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87 DOHC in a 89 hatch

Discussion in 'ECU's, Electronics, and Tuning' started by Yspeed, Jun 21, 2004.

  1. Yspeed

    Yspeed Member

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    Well I have a 89 Si with a 87 ZC in it, The harness hooked up fine. Do you see any problem with me starting it. I heard there is much more wiring involed The only wires I have left is TBC and cam angle sensor. So should I start it? Or will I wreck something. Thanx for the help

    Matt
     
  2. radnulb

    radnulb Senior Member

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    will not start. needs the distributor from the later motor. should be fine with the later distributor.
     
  3. radnulb

    radnulb Senior Member

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    I'd kinda like to see pictures of your motor mounts if you're using a 1G brown top ZC in a 4G chassis.
     
  4. Yspeed

    Yspeed Member

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    Ya I have the Distributer, for the 87 and it fits.As for the mount my dad built it himslef But I will post a pic soon.Thanx for the help, I will try to start it to today.

    Matt
     
  5. radnulb

    radnulb Senior Member

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    you need a 88-89 distributor.
    You'll also need the cam caps (things under valve cover that dist. bolts to) to use the later distributor. The 87 distributor will NOT work with a 89 Civic chassis / ECU
     
  6. Yspeed

    Yspeed Member

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    What are the cam caps? But I have the pm7 ecu? I just checked the dist. and it fits so does the rotor. I plug the wires in and they fit all I have to do is wire up the coil for the distributor. I seen the cam caps so I know what your talking about, Like I see no reasion to change the distributor. Even tho it has a coil out side the cap. I'm new to this hole wiring thing,so what eve Thanx for the help
     
  7. radnulb

    radnulb Senior Member

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    Listen. If you're new to this, you should listen.

    You have a 4th gen civic chassis with an ECU that expects an electronic advance distributor, i.e. ECU controls timing.

    The motor you have is from a 87 integra with a vacuum advance distributor - i.e. the ECU doesn't control timing.

    You need to either:
    1. get the 87 teg ECU and convert the wiring in your car back to vacuum advance
    2. get the 88-89 distributor and wire it up properly.

    Failure to do so will cause your car to not run. Same kinda deal as mixing OBD0 + OBD1 crap, just older.

    I already told you what cam caps are btw. They have 2 - 10mm bolts and fit over the end of the cams. The distributor bolts to them. You need to swap them because the cam caps are different from 86-87 to 88-89. You need to take the valvecover off to get to the cam caps.
     
  8. cheese9988

    cheese9988 Senior Member VIP

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    I have a 87 integra ecu (pg7) that I can sell you cheap :D
     
  9. Yspeed

    Yspeed Member

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    Ight thanx for the help,Now I have the 87 wires can I till use them? How hard is it to wire the Distributor?
     
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