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Thread: Speedo Devices: electronic to mechanical and more

  1. #1
    Olde mechanic Carport Converter oldeskewltoy's Avatar
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    Lightbulb Speedo Devices: electronic to mechanical and more

    Some of you remember my on going AZ6 swap (still trying to get the bellhousing adapter made). One of the problems was going to be how to run the AE86 mechanical speedo from an electronic pulse based speedo drive in the AZ6. Well, while doing some leg work today I found

    Quote Originally Posted by Abbott Enterprises
    CableX is the easy, cost-efficient way to operate your stock mechanical speedometer with a transmission equipped with vehicle speed sensor. The Cable X is basically an universal adapter that will pick up the electronic speedometer signal and will operate the cable driven speedometer to the corresponding speed. It's a snap to install with only three wires - hot, ground and signal. No costly installation of drive gears or long messy cables to deal with.
    http://www.atrol.com/cablex.htm - $310.00 (US)



    Now they also have another interesting little bit of technology... they call it the ERA
    Quote Originally Posted by Abbott Enterprises
    Any change in a vehicle's tire size or rear axle ratio will cause the speedometer (and odometer) reading to be inaccurate. The Electronic Ratio Adapter (ERA) is designed to correct this problem. It receives the current speedometer signal from the vehicle speed sensor and
    sends the correct speed signal to the speedometer. The ERA installation is
    a snap with only four wires (input, output, hot, ground). Set the dip switches following the Abbott Calibration Table and your ready to go. The ERA has one of the widest pulse ranges available.
    http://www.atrol.com/era.htm

    For contact info - http://www.atrol.com/contact_us.htm - Tell them, "Dan the guy trying to mate a Miata trans and a rwd Corolla", told you about them........
    Last edited by oldeskewltoy; 27-11-2007 at 10:25 AM.
    Information is POWER... learn the facts!!

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    Toymods Pimp Chief Engine Builder Norbie's Avatar
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    Default Re: Speedo Devices: electronic to mechanical and more

    US$310 will buy you a pretty decent aftermarket electronic speedo. I'm in the same boat with my MA61 and decided this was the best option; I'm planning to modify the instrument cluster to fit a 5" Autometer gauge.

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    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: Speedo Devices: electronic to mechanical and more

    That 2nd box you can get from Jaycar, DIY kit, about $45 from memory.

    Does +/- 100% adjustment of the original signal.

    The first box is pretty interesting, but not really cheap.
    I'd personally either do what Norbie is doing, or transplant a different dash into your car.
    I have a UZZ30 Soarer dash in mine.
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

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    Altia ER34 GTT Domestic Engineer JetspeedCamry's Avatar
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    Default Re: Speedo Devices: electronic to mechanical and more

    Made this for my transmission conversion. Didn't want to use an awkward looking aftermarket speedo to do the job ... so converted the E153's VSS to mechanical using parts from the A540E's mechanical setup...


    Modded E153 on the right, A540E on the left.


    Cost all of...10c?
    Kind Regards,
    Kurt.

    1998 ER34 ニッサン スカイラインGT- T
    RB25DET 5 Speed Manual | Blitz SE Return Flow FMIC | Greddy Profec II Spec B BC | Apexi N1 Turbo Back Exhaust

  5. #5
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: Speedo Devices: electronic to mechanical and more

    Thats mechanical to electrical.

    The thread is about electrical to mechanical.
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

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    Altia ER34 GTT Domestic Engineer JetspeedCamry's Avatar
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    Default Re: Speedo Devices: electronic to mechanical and more

    Oh oops..My bad (it did say and more though hehe)
    Kind Regards,
    Kurt.

