Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

D16z6 vs. D16y8

 
Old 08-08-2004, 04:11 PM
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Default D16z6 vs. D16y8

Well, I have a 95 ex.........motor went kaput, so I found and purchased a D16y8 motor. Both SOHC vtec motors.......what are the big differences? Any advantages or disadvantages? Thanks for your help

-jase
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Old 08-08-2004, 04:24 PM
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Default Re: D16z6 vs. D16y8 (shiftgear8000)

The main difference is that your car is OBD1 and the engine you bought is either OBD2a or OBD2b. Other than that they both have the same HP and TQ numbers.

I hope you got the harness and ecu to go with the motor.
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Old 08-08-2004, 04:25 PM
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z6 flows better
y8 has higher compression
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Old 08-08-2004, 04:40 PM
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Default Re: (pdiggitydogg)

z6-125 obd1
y8-127 obd2a or b
And as for the harness problem you can just buy a Jumper harness.
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Old 08-08-2004, 04:44 PM
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Default Re: (pdiggitydogg)

So the only difference is really in the head?
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Old 08-08-2004, 04:45 PM
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Default Re: (shiftgear8000)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by shiftgear8000 &raquo;</TD></TR><TR><TD CLASS="quote">So the only difference is really in the head?</TD></TR></TABLE>
and the block. Y series blocks have an oil consumption problem.
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Old 08-08-2004, 04:48 PM
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Default Re: (HXvtec)

Oh well......guess I got it, so now I gotta work with it. I'm sure the OBD-1 harness and P28 will work just fine.......I mean, my B20/VTEC worked w/ an odb1 ex harness and OBD1 P30.

As for the head, it's getting sent to get a nice port/polish while I do the block up for my turbo kit.
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Old 08-08-2004, 04:52 PM
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Default Re: (shiftgear8000)

it wont work fine. Cause there are some extra plugs and sensors on that motor. There is 2 oxygen sensors. Also a sensor in the intake.the dizzy is different, and also some others. Just get the jumper harness and you will be fine.
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Old 08-08-2004, 05:06 PM
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Default Re: (HXvtec)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HXvtec &raquo;</TD></TR><TR><TD CLASS="quote">
and the block. Y series blocks have an oil consumption problem.</TD></TR></TABLE>
and the steel shift fork
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Old 08-08-2004, 05:13 PM
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Default Re: (Art In Motion)

And a knock sensor.
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Old 08-08-2004, 05:52 PM
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Default Re: (HXvtec)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HXvtec &raquo;</TD></TR><TR><TD CLASS="quote">it wont work fine. Cause there are some extra plugs and sensors on that motor. There is 2 oxygen sensors. Also a sensor in the intake.the dizzy is different, and also some others. Just get the jumper harness and you will be fine.</TD></TR></TABLE>

The 2 oxygen sensors are in the header and one after the catalytic converter. The y8 exhaust manifold would fit fine on ur catalytic converter rite now so you wont need to have a second oxygen sensor. For the distributor part if u can find a used DX distributor it'll fit fine w/ the y8 head knowing this from first hand experience cuz thats the distributor i used for my mini me head swap when i put a y8 head on a dx block.
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Old 08-08-2004, 08:01 PM
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Default Re: (simplypinoyy)

Well, I did get the dizzy w/ the motor, so that's not a problem......and I have an OBD1 p28 and harness.....I don't beleive that motor needs a knock sensor. If I'm right, I beleive the GS-R was the only car to come w/ a knock sensor. Oh well, I'm sure it will work out alright
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Old 08-08-2004, 09:42 PM
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Default Re: (HXvtec)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HXvtec &raquo;</TD></TR><TR><TD CLASS="quote">
and the block. Y series blocks have an oil consumption problem.</TD></TR></TABLE>

Never heard of that one before.
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Old 08-08-2004, 09:47 PM
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Default Re: (shiftgear8000)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by shiftgear8000 &raquo;</TD></TR><TR><TD CLASS="quote"> If I'm right, I beleive the GS-R was the only car to come w/ a knock sensor.</TD></TR></TABLE>

You are wrong.
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Old 08-09-2004, 05:44 PM
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Default Re: (yuckymucky)

yuckymucky is right, the y8 does have a knock sensor.
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Old 08-15-2004, 01:37 AM
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just re-use ur old harness, only use sensors that ur car needs, ur gonna need those sensors if ur obd2( cfk,knock, o2) obd1 dont need those sensors, as far as the dizzy goes, just color match the wires
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Old 08-15-2004, 02:46 AM
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i dont know about y8's having an oil consumption problem but I've heard alot that the oil pump for the y8 flows less than the z6, w/ jacked up motors after being raced a bit being the result.
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Old 08-15-2004, 02:52 AM
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Default Re: (AzCivic1.6)

and don't forget that the Y8 has the better tranny of the two.
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Old 08-24-2004, 11:52 AM
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Default Re: (AzntaggeR)

Y series are F'in magicians hiding oil all the time. "I just checked my oil and it was completely dry" "check your golve box"

Better tranny?
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Old 08-24-2004, 01:38 PM
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Default Re: (Revolver)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Revolver &raquo;</TD></TR><TR><TD CLASS="quote">Y series are F'in magicians hiding oil all the time. "I just checked my oil and it was completely dry" "check your golve box"

Better tranny?</TD></TR></TABLE>

Hiding oil????

The Y8 tranny is better because it has steel shift forks instead of aluminum ones that are prone to breaking.
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Old 08-24-2004, 01:46 PM
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Default Re: (RyanCivic2000)

d16z6 &gt; d16y8
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Old 08-24-2004, 01:50 PM
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Default Re: (DemostheneZ)

use a z6 block and y8 head was a good combo for me
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Old 08-24-2004, 02:44 PM
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Default Re: (NLR808)

TurbodCX has/had a Y8 block and Z6 head making lots of power.
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Old 08-24-2004, 03:23 PM
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This is a pretty good place to look...

http://pub143.ezboard.com/fhon...topic
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Old 08-24-2004, 03:28 PM
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Default Re: (VtecAddict96)

uhm.. if theres more sensors on the obd2 motor then the obd1, but since your using the obd1 ecu and program, you can just re-use the obd1 harness.... only problem might be.. is the timing my friend has a 95 sohc vtec block with a 99 obd2 sohc head, with the timing right on he has to switch his firing order around which is retarted but it works that way. it may not start right up.... but then again im not a single cam man
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