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H22 head vs. H23 head

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    #1

    H22 head vs. H23 head

    I was wondering what are the differences between the H22 head and the H23 head. More specifically, why do many N/A H22's use the H23 head? I've seen a lot of really good N/A builds and a lot of them use a ported H23 head. Is it just for air flow, valve lift/duration, or is there something else? I really want to keep my car naturally aspirated and I'm wondering if the 23 head is really worth swapping to or not.
    Thanks,
    Woody
    Tags: None
    #2
    That's a tough question. My guess is the great flowing prospects of the H23 intake manifold. But the real question is, why not use the higher rev characteristics of the H22? plus the aftermarket support?
    F22a1, T3/T4 turbo, Greddy Type RS BOV on left-over AEM CAI piping, Turbo XS manual boost controller, PHAT intercooler, Crzy tuning, Walbro fuel pump, AEM FPR/fuel rail/pulleys/cam gear, Gude cam and throttle body, MSD ignition/cap/coil, NGK wires and Iridium plugs, Fidanza flywheel, ACT clutch, Nuespeed short shifter

    9 lbs on stock internals (for 10 min)
    16.2 1/4 mile with basics
    ??.? 1/4 mile with turbo
    139 hp with all bolt-ons
    ??? hp with turbo

    STAY TUNED

    Comment

      #3
      could you not get the 22 head ported and therefore still have the high revving characteristics AND smooth, high volume airflow?
      Originally posted by HardInThePaint
      Girls should most definitely rep the shocker. Embrace the shocker.

      Be one with the shocker.


      My ride: http://www.cb7tuner.com/vbb/showthread.php?t=187897

      Comment

        #4
        Which h23? The sohc, or the dohc?
        98' Mustang 3V Swap
        11' VW CC R36

        Comment

          #5
          Wow... just... wow.


          There are no SOHC H23s. There are no SOHC H series engines period.



          I don't know of anyone that puts an H23 head on an H22 block. Often, it's the H22 head on the H23 block (for the extra displacement of the H23)


          Both heads are good. H22 is vtec. H23 is not. F22A has the ability to outflow both.


          Headswaps generally aren't a good idea with the H and F series motors. They're doable, but many fail for one reason or another (often the installer, but that's beside the point). If you want a performance upgrade, swapping a head won't do all that much for you.






          Comment

            #6
            Son of a bitch. Google's worthless.

            It's not necessarily google though. It's other forums, that don't have any clue what they're talking about. Makes me look like an ass.
            98' Mustang 3V Swap
            11' VW CC R36

            Comment

              #7
              ummmmmm. oh. my bad.
              <<<being properly chastised.

              the h series is all dohc. got it. i gotta think more before i type.
              Originally posted by HardInThePaint
              Girls should most definitely rep the shocker. Embrace the shocker.

              Be one with the shocker.


              My ride: http://www.cb7tuner.com/vbb/showthread.php?t=187897

              Comment

                #8
                thanks

                Hey, thanks guys. Along with posting, I've been doing some research and I've found that you are right. There really is no benefit to swapping heads. I'll just go get mine ported when I swap cams and I should be fine.
                Thanks again
                Woody

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