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ecu question

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    #1

    ecu question

    Aloha CB7 tuners,
    just finished a f22a build, its got a a6 motor w/ a4 trans. just wondering what is the best ecu to use for this setup. keep the a4 ecu, change to the a6 one or just get a p12 from a prelude? everythings pretty much stock.
    Tags: None
    #2
    I'm not too sure, but I'd keep the A4 ecu (should be the same as the A6). To open the secondary runners in the A6 intake manifold, get an IAB black box from any A6-equipped accord.
    Original-Owner 1991 Honda Accord
    2005 Acura TSX 6MT
    2010 Mazda Miata Grand Touring

    Comment

      #3
      Originally posted by Nurega View Post
      I'm not too sure, but I'd keep the A4 ecu (should be the same as the A6). To open the secondary runners in the A6 intake manifold, get an IAB black box from any A6-equipped accord.
      I second that!!! real shit i have a IAB black box that will function right with thoses secondarys! But post more to get that box from me

      Comment

        #4
        Since you have an a6, you want the pt6 ecu to control the butterfly's via the "black box", it also is tuned better to match the different intake and more aggressive camshaft compared to the a1/a4 camshaft and intake manifold.
        PT3/6 Development Thread | My 1991 LX Coupe | DIY: 90-93 Tcu Fix

        Comment

          #5
          Originally posted by projeck View Post
          Aloha CB7 tuners,
          just finished a f22a build, its got a a6 motor w/ a4 trans. just wondering what is the best ecu to use for this setup. keep the a4 ecu, change to the a6 one or just get a p12 from a prelude? everythings pretty much stock.
          Build? How is it a build if it's a stock motor? Use the PT6 from the F22A6, as it is programmed properly for the F22A6 intake manifold with IAB, F22A6 cam, F22A6 exhaust manifold, etc... The P12 and PT3 are made for the F22A1 (and F22A4, which is identical to the F22A1 in all ways except the exhaust manifold)

          Originally posted by Nurega View Post
          I'm not too sure, but I'd keep the A4 ecu (should be the same as the A6). To open the secondary runners in the A6 intake manifold, get an IAB black box from any A6-equipped accord.
          Absolutely wrong. Please stop spreading misinformation. The F22A4 is run by the same ECU as the F22A1. The PT3. The F22A6 is the only US model F22A with a different ECU, due to the camshaft and intake manifold.

          Originally posted by B20F22A1 View Post
          I second that!!! real shit i have a IAB black box that will function right with thoses secondarys! But post more to get that box from me
          You're banned for a week for attempting to sell something in this section.

          Originally posted by cloudasc View Post
          Since you have an a6, you want the pt6 ecu to control the butterfly's via the "black box", it also is tuned better to match the different intake and more aggressive camshaft compared to the a1/a4 camshaft and intake manifold.
          THANK YOU.






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            #6
            thanks for all the tips. yeah it wasnt a major build just got machine work done on the head and block
            got another question. the trans has the "S" button, will the pt6 be compatible with the a4 trans? this is an auto btw

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              #7
              The transmission is controlled by the TCU.






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