1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

d16y7 vtec head or d16z6 vtec?

Discussion in 'Engine Building' started by tipsy412, Jun 25, 2008.

  1. tipsy412

    tipsy412 New Member

    Messages:
    4
    Likes Received:
    0
    Joined:
    Jun 25, 2008
    I have a question for anyone that can help me with a problem i''m dealing with. I''m running a d16y7 in good condition, in my 98 civic. My freind recently blow out his 95'' d16z6 and I started to rebuild it. One pistion and rod is bad. Dont have money right now to buy new one. So I was thinking about taking out of the y7 pistions/rods out of mine, since the compresstion is more: 9.4 Everything else look good on the blowin block/head. The bottom line is I want to go vtec. Since I need to do all that work is it better if I do a mini swap with my 7y by adding the z6 head or should I keep rebuilding the z6 blowin motor with my 7y pistions/rod? What would be the better way, especially performance wise?
     
  2. Luis998

    Luis998 Honda Enthusiast

    Messages:
    2,867
    Likes Received:
    55
    Joined:
    Jan 14, 2008
    Location:
    Orlando, Florida
    Performance wise you are better off buying new pistons and rods, especially if you are thinking of turbo'ing it. That is just my own personal two cents as I would prefer to do it right from the start. I would just put the Z6 head on the Y7 block for simplicities sake and call it a day. You'll have to do an OBD conversion and replace a few things, but it's somewhat a straightforward head swap, except for the few obvious things. I also would not get rid of the block as you may be able to sell it or run into parts later on down the line. Best of luck. :thumbsup:
     
  3. INJEN78

    INJEN78 HS LEGEND

    Messages:
    9,187
    Likes Received:
    121
    Joined:
    Oct 1, 2007
    Location:
    OHIO
    it all depends on what you mean by "blown"
    if your just looking to go vtec then yea put the z6 head on your block..
     
  4. tipsy412

    tipsy412 New Member

    Messages:
    4
    Likes Received:
    0
    Joined:
    Jun 25, 2008
    I get what your saying with buying new pistion/rods, which makes sense and was thinking about turboing it later on. I already have the small stuff like the convertion hardness and ecu. Tell me if i wrong would it be harder to do the oil lines for vtec if i do the mini swap for the 7y? since it already the on the z6?
     
  5. BrutalB83

    BrutalB83 Brutal Moderator Moderator VIP

    Messages:
    11,620
    Likes Received:
    302
    Joined:
    Jun 24, 2006
    Location:
    Rochester Hills, MI
    It's not that hard, but yeah, having an engine block that was originally designed for VTEC is probably ideal...
     
  6. Luis998

    Luis998 Honda Enthusiast

    Messages:
    2,867
    Likes Received:
    55
    Joined:
    Jan 14, 2008
    Location:
    Orlando, Florida
    Now this is something someone told me and I am not sure if it has merit to it, but the Y7 block is supposedly stronger than the Y8 block. Does anyone know anything about that?
     
  7. BrutalB83

    BrutalB83 Brutal Moderator Moderator VIP

    Messages:
    11,620
    Likes Received:
    302
    Joined:
    Jun 24, 2006
    Location:
    Rochester Hills, MI
    Hmmm...I'm not aware of that, but that doesn't mean it's not true. I'm certainly no D-series expert... :shrug:
     
  8. tipsy412

    tipsy412 New Member

    Messages:
    4
    Likes Received:
    0
    Joined:
    Jun 25, 2008
    Me either but to think of it my y7 is a pertty strong block to me since its been two years racing it.
     
  9. tipsy412

    tipsy412 New Member

    Messages:
    4
    Likes Received:
    0
    Joined:
    Jun 25, 2008
    I'm still suck on how to do the oil lines for vtec. Even tho iv heard it not that hard to do. Do i need to buy a kit for the y7 block or this there a site were i can refrence how how to do this? anyone thanks!
     
  10. INJEN78

    INJEN78 HS LEGEND

    Messages:
    9,187
    Likes Received:
    121
    Joined:
    Oct 1, 2007
    Location:
    OHIO
    oil lines???
    i thought you only had to run oil lines on the dohc's...
     
  11. tegman88

    tegman88 New Member

    Messages:
    79
    Likes Received:
    1
    Joined:
    Apr 30, 2008
    Location:
    spartanburg sc
    you dont have to run oil lines on a sohc motor all the oil passages r the same
     
  12. K2e2vin

    K2e2vin Senior Member

    Messages:
    8,446
    Likes Received:
    92
    Joined:
    Jan 2, 2003
    Location:
    Raleigh, NC
    All of the "D16Y" blocks are worse than the D15B/D16A/D16Z blocks. This is attributed to the oiling issue.

    Ditto on the oil lines. No need to run any. Just pull out the oil restrictor plug if it has one. Pretty much a straight forward head swap affair.

    Also, as asked before, what exactly is blown? If the bearings went bad in the Z6, then go ahead and use the Y7 block. If the Z6 block is good, use that.
     
  13. BrutalB83

    BrutalB83 Brutal Moderator Moderator VIP

    Messages:
    11,620
    Likes Received:
    302
    Joined:
    Jun 24, 2006
    Location:
    Rochester Hills, MI
    This thread is four months old dude...next time, check the date...
     
Verification:
Draft saved Draft deleted

Share This Page