D15B7 on a 90 hatch

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Old Jul 11, 2007 | 03:03 PM
  #1  
johnDX's Avatar
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From: san antonio, tx, bexar
Default D15B7 on a 90 hatch

hey guys i need help? im putting a D15B7 with a D15B1 head and i got built and everything.... can i use the same harness or i need another harness cuase the one i have is obdo from a DUAL POINT and theres plugs that dont fit on the block like the coolant tempeture sensor... any idea
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Old Jul 11, 2007 | 03:56 PM
  #2  
Donkey85's Avatar
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From: Kzoo, Mi
Default Re: D15B7 on a 90 hatch (johnDX)

yeah, you need an si harness and a diff ecu such as a pm6 to run that motor
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Old Jul 11, 2007 | 04:37 PM
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slow_rex_will's Avatar
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Default Re: D15B7 on a 90 hatch (johnDX)

You have to the dpfi-mpfi swap and add wires to your existing harness, get a si dizzy and a pm6 ecu.
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Old Jul 13, 2007 | 08:33 PM
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johnDX's Avatar
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From: san antonio, tx, bexar
Default Re: D15B7 on a 90 hatch (slow_rex_will)

aight well thanks fo the help
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Old Jul 13, 2007 | 10:22 PM
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mr.speaker's Avatar
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Default Re: D15B7 on a 90 hatch (Donkey85)

if you don't mind staying dual point,you can re-use all the old stuff,,distirbutor,intake manifold,exhaust manifold,wiring,etc...and for the coolant sensor you're going to have to just leave it unplugged and run the fan to a switch,,because the d15b7 has the sensor on the thermostat housing area and the d15b1 has it on the block and you have the reverse motor..
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Old Jul 14, 2007 | 06:39 AM
  #6  
godruler's Avatar
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From: greenwood lake, ny, usa
Default Re: D15B7 on a 90 hatch (mr.speaker)

you know you could have just used the b7 head also instead of swapping the b1 head on, both are identical and the manifolds are interchangeable in each one.
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Old Jul 18, 2007 | 03:13 PM
  #7  
johnDX's Avatar
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From: san antonio, tx, bexar
Default Re: D15B7 on a 90 hatch (godruler)

well i used the same harness and dizzy and evertything else but the car dont seem to start i did the timing reset and still motor sounds like it wants to start but sound like the motor is to heavy
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Old Jul 18, 2007 | 03:55 PM
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Default Re: D15B7 on a 90 hatch (johnDX)

You need an SI harness and a distributor also if you want more power get a PR4 ecu of the integra it has better fuel mapping than the PM6 for racing!
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Old Jul 24, 2007 | 06:26 PM
  #9  
johnDX's Avatar
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From: san antonio, tx, bexar
Default Re: D15B7 on a 90 hatch (jdm_titan)

oh thats koo...well does anybody have a MPFI ? cuase i cant find non here in san antonio
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Old Jul 24, 2007 | 10:11 PM
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Default Re: D15B7 on a 90 hatch (jdm_titan)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jdm_titan &raquo;</TD></TR><TR><TD CLASS="quote">You need an SI harness and a distributor also if you want more power get a PR4 ecu of the integra it has better fuel mapping than the PM6 for racing!</TD></TR></TABLE>

what are you talking about? He doesnt need any of that stuff to get it to run,all he needs to do is re-use his oe intake manifold,exhaust manifold,and distributor and it should fire right up like a stock motor..since that's basically all it is.

And a pr4 wouldn't give any gains on a stock 1.5 sohc,that's just plain stupid..
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Old Jul 26, 2007 | 04:28 PM
  #11  
dirty sanchez82's Avatar
 
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From: Fairbanks, Alaska, USA
Default Re: D15B7 on a 90 hatch (mr.speaker)

I'm new to honda-tech and was wondering the same thing. I am rebuilding a 91 ef hatch for my wife's little sister. I put a jdm d15b from a 92-95 obd1 into a 91 obd0 and am having a hard time wiring the distributor. The obd0 has two plugs, one with two wires one with five. I'm having a hard time figuring out how to wire this distributor to keep obd0. Anyone out there do this before? Any advice?
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