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#51 |
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Senior Member
Join Date: Jan 2003
Location: Raleigh, NC
Age: 21
Posts: 5,251
iTrader: 2 / 100%
Ride: 88 Honda Civic HB
Rep Power: 89
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He will not need OBD0 injectors or resistor box if the injector plugs fit or he swaps the plug connectors over to work with the OBD1 injectors.
OBD0 Injectors are like 2-3ohms with ~10ohm resistor= ~13ohms OBD1 Injectors= ~13-15ohms. OBD0 injectors or any low-impedance injectors without a resistor box=fried ECU.
__________________
1988 Honda Civic STD-more mods than I want to list Terrorists have successfully attacked our imagination. RIP Jon Eban Nie, August 31, 1991 - May 7, 2006 Y-Daniel Siu Eban, September 7, 1986 - May 7, 2006 |
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#53 |
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Senior Member
Join Date: Jan 2003
Location: Raleigh, NC
Age: 21
Posts: 5,251
iTrader: 2 / 100%
Ride: 88 Honda Civic HB
Rep Power: 89
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If the connectors are the same(I do not know because I never checked); then run the D15B7 injectors. Also, when you wire up the DPFI/MPFI conversion, you could go ahead and use the OBD1 injector plugs.
Difference is the impedance. The OBD0 injectors need the resistor box because they're peak and hold/low impedance types. The OBD1 injectors are saturated/high impedance and do not need the resistor box.
__________________
1988 Honda Civic STD-more mods than I want to list Terrorists have successfully attacked our imagination. RIP Jon Eban Nie, August 31, 1991 - May 7, 2006 Y-Daniel Siu Eban, September 7, 1986 - May 7, 2006 |
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#54 |
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My name is Byron.
Join Date: Mar 2007
Location: Akron-Canton, Ohio
Age: 19
Posts: 3,382
iTrader: 0 / 0%
Ride: `89 DX Hatch w/JDM B16
Rep Power: 107
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Its late, I cant think, Ill let someone else handle it. Ive hopefully at least helped you understand the concept of the conversion.
__________________
Dont PM me with tech questions. I will not answer them. Looking for a P28 and B-series turbo parts, PM me. |
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#56 | |
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Banned
Join Date: Aug 2008
Location: Houston,Texas
Age: 20
Posts: 85
iTrader: 0 / 0%
Ride: 89 Civic Hatch
Rep Power: 0
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Quote:
So, I don't need a injector resistor box on the injectors on the 93 motor? |
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#57 |
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Senior Member
Join Date: Jan 2003
Location: Raleigh, NC
Age: 21
Posts: 5,251
iTrader: 2 / 100%
Ride: 88 Honda Civic HB
Rep Power: 89
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Nope.
__________________
1988 Honda Civic STD-more mods than I want to list Terrorists have successfully attacked our imagination. RIP Jon Eban Nie, August 31, 1991 - May 7, 2006 Y-Daniel Siu Eban, September 7, 1986 - May 7, 2006 |
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#58 |
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Banned
Join Date: Aug 2008
Location: Houston,Texas
Age: 20
Posts: 85
iTrader: 0 / 0%
Ride: 89 Civic Hatch
Rep Power: 0
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So, how would i do the dpfi to mpfi swap? because the site im going by has the whole dpfi to mpfi wiring from the ecu to the injector box and from the injector box to the injectors.
D2G Automotive Articles 88-91 Civic - DPFI to MPFI Conversion |
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#59 |
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Senior Member
Join Date: Jan 2003
Location: Raleigh, NC
Age: 21
Posts: 5,251
iTrader: 2 / 100%
Ride: 88 Honda Civic HB
Rep Power: 89
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This one will help you a little better(has pictures and IMO more complete):
FourthGenHatch
__________________
1988 Honda Civic STD-more mods than I want to list Terrorists have successfully attacked our imagination. RIP Jon Eban Nie, August 31, 1991 - May 7, 2006 Y-Daniel Siu Eban, September 7, 1986 - May 7, 2006 |
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#60 | |
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My name is Byron.
Join Date: Mar 2007
Location: Akron-Canton, Ohio
Age: 19
Posts: 3,382
iTrader: 0 / 0%
Ride: `89 DX Hatch w/JDM B16
Rep Power: 107
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Quote:
__________________
Dont PM me with tech questions. I will not answer them. Looking for a P28 and B-series turbo parts, PM me. |
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#63 |
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Senior Member
Join Date: Jan 2003
Location: Raleigh, NC
Age: 21
Posts: 5,251
iTrader: 2 / 100%
Ride: 88 Honda Civic HB
Rep Power: 89
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If you're using the OBD1 injectors, no. All it'll do is make the OBD1 injectors response sluggish. In most of the DPFI/MPFI write-up; they're using parts sourced from a 88-91 HF/Si, hence why they're using the resistor box.
__________________
1988 Honda Civic STD-more mods than I want to list Terrorists have successfully attacked our imagination. RIP Jon Eban Nie, August 31, 1991 - May 7, 2006 Y-Daniel Siu Eban, September 7, 1986 - May 7, 2006 |
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#64 |
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Banned
Join Date: Aug 2008
Location: Houston,Texas
Age: 20
Posts: 85
iTrader: 0 / 0%
Ride: 89 Civic Hatch
Rep Power: 0
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my motor came with a wiring harness. i just thought about this and it has i think maybe 3 big connections and thats it. the regular obd0 connection just connect to them or how does this work?
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#65 |
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Banned
Join Date: Aug 2008
Location: Houston,Texas
Age: 20
Posts: 85
iTrader: 0 / 0%
Ride: 89 Civic Hatch
Rep Power: 0
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Well, hopefully the next day i get off, I'm gonna go over their and try and fix that cv axle somehow get it to go into the splines or just buy a new one. and after that all the machanical work is done completely. and I'll have it towed over here to my house and ill see what i can do myself with the electrical. and I'll let yall know whats going on from their. Thanks a Lot for all the help guys yall really helped me understand most of it and im not lost near as much as i was! lol ill let yall know if i have any more problems ! Thanks !
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#66 | ||
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Senior Member
Join Date: Jan 2003
Location: Raleigh, NC
Age: 21
Posts: 5,251
iTrader: 2 / 100%
Ride: 88 Honda Civic HB
Rep Power: 89
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Quote:
Quote:
If you were to try to use the grey OBD1 connectors, you'd need to repin the connectors or retrofit in a OBD1 main harness(huge pain in the ass).
__________________
1988 Honda Civic STD-more mods than I want to list Terrorists have successfully attacked our imagination. RIP Jon Eban Nie, August 31, 1991 - May 7, 2006 Y-Daniel Siu Eban, September 7, 1986 - May 7, 2006 |
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