    1998 ER34 ニッサン スカイラインGT- T
    RB25DET 5 Speed Manual | Blitz SE Return Flow FMIC | Greddy Profec II Spec B BC | Apexi N1 Turbo Back Exhaust

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    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: Speedo Devices: electronic to mechanical and more

    Don't matter.
    No doubt someone with the issue you had will see the picture and find it helpful
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

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    DIY Bloodline Domestic Engineer Talasas's Avatar
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    Default Re: Speedo Devices: electronic to mechanical and more

    For the record you can adapt mechanical drives to electronic speedos using a pulse generator. Dakota Digital in the US sell them for example:

    http://www.dakotadigital.com/index.c...rod/prd109.htm
    "In the beginning, the universe was created. This has made a lot of people angry and has widely been regarded as a bad move." -HHGG

  9. #9
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: Speedo Devices: electronic to mechanical and more

    You can also get them from a variety of late 80's, early 90's Toyota's (UZS131 Crown, MX83 Cressida, just to name a couple).

    Or you can buy them new for about $100odd for an aftermarket brand.

    Most Toyota's and Nissan's have 4 pulse/rev output, with a few having 20 pulse/rev.
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

  10. #10
    User Conversion King
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    Default Re: Speedo Devices: electronic to mechanical and more

    you can get a VDO 300km/h speedo for just over $200

    here is mine

    http://img521.imageshack.us/my.php?image=gaugesad4.jpg
    hello

  11. #11
    Junior Member Grease Monkey
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    Default Re: Speedo Devices: electronic to mechanical and more

    Does the mx5 az6 output shaft look like this?



    I'm facing this same issue with a S15 gearbox. I brought an a Is200 worm drive which fits over the top but has a keyway, so nothing to spin the drive. Was thinking of welding it on or some way around fitting it...

    Other options I've found are to run a sensor/pickup (e.g. toothed wheel or magnetics - and a VR sensor or hall effect - whatever interfaces to better to your tacho) combo somewhere - maybe even an adapt an abs sensor for the front wheel.

  12. #12
    Olde mechanic Carport Converter oldeskewltoy's Avatar
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    Default Re: Speedo Devices: electronic to mechanical and more

    Quote Originally Posted by thanhngo

    Other options I've found are to run a sensor/pickup (e.g. toothed wheel or magnetics - and a VR sensor or hall effect - whatever interfaces to better to your tacho) combo somewhere - maybe even an adapt an abs sensor for the front wheel.
    Rob at Pineapple Racing told me that is the way the RX8 speedo works, it takes the pulses from an ABS sensor. He has an RX8 drivetrain swapped into an older rotary truck, and he has been trying to find a speedo for a few years.


    The ERA isn't such a big deal... as it was pointed out already there are similar devices. The "CableX" is unique for it makes possible MANY new options for people who are restoring, or more accurately updating older cars. Some people like to upgrade the dash... others don't. Imagine a hot rod(39 Willys for example) you like the old curved speedo, but you want to run new drivetrain... the cableX will accomplish the task.
    Information is POWER... learn the facts!!

  13. #13
    Forum Member 1st year Apprentice
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    Default Re: Speedo Devices: electronic to mechanical and more

    I had same prob as thanhngo, fixed it with dollop of mig weld then file to shape for neat
    fit and red loctite in groove and around shaft. works good. grind off and re weld if box
    ever needs disassembly. easy eh?

  14. #14
    Forum Member 1st year Apprentice
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    Default Re: Speedo Devices: electronic to mechanical and more

    should add altezza shaft is the one to use also mig 3rd gear to lay shaft to prevent box
    destruction when original circlip pops out.
    Last edited by 3sgem; 29-11-2007 at 03:56 PM.

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    Junior Member Grease Monkey
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    Default Re: Speedo Devices: electronic to mechanical and more

    Been bugging Wilbo and possible got a solution to the S15 speedo problem requires drilling 2 tiny holes and thats it and 2 parts. Let me confirm it will work first and I shoot over some part numbers.

    Yeah i heard about the circlip on 3rd...is it hard to pull the box apart? I'm afraid i would do damage. special tools? manual makes it look kinda tuff.

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