D16Y8 Head On D15B2 Block?

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Old Feb 4, 2004 | 11:55 AM
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Default D16Y8 Head On D15B2 Block?

I just want to verify that this is what to do when putting a D16Y8 head on a 88 CRX DX D15B2 block

D16Y8 head
D15B2 block
Use D15 cam gear and timing belt
Use 88-91 Civic/CRX distributor, harness (4 injector), resistor box, injectors, and ECU

Anything I'm missing?

What about the intake manifold?
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Old Feb 4, 2004 | 12:10 PM
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Default Re: D16Y8 Head On D15B2 Block? (ranta18)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ranta18 &raquo;</TD></TR><TR><TD CLASS="quote">
What about the intake manifold?</TD></TR></TABLE>

Y8
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Old Feb 4, 2004 | 12:47 PM
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Default Re: D16Y8 Head On D15B2 Block? (ranta18)

its my understanding you should get timing belt that matches your head. y8 head -&gt; y8 tbelt
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Old Feb 4, 2004 | 12:51 PM
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Default Re: D16Y8 Head On D15B2 Block? (tilt)

My understanding is that the design of the teeth are different (one rounded, one square) and that you have to use the D15 belt and gear.
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Old Feb 4, 2004 | 01:28 PM
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the z6 and y8 belts are the same..so buy whichever is cheaper, i have a y8 belt on my d15b1/z6. Your also going to need an adjustable cam gear to get timing correct.

Another thought, if your spending the money to do the mpfi swap..thought about just going obd1 while ur doing it since u need dist. and ecu and everything anyways?
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Old Feb 4, 2004 | 01:31 PM
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Don't forget you'll need a means by which to activate vtec. If you end up switching to obd1 then you can use the z6 ecu. Otherwise you'll need an RPM switch of some sort. Good luck.
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Old Feb 4, 2004 | 05:03 PM
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Default Re: (VocalArtist)

Basically I have a D15B2 right now and I'm getting a D16Y8 head w/ manifolds plus a 88-91 Civic Si distributor, harness, injectors, and resistor box, and ECU for $50.

All I need now is the Y8 head gasket right?
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Old Mar 13, 2023 | 12:43 AM
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Default Re: D16Y8 Head On D15B2 Block?

Originally Posted by ranta18
I just want to verify that this is what to do when putting a D16Y8 head on a 88 CRX DX D15B2 block

D16Y8 head
D15B2 block
Use D15 cam gear and timing belt
Use 88-91 Civic/CRX distributor, harness (4 injector), resistor box, injectors, and ECU

Anything I'm missing?

What about the intake manifold?
You will need to convert it to DPFI to MPFI and get a p28 ECU. And a wire kit and ECU kit for ODB0 to ODB2 and the distributor kit (comes with the conversion kit on Amazon). You will need a adjustable timing gear for you will be half a tooth off TDC.
You can not use the ECU . The D15B2A intake manifold will not fit the Y8. The cam gear needs to be adjustable,
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Old Mar 13, 2023 | 12:45 AM
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Default Re: D16Y8 Head On D15B2 Block?

You can not run the intake with the Y8. Need a Y8 Intake manifold or modify the current one with a carbonator and bypass all the Injector stuff. Even harder in my opinion but all I do is build D-Series, what would I know! Lol
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Old Mar 13, 2023 | 12:54 AM
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Default Re: D16Y8 Head On D15B2 Block?

Originally Posted by phatrick2332
the z6 and y8 belts are the same..so buy whichever is cheaper, i have a y8 belt on my d15b1/z6. Your also going to need an adjustable cam gear to get timing correct.

Another thought, if your spending the money to do the mpfi swap..thought about just going obd1 while ur doing it since u need dist. and ecu and everything anyways?
The Y8 belt will be the 103 tooth , not the 104 as per the z6 and B1. SO HONDA TECH GUY YOUR WRONG.
And the water pump needs to be a Y8 pump gear or the half tooth off will mess up with the water pump of the 1.5l. I have this exact build in my 1991 CRX SI converted. Took me two y8 head and all bent valves to figure it out. The B2 head is different then the D15B and D15b1 as is the intake manifold i,intake,ecu. The CRX has the PM5 non VTec. The p28 is the Y8 ECU and will work with the entire system of the vehicle .
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