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Speedo Gear Swap Issue (Help)

Discussion in 'Technical Chat' started by wksos, Mar 15, 2012.

  1. Mar 15, 2012 at 7:04 PM
    #1
    wksos

    wksos [OP] Well-Known Member

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    Austin
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    So I saw a thread on TTora about swapping the trans speedometer gear to fix incorrect readings. The FAQ said that my stock gear was most likely a 30 tooth gear and that I should install a 28 tooth to compensate.

    Well I removed my gear and it was totally different than the new one. It only had 17 teeth and I'm a little confused. Has anyone had any experience with this? Any insight would be greatly appreciated.

    [​IMG]

    [​IMG]

    Here is a link to the original thread.
    http://ttora.com/wiki/index.php/Speedometer_error

    And pics to show the difference:

    http://www.norcalttora.com/~chris/misc/speedo drive gear/photos/photo_4.html
     
  2. Mar 22, 2012 at 4:27 PM
    #2
    wksos

    wksos [OP] Well-Known Member

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    If anyone cares this mod was done on a 4x4 so I am assuming it will not work for prerunners :(
     
  3. Dec 26, 2013 at 7:36 AM
    #3
    smmarine

    smmarine Well-Known Member

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    Melbourne FL
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    Harrop Eaton front elocker, Detroit Truetrac rear, 85/80 watt headlight upgrade
    Did you ever figure this out? I put 31s on my prerunner and it came with 225s so now my speedo/odo is off, but nobody seems to know the gears for a prerunner. All I can find is the 4x4 ones, which are 28 thru 33 i think. The prerunners are 16-20. And there are 4 different 17 teeth gears!
     
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