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CD5 with an f22a?

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    #1

    CD5 with an f22a?

    Hello fello n00bs,
    I'll make this an intro/technical thread so we can get right down to business. I realize there is not a B next to the C in the title, not a mistake, my accord is a 94.



    So here is my predicament, I have a stock f22b1 with about 180k miles and I'm looking to put something a little more stout and fresh in the bay . I have a spare f22a(1?) out of a 4th gen prelude just sitting around. After disassembling and inspecting the block to ensure it's good to go, the way I see it I have 3 choices for my build: complete f22a, f22a block with f22b1 head, or run an H22 head for the g22.

    The f22bx seems to be the red headed stepchild of the f series (as far as head flow) so I'm wondering am I really giving that much up by losing teh vtak and going with a full f22a? Are there advantages to the f22b1 block? More questions to come.
    Tags: None
    #2
    I guess i should have clarify that the aforementioned f22b1 is stock, but i bolted a turbo on. AC/PS kept.

    3" from the turbo all the way back


    the f22a1 in it's natural habitat

    and the reason it is now mine

    the 13psi (video)
    Last edited by Andryzzle; 08-15-2011, 01:29 PM.

    Comment

      #3
      Don't do the "g22" (I despise that term... there IS a G series, and it's not a combination of the F and H...)

      The F22A head flows much better when modified than the F22B1 head could ever flow...
      However, depending on your power goals, the F22B1 head may be just fine.

      What year is the Prelude? It's illegal in most places (technically ALL places in the US... but many states don't care) to have an older engine in a newer car. Since it's a Prelude engine, and your car is a 94, it's possible that the F22A1 is not older, and therefore completely legal.

      There are no considerable differences in terms of performance between the F22A and F22Bx blocks. Though they aren't 100% identical, they are often regarded as interchangeable.


      I'm not a fan of mixing different heads and blocks... so I say if you're going to use the F22A block, use the F22A head. I see far too many "hybrids" explode, especially when done by people that aren't experienced in such things (but occasionally by people who are as well...)






      Comment

        #4
        Luckily it was a 95 so I'm in the clear there. My power goal is 350-400whp. With the current setup I'm probably in the ballpark of 300, but I'm putting my ring lands at risk. I tend to agree with you about mixing heads/blocks, I just wasn't sure about how much of a deal losing vtec would be. I'll Probably just do a rebuild on the f22a, forged pistons and rods, maybe a slight overbore, bisi cam, headstuds, etc and see what I can make on the stock sleeves. What is the general consensus around here on the h22 intake manifold adapter? I already have a gutted h22 intake manifold from my brother, but if it's not worth the $200 I may just try to junkyard shop for something else.

        Comment

          #5
          id check and see if the bores on the new motor are round and in spec, give it a light hone and drop forged internals in there. Ive never heard of a h22 intake manifold adapter, although a H23 IM will bolt right on, and its the same design as a H22...

          instagram @mikeymeyagi

          Comment

            #6
            Here's the adapter I mentioned.

            http://evoindusa.com/evoauto1/index....d2c1c4a882f8de

            If they are essentially the same, and if i can get an h23 manifold for less than the price of that, the adaptor wouldn't be worth it.

            LoDollar i've seen your videos online. Very nice. I'm sure you would disagree with the H head statements? Or has it been a headache?

            Comment

              #7
              Originally posted by Andryzzle View Post
              Here's the adapter I mentioned.

              http://evoindusa.com/evoauto1/index....d2c1c4a882f8de

              If they are essentially the same, and if i can get an h23 manifold for less than the price of that, the adaptor wouldn't be worth it.

              LoDollar i've seen your videos online. Very nice. I'm sure you would disagree with the H head statements? Or has it been a headache?

              mine has been very reliable, but all the other ones ive seen have had alot of problems. Mine has 88.5mm bores, vs stock f22 has 85mm bores. So the H head matches my bores perfectly.

              yes, h23 manifold is very similar, but im not positive its identical.

              instagram @mikeymeyagi

              Comment

                #8
                thats a sikkk CB7 next to your car in those pics!

                I am pretty sure you know my vote to keep the f22b, but if you got a spare
                f22a, use it!

                edited!
                Last edited by drummersteve7; 11-19-2010, 12:00 AM.
                MadLab Racing
                Southern Maryland

                Comment

                  #9
                  well that doesn't clear anything up, both of them are f22s lol

                  Comment

                    #10
                    I like the f22b, if you got a spare f22a boost it!
                    MadLab Racing
                    Southern Maryland

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                      #11
                      i was seeing a diy on it and i want to no is there any gains for this swap. is it a bolt on the diy said it was ....

                      Comment

                        #12
                        which swap are you talking about?

                        Comment

                          #13
                          Originally posted by Andryzzle View Post
                          which swap are you talking about?
                          He's an idiot... he has no idea what he's talking about, and is completely incapable of expressing a coherent thought. Ignore him.

                          Comment

                            #14
                            No updates other than i've graduated from Georgia Tech and have been acquiring the funds to begin my build.

                            Does anyone know the differences between the h22 rod dsm piston setup and Bisimoto's combo with "improved Rod/Stroke Ratio"? The h22 rod/dsm piston setup has documented measurements, but I'm wondering if Bisi has released any specs onto the board about his.

                            http://bisimoto.com/store/index.php?...roducts_id=311

                            Comment

                              #15
                              To me, VTEC is overrated. Boost the F22a.

                              We're in the studio, stay tuned.----------(click)-------->

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