08-03 09:19 AM by jcurcillo

          

No.. Map rate cut sens. I get lean spots at low rpms if I don't keep it hi.

  

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jcurcilloMay-08-03 02:06 PM
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#48393, "RE: 8 Injector tuning ? help"
In response to Reply # 9


          

By the way. Are you selling your Profec B and remote?

  

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pn0ymahalMay-08-03 05:55 PM
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#48412, "RE: 8 Injector tuning ? help"
In response to Reply # 10




          

no im not since i decided to do the 8-injector instead of the e-manage.
check out my other post about building the manifold etc.. i need help.
cool
Michael 99gs
HRC Stage 2 @12psi emoji
Stage 3 process begins gathering parts for rebuild
2GNT Member #32

http://www.dreamwater.net/purplebeast

  

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