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Recalibrating my speedo

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by xnoahx, Aug 30, 2001.

  1. xnoahx

    xnoahx 1/2 ton status

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    Ventura, CA 93004
    Im sick and tired of my speedo and odometer not reading true. what do i need to do to fix it? The only thing that has changed is the tire size. i now have 36" from whatever the stock size was.

    Check out my 73 K5 <a target="_blank" href=http://members.theglobe.com/xnoahx/73k5.htm>http://members.theglobe.com/xnoahx/73k5.htm</a>
     
  2. Michael

    Michael 1/2 ton status

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    You can get a new drive grear that goes on the tranny(from GM) or have a speedo shop make you a converter...$65 for one in the Dallas area.

    Michael[​IMG]
    <a target="_blank" href=http://www.jmartin.net/parker/goose.htm>www.jmartin.net/parker/goose.htm</a>
     
  3. dyeager535

    dyeager535 1 ton status Premium Member

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    GM made adapters too, go look on TH350's and NP205's in teh wrecking yards, you may find some. Maybe they will work for you, maybe not.

    Dorian
    My tech/links page: <a target="_blank" href=http://www.dorianyeager.com/index2.html>http://www.dorianyeager.com/index2.html</a>
    No anti-theft measures on your truck? No pity when its stolen
     
  4. CV202

    CV202 1/2 ton status

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    Any ideas on a 1990. the speedo is fed by a sensor in the t-case. I think Superlift made some sort of adapter, but anybody else??

    Why do people keep calling it a Bronco!!!!! [​IMG]
     
  5. Michael

    Michael 1/2 ton status

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    You might try these guys....they seem to do it all....
    www.jmartin.net/parker/goose.htm
     
  6. pcorssmit

    pcorssmit 1/2 ton status

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    Don't know if the '90s are this way or not, but the electronic speedo sender in the t-case on my Dodge is gear driven, you can swap gears just like an older truck.

    Pete

    '83 K5, 350 TBI (ex 6.2), 700R4, NP208, Dana 60/14 bolt, 4.56s, Detroits, 3" lift, 15-39.5x15 TSLs
    '97 Dodge 2500 4x4 CC LB Sport, Cummins 5 spd
     

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