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Euro R injectors/manifold on obd1 harness

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Old Oct 21, 2007 | 10:03 PM
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Default Euro R injectors/manifold on obd1 harness

Been searching and asking around about running a euro r manifold along with euro r injectors on my obd1 h22.. From what I've gathered the euro r injectors are saturated 280cc, thus negating the need for a resistor box.
Would eliminating the resistor box would make these injectors work alright?

If i snagged a resistor box from a 96-00 civic dx/lx, would that be an easier solution? (I read they run saturated)
Thanks in advance for the help


edit: I also wanted to ask if its even practical to even run these injectors, I am getting a manifold with the euro r fuel rail and injectors already installed, Should I just modify my stock fuel rail and grind out the intake ports on the euro r manifold? I wanted an easy ish install on these


Modified by Sam_J at 3:16 AM 10/22/2007
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Old Oct 22, 2007 | 03:52 AM
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civics do not have injector resistor boxes after 1991....matter of fact saturated injectors do not use them either, they are high resistance on their own.

Anyway if it was me, i would run the euro-r manifold with the injectors, fuel pressure regulator and rail as is, though i would want to put a wideband o2 sensor on to make sure it is getting enough fuel too.

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Old Oct 22, 2007 | 06:35 AM
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Thanks for the input Willie
Do you think I would run into a lean condition running the Euro R's? I was leaning on using the injectors, it would really simplify things for me
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Old Oct 22, 2007 | 08:23 PM
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Default Re: (Sam_J)

bump, anyone know if running these injectors with a removed resistor box would cause a lean condition?? I'm running a p28 with a decent h22 map on it

The last thing I need is to blow it up
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Old Oct 22, 2007 | 09:24 PM
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Default Re: (Sam_J)

stick with the Euro injectors. if they are in fact saturated (and I think they are) you won't need a resistor box to run them.

what I did on my car for the RDX injectors (also saturated) was go to a junkyard and find a resistor box (happened to come off of a cb7 accord) and cut the plug off of it. then I took the 5 wires and soldered them together essentially making a dummy plug that I could plug into my obd1 harness instead of the resistor box. now if I want to switch back I just remove the dummy plug and plug the resistor box back in.
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Old Oct 23, 2007 | 05:04 AM
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^I was thinking of doing exactly that to eliminate the box too
Thanks for the help guys

I'll update this thread with pics once I get the manifold


Modified by Sam_J at 9:36 AM 10/23/2007
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Old Oct 25, 2007 | 08:29 AM
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Default Re: (Sam_J)

Alright I have one more question about running these injectors along with the manifold.
If I bypass the resistor box by making a jumper connector, would I run into any driveability issues with my chipped p28? Would I have to get a tune right off the bat? I'm not sure how my ECU is going to deal with saturated injectors instead of the stock peak and hold, and I dont want to blow my motor up.
So what Im asking is, is there anything else I need to do to make this setup work properly?
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