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Which head is this..? pic

Discussion in 'Engine Building' started by 78civic, Mar 8, 2010.

  1. 78civic

    78civic Junior Member

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    Good morning, I picked up a nice little 89 crx hf and the head was already swapped but don't know which one. I'll be pulling the carpet back and checking the ECU in a short while.
    Near the outside ex port, there is a casting of "PM8" in front of what would be #3 cyl.

    I added a couple of pics because it doesn't look anything like my 90 4dr. and the intake is just tiny tiny.. Not like the EX one that I was going to swap. Which leads me to another q. Will that Ex intake swap onto this head that's in the pic?

    I HATE COMPUTORS!!! For some reason it lets me link the second pic but not the one of the front of the head/valve cover.
    I don't have time to screw with it..

    Thanks E


    http://img402.imageshack.us/img402/9497/new89crxenginecompt002.jpg
     
  2. 78civic

    78civic Junior Member

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    [​IMG][/URL][/IMG]

    DAMN p o s...

    E
     
  3. efhondakid

    efhondakid My name is Byron. VIP

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    The intake looks to be an Si mani, the head Im not sure on.
     
  4. eg6sir

    eg6sir Supa Mod Moderator VIP

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    nah.. thats an HF manifold.. looks how skinny it is..
     
  5. efhondakid

    efhondakid My name is Byron. VIP

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    Upon a second investigastion I see it is, didnt notice how tiny it was at first.
     
  6. 78civic

    78civic Junior Member

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    How 'bout the PM8??

    E
     
  7. ls vtec teg

    ls vtec teg New Member

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    if you mean the name of the head maby its d16z6 head

    like that [​IMG]

    and I m not shore
     
  8. CAFROG

    CAFROG Honda Minion VIP

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    ^^^ thats not a D16Z6 IM or valve cover
     
  9. 78civic

    78civic Junior Member

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    That casting mark is the only on that I can see at the moment.
    (I tried to adjust the valves and the last goof had them soo tight that I couldn't loosen the jam nut from the lash adjuster. The screwdriver kept popping out, I only got 1 dang valve adjusted).

    I took some more pics of it right before I left to work, so I'll try and post them later tonight..
    The exhaust manifold has the cat right under the O2sensor. Like the early EW 84-87's.

    It's not like somethings wrong.. I just wanted to know so I could get some cheap header on it. It runs but makes a slight noise like valves (that's why I tried to adjust them)

    OH, and it's got the PM-8 ecu?? I already have the A6 intake, was going to use that on my 4dr, but now think that I might swap it on this and the ecu to get a little more pep out of it for the time being.

    Thanks guys
    E
     
  10. eg6sir

    eg6sir Supa Mod Moderator VIP

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  11. 78civic

    78civic Junior Member

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    Thanks. I just saw it under the faq section. I missed it last time.

    E
     
  12. 78civic

    78civic Junior Member

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    YUP, it's gotta be a HF car/engine block. BUT I don't know if the head is what you fellers say is a "Y8" or..?
    The real question is, If D heads only go on D blocks then I should be able to get a cheap D series ebay header and it should work right??
    By "work" I mean fit the oil pan and mate the bracket in back under the oil filter and such..?

    I took a few more pics yesterday.
    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]


    I hope these come out now. and be able to help someone else out.

    E
     
  13. 78civic

    78civic Junior Member

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    Ya know.. Now that I think of it, It's probably just an HF all together and not some 'different' head..
    I wonder if I can just pop in this PM-6 ECU without ruining it?

    The Prev owner told me there was some kind of swap, and I didn't know about the mpfi of the HF's, therefore I just assumed that something had been done. (never had one myself until now).... DUH!!

    Thanks again guys.
     
  14. jlicrx

    jlicrx Senior Member

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    when you adjusted the valves, did it only have 8 valves? - can't see the picture very well, but if the head says PM8-#, it is the HF 8-valve head - probably has a DX valve cover
     
  15. 78civic

    78civic Junior Member

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    Come to think of it.. Yup, it did have 8 valves. Still couldn't budge those adjusting screws though.
    At least it runs ok for now. (I need to move vehicles around often so the nosy neighbors won't complain)

    EF: I'll search out the pull-its for the trailing arms/brakes.

    thanks again. E
     
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