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H23 Head Swapped, with a Boosting Concern

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    #1

    H23 Head Swapped, with a Boosting Concern

    Ok, as you all may know i am working on a highly modified CB7(of Course) i just recieved an offer to buy an H23 Head for a reasonable price. What i am going to do is replace the stock f22 head with the h23, but i want to continue my current turbo planes. I thinkn that when i replace the head it may increase the compression. Now i was thinking if i can find lower compression pistons if that will solve my concern of running boost on a higher compression motor, considing i am doing a head swap. please let me know what you all may think or may have some suggestions.
    Get'em tough get'em boosted. Start Boosting at a Young Age.
    Tags: None
    #2
    The H23 head and the F22 head have the exact smae size(50cc) combustion chambers. Unless you plan on putting it back together without a headgasket then it will be the same.
    My Members' Ride Thread - It's a marathon build, not a sprint. But keep me honest on the update frequency!

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      #3
      i will be putting it together with a F23 head gasket as recomended in a thread that i think "WiCkEd" created. it is actually a very good guide to being able to do the swap. But i am still under the impression that it will have a higher compression possible because of valve springs(i may be wrong, remember that i am still learning about the honda motors).
      Get'em tough get'em boosted. Start Boosting at a Young Age.

      Comment

        #4
        Originally posted by CB7Perfection
        i will be putting it together with a F23 head gasket as recomended in a thread that i think "WiCkEd" created. it is actually a very good guide to being able to do the swap. But i am still under the impression that it will have a higher compression possible because of valve springs(i may be wrong, remember that i am still learning about the honda motors).
        Well first off, its "Wikked". Second he made a whole step by step guide with all the parts required. The head is a major component, you need other miscellaneous parts. I suggest getting it ported for maximum satisfaction.

        Comment

          #5
          ah i see as i am learning more about this head. but what about boosting has anyone else boosted with this type of motor setup. and exactly how am i suppose to tune an ecu for this. the set is just weird(in a good way), i will have a non-honda accord ecu, and honda accord block, and a prelude head. how can you possibly develop a basemap of that? and the h23 is not a vtec, right?
          Get'em tough get'em boosted. Start Boosting at a Young Age.

          Comment

            #6
            my f22b is boosted, which is basically the f22/h23 hybrid. What ecu do you have? you only need a p06/p05/pr4 or something of that sort
            Shift_BOOST

            BOOM!

            Comment

              #7
              Yea, ur plans are nothing more than a fancy f22b. I've already got a map for that...easy
              Knowledge is power...in EVERY sense of the word

              FSAE (F Series Accord Enthusiasts) ..."A dying breed thats taking it to the next level" #12

              Comment

                #8
                lol. it sounds like you'r trying to take too much in at once. slow down and rest for a while. these things need not be rushed.

                you should read mrx's stickies in the performance tech section to know more about tuning and ecu's.

                anyways, you will have the same compression, so you have nothing to worry about.
                Last edited by d112crzy; 05-16-2006, 04:57 PM.

                CrzyTuning now offering port services

                Comment

                  #9
                  D112crzy, explain something to me. If his F22 has 8.8:1 compression pistons with a 50cc combustion chamber on that, how will his compression rise .4 if he puts another head on that has 50cc combustion chambers on it as well?
                  My Members' Ride Thread - It's a marathon build, not a sprint. But keep me honest on the update frequency!

                  Comment

                    #10
                    o shit, my bad. I was typing too fast. I was thinking of the f22b head. the f22b head has less cc's.

                    *post edited.

                    thanks Jarrett
                    Last edited by d112crzy; 05-16-2006, 04:58 PM.

                    CrzyTuning now offering port services

                    Comment

                      #11
                      very informative thankyou all , for the help. i will be putting this in some serious thought for the next couple of days
                      Get'em tough get'em boosted. Start Boosting at a Young Age.

                      Comment

                        #12
                        Originally posted by Jarrett
                        D112crzy, explain something to me. If his F22 has 8.8:1 compression pistons with a 50cc combustion chamber on that, how will his compression rise .4 if he puts another head on that has 50cc combustion chambers on it as well?
                        I was under the impression that the f22b had a compression of 9.0-9.2 considering it has domed pistons
                        Shift_BOOST

                        BOOM!

                        Comment

                          #13
                          Originally posted by 92ex
                          I was under the impression that the f22b had a compression of 9.0-9.2 considering it has domed pistons

                          I don't get it. Are you contradicting me? Yes, you're right. The F22B also has a 50cc combustion chamber. The compression is higher only because of the pistons.
                          My Members' Ride Thread - It's a marathon build, not a sprint. But keep me honest on the update frequency!

                          Comment

                            #14
                            actually, the F22B dohc head cc is 47.2CC. the cylinder cc is the same, just not the head.

                            CrzyTuning now offering port services

                            Comment

                              #15
                              I thought that doing this head swap was going to raise the compression a little bit because of deck height??? i could be wrong.
                              my .02 im sure the swap will be fine for boost as long as you do everything correctly and dont cut corners. then once your done dont get boost happy.

                              Comment

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