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Modding the A340LE transmission

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    #61
    Did your MA have the separate trans computer?
    This is a post i wrote by mistake, which is nice...

    Comment

      #62
      Ring MV autos in Adelaide and order a shift box for $195.

      Then read this

      http://toymods.net/forums/showthread...ht=autos+shift

      Then whack it in

      Done.
      state street drift champion 2003

      Formerly known as bassaholic55

      Comment

        #63
        Or you can buy a tiptronic controller for $290.
        Never argue with an idiot. They will bring you down to their level and beat you with experience.

        Comment

          #64
          Wouldn't it be piss easy to make your own controler once you know which solenoids do what?
          10.83 @ 125

          Quickest stock exhaust manifold stud 2JZ in Aus.

          Originally posted by cracka
          Some conclusions empirically were that a large protruding ridge like a prolapsed arsehole around the runner was largely beneficial.

          Comment

            #65
            what is tiptronic?

            The one I have is fully manualised. Just change the gear shifter and gear changes. Is tiptronic different to that?

            Dennis: probably if you knew a bit about electronics.

            You basically just need an input signal and it will either have to switch A, A&B or just B. I am sure for electronically minded people it would be easy but certainly not for me!
            state street drift champion 2003

            Formerly known as bassaholic55

            Comment

              #66
              Originally posted by 2JZR31
              Wouldn't it be piss easy to make your own controler once you know which solenoids do what?
              Not if you don't know how to program microcontrollers, or have the facilities to do so.

              Bass
              Tiptronic is where you push a button to change gears. ie press the up change button to go up a gear or push the down button to go down a gear.
              Never argue with an idiot. They will bring you down to their level and beat you with experience.

              Comment

                #67
                Originally posted by bassaholic55
                what is tiptronic?

                The one I have is fully manualised. Just change the gear shifter and gear changes. Is tiptronic different to that?
                yeah like paddles or push buttons on the wheel

                manualised I gather means it doesn't shift by itself any more or more correctly, you gain manual but you chosen to give up auto shifting?

                I reckon the market for tiptronic would be pretty limited amongst enthusiasts given there are only 4 gears and it's a bit of a wank anyway on factory systems
                Originally posted by boxxx

                Deutsche Bahn Rail: Trains are a great way to get lots of people concentrated into a small area, like a camp.
                ACA/TT: Where's the line between a car enthusiast and hoon? There is none

                Comment

                  #68
                  Originally posted by AzzA351
                  hey just wondering what you guys think i should do i just got a 30-40LE auto trans for my 1jz-gte into ma61 supra, the 1jz waz from a manual jza70 frontcut so has the manual ecu (didnt come with box) how and what would i do to get the auto running-working....my ma61 was auto.
                  Your best option is to swap the ECU for an auto one. I'm sure there are plenty of 1JZ owners doing a manual conversion who would be happy to swap.

                  Better yet, get an R154 and forget this whole auto nonsense.
                  Norbie!

                  Comment

                    #69
                    Originally posted by KDog
                    S1 - shift solenoid
                    S2 - shift solenoid
                    SLN - accumulator pressure solenoid
                    SLU - Torque Lockup solenoid (found on 1uzfe trans etc)
                    SLT - the line pressure solenoid.

                    You can leave the SLN solenoid disconnected. It will give quicker shifts.
                    Leaving SLT disconnected may provide both firmer/faster shifts, i have never fiddled with one to find out.

                    The 2jzge should have the S1, S2 and SLU (not SLN) doesn't it?
                    I just tried this today. You seem to be correct in the what solenoids do. Earlier in the thread some of us were not sure this was correct because the other diagrams for boxes with less solenoids had a SLN which could only have been for the converter. Seems Toyota has no consistency there!

                    I chopped the SLU, and the converter no longer hooked up.

                    I chopped the SLN (accumulator I think), I didn't really notice much.

                    I chopped the SLT and the shifts got much quicker and firmer at partial throttle. But I believe a full throttle its no different, which is where it counts. Its conceivable that at full throttle the ECU maxes these pressures out anyway?

                    I was going to make a controller to manipulate the solenoids, but I doubt its going to be better. Reason being that with a chopped wire, the duty cycle would be 0%. And no controller can give less than that! (assuming 0% duty cycle gives the firmest and fastest shifts, which chopping the wires seems to have shown.

                    Comments?
                    10.83 @ 125

                    Quickest stock exhaust manifold stud 2JZ in Aus.

                    Originally posted by cracka
                    Some conclusions empirically were that a large protruding ridge like a prolapsed arsehole around the runner was largely beneficial.

                    Comment

                      #70
                      Makes sense to me. So you are saying that the ecu would have already operated those solenoids to the best of their ability and it cannot be improved upon using the device you were planning on using.
                      state street drift champion 2003

                      Formerly known as bassaholic55

                      Comment

                        #71
                        Originally posted by bassaholic55
                        Makes sense to me. So you are saying that the ecu would have already operated those solenoids to the best of their ability and it cannot be improved upon using the device you were planning on using.
                        Yep, thats what I am saying.
                        10.83 @ 125

                        Quickest stock exhaust manifold stud 2JZ in Aus.

                        Originally posted by cracka
                        Some conclusions empirically were that a large protruding ridge like a prolapsed arsehole around the runner was largely beneficial.

                        Comment

                          #72
                          I need to figure out how to gain line pressure damn it!
                          10.83 @ 125

                          Quickest stock exhaust manifold stud 2JZ in Aus.

                          Originally posted by cracka
                          Some conclusions empirically were that a large protruding ridge like a prolapsed arsehole around the runner was largely beneficial.

                          Comment

                            #73
                            Shim the pump relief spring.

                            How to do that is up to you :D

                            Comment

                              #74
                              Change the spring in the line pressure regulator (or shim it up) - which is what a stage 1 shift kit does.
                              Next stage is to modify the valve body holes.
                              Never argue with an idiot. They will bring you down to their level and beat you with experience.

                              Comment

                                #75
                                Do you know which one the line pressure reg is? I posted shitloads of pics in the first post in this thread of the valve body. Can anyone identify it?. I would like to know which solenoids are which.
                                10.83 @ 125

                                Quickest stock exhaust manifold stud 2JZ in Aus.

                                Originally posted by cracka
                                Some conclusions empirically were that a large protruding ridge like a prolapsed arsehole around the runner was largely beneficial.

                                Comment

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