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Thread: how to manual shift a340 for under $10

  1. #16
    Junior Member Carport Converter Z2TT's Avatar
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    Default Re: how to manual shift a340 for under $10

    Well most MK3 Supras, z30 soarers had the paddle for the cruise control so no need to put another wheel on.

  2. #17
    Junior Member Domestic Engineer Hurricane's Avatar
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    Default Re: how to manual shift a340 for under $10

    nice info, im goin to have to try this out
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  3. #18
    Cressidaspert Carport Converter andrew_mx83's Avatar
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    Default Re: how to manual shift a340 for under $10

    subscribed cos i can never find this thread when i need it
    There is no substitute for PUBIC inches

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  4. #19
    Junior Member Grease Monkey
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    Default Re: how to manual shift a340 for under $10

    confirmend that this will work on jza80 with TPS controlled line pressure, when the power is disconnected from gearbox it runs full line pressure, and you can just wire up the same as this thread

  5. #20
    Forum Member 1st year Apprentice
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    Default Re: how to manual shift a340 for under $10

    Hi All,
    I'm running A340e from aristo & plan to manual shift with Haltech PS2000 for engine. With the above diagram can we get full line presure?.
    If yes, I plan to control the presure reduction solenoid via haltech with PWM output.

  6. #21
    Junior Member Automotive Encyclopaedia 2jzhilux's Avatar
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    Default Re: how to manual shift a340 for under $10

    Sorry for the thread dig but I need to sort this out for my trans in my jzx100.
    I currently have what I have been told is a spragless mv autos a340 out of a jzx90.
    I need to shift the box without the factory ecu because the loom is no longer in the car, I am running a ps2000 and need something for the auto, I'm also running a hurst promatic shifter and mv brackets

  7. #22
    Junior Member Automotive Encyclopaedia
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    Default Re: how to manual shift a340 for under $10

    u just need power to sol a when in low
    power to sol a and b when in second
    and power to sol b when in drive
    then turn power off to get overdrive

    can be done for under 2 bucks if your tight as I try to use relays to do the triggering which costs abit more
    u need to use the Toyota inhibitor wiring and 2 diodes
    lock converter will not work and the line pressure will not work if your box has one

    without the trans harness makes it abit harder as u have nothing to go by
    I normally ask for the shift solenoid connector and the inhibitor connecter when I make these for people

  8. #23
    Junior Member Automotive Encyclopaedia 2jzhilux's Avatar
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    Default Re: how to manual shift a340 for under $10

    I have the connectors and a little pigtail of wiring but that's all
    If I hook all these from the neutral start switch it should be fine?
    Is there any advantages to using a relay to do the triggering as opposed to not using one.
    I have an mv shift box should I just use that? Only thing is I have heard of heaps of problems with these.
    The box has a kick down cable so it is a three solenoid box.

  9. #24
    Junior Member Automotive Encyclopaedia
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    Default Re: how to manual shift a340 for under $10

    the mv boxes get feedback when they are used in cars that have gear position indicators in the dash
    if u have it maybe use it
    but its so easy to make one I never need to buy the mv box that's couple hundred bucks

    just find what the wires do that u have and hook them up without relays as its easier to understand
    if u havnt made one before

    the 3rd solenoid is the lockup converter so leave that off or u could hook it up to a switch
    but u need to remember to turn it off most of the time so I just leave it off because most customers
    will probably forget to turn it off and then burn out the converter

  10. #25
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    Default Re: how to manual shift a340 for under $10

    Sorry to dig but anyone have the pictures that no longer work?

  11. #26
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    Default Re: how to manual shift a340 for under $10

    Quote Originally Posted by jchantrey View Post
    Sorry to dig but anyone have the pictures that no longer work?
    This may help
    https://imgur.com/a/SQlPG

  12. #27
    Forum Member 1st year Apprentice
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    Default Re: how to manual shift a340 for under $10

    Quote Originally Posted by dumbass View Post
    u just need power to sol a when in low
    power to sol a and b when in second
    and power to sol b when in drive
    then turn power off to get overdrive

    can be done for under 2 bucks if your tight as I try to use relays to do the triggering which costs abit more
    u need to use the Toyota inhibitor wiring and 2 diodes
    lock converter will not work and the line pressure will not work if your box has one

    without the trans harness makes it abit harder as u have nothing to go by
    I normally ask for the shift solenoid connector and the inhibitor connecter when I make these for people
    Dumbass I have a early 1uz and a340 (93 I believe) to go in my 1975 hilux.

    Would you be interested in making one of these up for me? I want it full manual with lockup. Iíll be using a b&m ratchet shifter with mv brackets. Is this possible?
    Cheers

  13. #28
    Forum Member 1st year Apprentice
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    Default Re: how to manual shift a340 for under $10

    Also, does this cause the shifts to be ultra firm all the time like a manual valve body?

  14. #29
    Junior Member Automotive Encyclopaedia
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    Default Re: how to manual shift a340 for under $10

    ive got a tip tronic kit for the old a340 boxes if u want to buy one of them

    manual shifting of these boxes wont firm up the shifts it will just make them a tiny bit faster
    u need to mod the springs in the valve body to get firmer shifts

  15. #30
    Forum Member 1st year Apprentice
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    Default Re: how to manual shift a340 for under $10

    Ahh ok mate cheers. Iíll go the mv full manual valve body.
    Thanks

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