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H22A Head Differences

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    #1

    H22A Head Differences

    Hey guys,

    Is there a difference between the H22A1 (93-97) and H22A4 (97+) head? I know the blocks are slightly different (closed deck/open deck), just wondering about the head.

    Thanks!
    1992 Prelude S w/swapped H22A
    Tags: None
    #2
    possibly the sensors...i have an A4 head.
    I <3 G60.

    0.5mm Oversized Stainless valves and bronze guides available. Pm me please.

    Comment

      #3
      Originally posted by wed3k View Post
      possibly the sensors...i have an A4 head.
      So if I put A1 sensors on an A4 head I'll be good, right?
      1992 Prelude S w/swapped H22A

      Comment

        #4
        Their could be a difference in the cams. I have an A4 engine and when i did some work on the head it already had dual valve springs?
        Freedom Is Not Free
        U.S Army 02/08 Medically Discharged

        Comment

          #5
          Originally posted by benjerman112 View Post
          Their could be a difference in the cams. I have an A4 engine and when i did some work on the head it already had dual valve springs?
          thats interesting. ill have to check the spring pressures on that.
          I <3 G60.

          0.5mm Oversized Stainless valves and bronze guides available. Pm me please.

          Comment

            #6
            Originally posted by wed3k View Post
            thats interesting. ill have to check the spring pressures on that.
            Huh. I'll have to go look at mine. I have three different heads right now, one USDM A1 (off of my engine), a JDM head from 1991 (not sure what model of engine it was, broken anyways), and a USDM A4 head from a 98 base, plus I have cams from all three. I'm trying to figure out what the best combo of parts is to put back on my engine.

            *I only asked the original question just in case I was missing something, I know I can just look at them.
            Last edited by benji; 08-13-2009, 01:57 PM.
            1992 Prelude S w/swapped H22A

            Comment

              #7
              Mine is an SH if that makes ne difference.
              Freedom Is Not Free
              U.S Army 02/08 Medically Discharged

              Comment

                #8
                I have a 2000 jdm head and a 2001 a4 head ( on the car ). They both look the same to me as for as internal parts go, but the head housing on the inside looks a little different

                -1992 CB7 EX w/H22 [sold 10/09]
                -2005 Legacy GT limited [current]

                Comment

                  #9
                  I think the cams are different as far as the specs on them goes but not by much.

                  86 4Runner - 22RE 5spd, 4" Lift, 35x12.5R15 BFG Km2's, 4.10 gears
                  "The Turtle"
                  DD/Trail Rig/Mud Bug

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