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

D16Y8 swap.

 
Old 08-02-2004, 12:24 AM
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Default D16Y8 swap.

I just bought a 98 Civic LX and it has the D16Y7. I want to switch the engine head for the D16Y8 so I can add a little more HP and get the VTEC. Can anyone tell me all the parts i'll need to do change the heads and where I can purchase them online? And about how much this will cost?
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Old 08-02-2004, 12:42 AM
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Default Re: D16Y8 swap. (Cone_420)

i think that you will need the head, ECU, intake manifold, Vtec solenoid, wiring harness, and i think that may be it. My advice, b-series swap.
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Old 08-02-2004, 01:21 AM
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Default Re: D16Y8 swap. (Cone_420)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Cone_420 &raquo;</TD></TR><TR><TD CLASS="quote">I just bought a 98 Civic LX and it has the D16Y7. I want to switch the engine head for the D16Y8 so I can add a little more HP and get the VTEC. Can anyone tell me all the parts i'll need to do change the heads and where I can purchase them online? And about how much this will cost?</TD></TR></TABLE>
There have been countless threads about all types of swaps, dude. Check this out next time.
https://honda-tech.com/zerothread?id=749544

As to your query, you'll need the whole motor (the blocks are different), tranny (best part), ECU, harness, and you'll have to do some wiring
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Old 08-02-2004, 03:47 AM
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Default Re: D16Y8 swap. (hatchling37)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hatchling37 &raquo;</TD></TR><TR><TD CLASS="quote">As to your query, you'll need the whole motor (the blocks are different)...</TD></TR></TABLE>

The service manual shows all the bottom end components (including the blocks) to be the same. What is different between the Y7 and Y8 blocks?

You don't need an EX transmission, but it comes highly recommended. Also, the intake, throttle body, intake manifold, header and exhaust except, I think, for the muffler is different on the EX.

As for swapping the heads, it is called a "mini-me conversion." There is a lot of information on this site and others about how to do a mini-me and what parts are needed. You don't have to change the whole motor to get the Y8 head going.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hatchling37 &raquo;</TD></TR><TR><TD CLASS="quote">There have been countless threads about all types of swaps, dude. Check this out next time.
https://honda-tech.com/zerothread?id=749544</TD></TR></TABLE>

If you are going to take the time to write the post and give him/her a search link, at least tell him/her the information he/she needs to effeciently search.
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Old 08-02-2004, 01:21 PM
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Default Re: D16Y8 swap. (mct121)

There is a very slight and almost non-noticable difference between the y7 and y8 blocks...


Take a look down an open block and see the difference, the y8 has a little more material between the cylinder sleeves than the y7, thats the only difference you will find besides the stamp
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Old 08-02-2004, 06:48 PM
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Default Re: D16Y8 swap. (civic-4-ges)

You mean the thickness between cylinders? Or the thichness of the sleeve itself? Does the Service Manual show this difference? If so, could you give me a reference?

I have comptemplated a Y7/Y8 conversion and am just curious, that's all.

Thanks.
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