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Will F22a6 run properly & efficiently with P39 ECU (JDM f22b VTEC)? Pics inside

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    #1

    Will F22a6 run properly & efficiently with P39 ECU (JDM f22b VTEC)? Pics inside

    The shop has half front of a Japan import 1991 Ex Accord with JDM f22a (no number after the a), I have the p39 ecu in my car, was paired with JDM H23a but it was damaged.
    If I get the original ECU that came with the chassis and engine, it'll cost much more, do I need it? Or is the p39 fine from performance and perserving engine health perspective , also from gas mileage perspective.

    Another thing the car is rhd and mine is lhd, can i transfer the airbag system and cruise control system? (the half car is complete with bumpers, steering wheel and column and everything)

    P39, will it work with f22a6?

    New engine 60k miles

    Old engine rod knocking

    New

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    Tags: None
    #2
    It might run but I doubt it will run well. There are many differences between the two engines, the biggest that the H23 is twin-cam and vtec, while the F22 is single cam and non-vtec. If you want an easy boost of power find a computer from a Prelude with the f22a1 engine. Or just find a computer from a similar accord.
    ==========================
    1991 Accord Lemons Race Car, "The Minnow" RIP
    1993 Accord Lemons Race Car, "SpaceEx Starship"
    Neuspeed Race Springs, Koni Sports, Acura CL Rear Sway Bar,
    Adj Upper Control Arms -3.0deg front, -2.0 deg rear
    M2A4 Trans, Cusco 1-way Limited Slip Differential, Stage 2 Clutch and 11lb flywheel. A4 Header, 2" exhaust all the way back, catalyst delete, delta 262 grind, glasspack muffler, PT6 ECU.
    Acura CL3.0 Brakes Front and Rear, Raybestos St43 Pads, Redline 600 Brake Fluid

    Comment

      #3
      h23a isnt vtec. You could simply go to a junkyard and pull a ecu. Or I might have my old pt3 ecu if you are interested. Is your car auto or manual?
      ~Nick~
      FSAE (F Series Accord Enthusiasts) ..."A dying breed thats taking it to the next level" Lucky #13
      MR Thread:http://www.cb7tuner.com/vbb/showthre...ight=Grumpys93

      Comment

        #4
        P39 is actually the F22B DOHC ECU, to my knowledge. Very similar to the H23A1 (most people have used the H23A1’s P14 ECU to run the F22B… it seems your setup is the opposite.)

        The F22A will run well enough on the P39. The ECU doesn’t know or care how many camshafts you have.
        It will not be 100% correct, however. The JDM F22A is probably equivalent to the USDM F22A6, so you’d want a PT6 to run it properly.

        i wouldn’t mess with the airbag system. Cruise control would probably transfer over just fine.






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