is 1991 civic si obd0 or obd1?

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Old May 29, 2004 | 11:30 PM
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Default is 1991 civic si obd0 or obd1?

also do obd0 not require any o2 sensor?
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Old May 29, 2004 | 11:45 PM
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Default Re: is 1991 civic si obd0 or obd1? (StockEG9)

91 si is obd0.
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Old May 29, 2004 | 11:50 PM
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Default Re: is 1991 civic si obd0 or obd1? (EL Vap133)

If i were to go with an obd2 b18c swap, which ecu is most ideal?
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Old May 29, 2004 | 11:54 PM
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Default Re: is 1991 civic si obd0 or obd1? (StockEG9)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by StockEG9 &raquo;</TD></TR><TR><TD CLASS="quote">If i were to go with an obd2 b18c swap, which ecu is most ideal?</TD></TR></TABLE>

An OBD 2 ECU.
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Old May 30, 2004 | 01:58 AM
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Default Re: is 1991 civic si obd0 or obd1? (StockEG9)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by StockEG9 &raquo;</TD></TR><TR><TD CLASS="quote">If i were to go with an obd2 b18c swap, which ecu is most ideal?</TD></TR></TABLE>

Into a 91 Si? OBD0 or OBD1, avoid OBD2.

http://www.turboedit.org supports 1 wire VTEC for OBD0 if you have the correct ECU or add the correct parts.

Uberdata (see sig) supports whatever you need for OBD1... since OBD2 distributors are OBD1 compatible, your path of least resistance is probably an OBD1 conversion.
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Old May 30, 2004 | 03:47 AM
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Default Re: is 1991 civic si obd0 or obd1? (EL Vap133)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by EL Vap133 &raquo;</TD></TR><TR><TD CLASS="quote">

An OBD 2 ECU. </TD></TR></TABLE>

na im a fan on obd1 or using turboedit also
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Old May 30, 2004 | 06:54 AM
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Default Re: is 1991 civic si obd0 or obd1? (Mad Chemist)

What are the advantages and disadvantages of using an obd0 vs obd1 vs obd2 if I have an obd0 harness with obd2 motor?
and specifically which ecu would be best as in p72 vs pr0 etc.
I was under the impression that only the p72 would be most ideal since I have a gsr motor and that is the only ecu that utilizes the secondaries. What do you all think?
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