How bad will my b18a run on a DX ecu ??

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Old May 13, 2002 | 06:08 PM
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Default How bad will my b18a run on a DX ecu ??

Just curious , I have to run one right now till i get enough jack for a 92-95 integ
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Old May 13, 2002 | 06:14 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (Devin17)

i dont even think it will start up...

i have a pr4 i might get rid of, not sure yet...make me an offer...
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Old May 13, 2002 | 06:16 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (crxgator)

Yea it starts up fine
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Old May 13, 2002 | 06:17 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (Devin17)

pr4 ? Is that a 92-95 integ ecu ?
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Old May 13, 2002 | 06:28 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (Devin17)

no pr4 is the non-obd version of the b18a...basically what you need...90-91...
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Old May 13, 2002 | 06:33 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (crxgator)

the dx ecu started the b18? i dont think that is very wise.
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Old May 13, 2002 | 06:35 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (Hayasa15)

why ? my car is wired for obd 1
so im running a 92-95 dx ecu. Like thats gonan hurt it ?


[Modified by Devin17, 10:36 PM 5/13/2002]
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Old May 13, 2002 | 06:38 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (Devin17)

oh you didnt say that...see when we think of dx ecu, we are talking about 88-91 crx/civic dx which is dpfi not mpfi...n/m my ecu isnt for you...
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Old May 13, 2002 | 07:23 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (crxgator)

haha, ya seriously dude, ya gotta specify as this IS an ef forum and the vast majority of us are obd0. the dx ecu will be just fine until you get cash for a p75. obviosly your fuel maps will be for a 1.5L 105hp motor instead of a 1.8L 142 hp motor.
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Old May 13, 2002 | 08:24 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (RexB16)

damnit rexB16 I keep trying to click on your avatar to maximize it.
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Old May 13, 2002 | 08:40 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (Devin17)

The DX ECU will run the motor. But it will be running on the lean side, obviously. Running a motor lean is not the best thing to do, as it can cause detonation. But I am not sure how bad the situation is with a 1992-1995 DX ECU. I would get the proper ECU ASAP.

As for the PR4, it actually comes in two flavors. There is the early OBDI (or non-OBD, if you prefer) 1990-1991 PR4. This ECU will not work with your wiring and distributer. Then there is the OBDI 1992-1993 PR4. This ECU is almost identical to the 1994-1995 P75 and will run your motor perfectly.
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Old May 13, 2002 | 08:54 PM
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Default Re: How bad will my b18a run on a DX ecu ?? (89 CRX SI)

haha, i have about 3000 pics on this comp and i cant remember which one i used for the avatar. and what stormin said is pretty much what i said. also he is right aboutt the ecu's. 92 was teh first year for obd1 in hondas so a dist from 92-95 will work.
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