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f22b ecu question

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Old Jan 9, 2005 | 05:32 PM
  #1  
rabbit94ludes's Avatar
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Default f22b ecu question

i'm getting ready to buy a jdm f22b DOHC to replace my usdm f22a1 motor and i was wondering if i could use the usdm f22a1 ecu for the f22b or do i need to get a h23 ecu to run it. any help would be great
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Old Jan 9, 2005 | 05:43 PM
  #2  
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Default Re: f22b ecu question (rabbit94ludes)

i would recommend an H23 ecu and an S-AFC
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Old Jan 9, 2005 | 07:59 PM
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Default Re: f22b ecu question (satan_srv)

why the s-afc? to lean it down a bit?
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Old Jan 9, 2005 | 08:10 PM
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Default Re: f22b ecu question (iCe_2x)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by iCe_2x &raquo;</TD></TR><TR><TD CLASS="quote">why the s-afc? to lean it down a bit?</TD></TR></TABLE>

most likely if needed, basically it's similar..but not the right ecu so it makes sense to get a fuel adjustment tool
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Old Jan 9, 2005 | 10:46 PM
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Default Re: f22b ecu question (satan_srv)

aight thanx guys
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Old Jan 9, 2005 | 11:05 PM
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Default Re: f22b ecu question (rabbit94ludes)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rabbit94ludes &raquo;</TD></TR><TR><TD CLASS="quote">aight thanx guys</TD></TR></TABLE>

i have a feeling that using a h23 ecu on a f22b is going to yeild less power than it would make w/ its standard ecu.

japan has higher octane gas than here in the states... therefore it is possible that the f22b's ecu has a more aggressive ignition/fuel map program. which in turn, might explains why a 2.2L engine w/ 9.2:1 comp. makes 160 hp. keep in mind that f22b is basically a h23 w/ a 85 mm bore.




Modified by SUB-0 H23 at 12:23 AM 1/10/2005
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Old Jan 10, 2005 | 09:39 AM
  #7  
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Well, does anyone know where I can order and japanese f22b ecu?
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Old Jan 10, 2005 | 01:03 PM
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afaik the f22b also doesnt have a knock sensor stock, while the p14 will wnat one.
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Old Jan 10, 2005 | 06:50 PM
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Default Re: (v4lu3s)

my mechanic drilled a hole for one..
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Old Jan 10, 2005 | 08:18 PM
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Default Re: f22b ecu question (SUB-0 H23)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SUB-0 H23 &raquo;</TD></TR><TR><TD CLASS="quote">

i have a feeling that using a h23 ecu on a f22b is going to yeild less power than it would make w/ its standard ecu.

japan has higher octane gas than here in the states... therefore it is possible that the f22b's ecu has a more aggressive ignition/fuel map program. which in turn, might explains why a 2.2L engine w/ 9.2:1 comp. makes 160 hp. keep in mind that f22b is basically a h23 w/ a 85 mm bore.

Modified by SUB-0 H23 at 12:23 AM 1/10/2005</TD></TR></TABLE>

Japanese gas is not that much higher 100 ROM (Reasearch Octane) is a higher rating than US (R+M)/2 method, which is the average of research (high) and mechanical octane rating (lower). I can't remember but 100 is more like 94, which I agree is not necessarily available everywhere. Just some info...
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