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BOLT ON: OEM H23 opinions

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    #16
    In order to do it exactly that way you would need the H23A VTEC crankshaft which has 55mm mains. Good luck there.
    My Members' Ride Thread - It's a marathon build, not a sprint. But keep me honest on the update frequency!

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      #17
      Originally posted by Jarrett View Post
      In order to do it exactly that way you would need the H23A VTEC crankshaft which has 55mm mains. Good luck there.
      Just to further muddy the water on this thread... What is the difference between the H32A1 and JDM H23A VTEC cranks? I thought they were all 55mm and threw the same stroke? I apologize if this is mentioned in the frank thread. Are they weighted differently?

      EDIT:
      NVM found the info I was thinking about here: http://www.roskoracing.com/H23Vtec.html
      The USDM H23A1 has a 50mm crank.
      Last edited by wildBill83; 12-04-2012, 01:12 PM.

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        #18
        Originally posted by 8ball View Post

        Oh And I am trying to stay out of the engine. I Decided that Ill be using the F23A1 block (fresh timing seals gaskets) (*stock pistons*) with a F22A head that's been serviced for maintenance only ie servicing worn items in valvetrain milling and some port matching/cleaning (no special shit) Not even a cam. (no need no high compression pistons)

        I expect the combo to give me like 130whp to the wheels.

        The only mention of an h23 was for a Logic Motorsports header he is having made to fit an h23 flange, you have a bb6 intake manifold on a f22a head? The way I understand it is that isn't a match without an adapter plate. Also I don't believe there is anyway to reach 130whp without a tune, a stock p12 might net 140 crank hp not really sure if this combo would give anymore hp but certainly wouldn't with a stock tune. Just my 2 cents
        My work in progress!

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          #19
          I think he means intake tube.
          My Members' Ride Thread - It's a marathon build, not a sprint. But keep me honest on the update frequency!

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            #20
            A P12 ECU is no good with any IAB equipped intake manifold.






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              #21
              I dont think theres anything to do with the H23A1 + OEM parts besides mill the head and maybe bore out the stock TB and do some port work


              Originally posted by lordoja
              im with you on that one bro! aint nothing beat free food and drinks any day of the week, even if its at a funeral

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                #22
                Originally posted by 1990exr View Post
                The only mention of an h23 was for a Logic Motorsports header he is having made to fit an h23 flange, you have a bb6 intake manifold on a f22a head? The way I understand it is that isn't a match without an adapter plate. Also I don't believe there is anyway to reach 130whp without a tune, a stock p12 might net 140 crank hp not really sure if this combo would give anymore hp but certainly wouldn't with a stock tune. Just my 2 cents
                Hey sorry I left this thread go with out monitoring it.

                Look guys I have a H23a intake manifold. complete. I want to clean it up a bit before it gets installed. I know black trax guts them out. I figure why not if skunk2 (and smiliar type for h22) doesn't use IAB why would I ?

                Im willing to drop some coin on mods but nothing jaw dropping. Like a aftermarkt h22 manifold with a H to F intake manifold adapter or nothing like that.

                And I already have lighter wheels and suspension done. I roll with out a back seat it helps but not really lol.

                So as far as the BB6 intake its just the intake tube nothing else just the tube. I wanted to get a trilogic and weld the h23a flange on it. Might still do it depends on what a CNC/CAD machinist I know says about it.

                Comment

                  #23
                  Blacktrax doesn't gut the IAB. They provide a proper functional spacer. The IAB is still a very useful feature, providing low-end power AND high end power. It's like a smaller version of VTEC.

                  The manifolds that don't use the IAB are designed that way... and they're designed for high-revving engines.






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                    #24
                    Thanks deeve, I think they do offer a gutted H23 option. Well offered. Its discontinued. http://www.blacktrax.net/products/In..._Manifold.html

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