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gear swap

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by DaveK5, Feb 22, 2002.

  1. DaveK5

    DaveK5 Registered Member

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    This spring im going to install a 4" lift and run 35's. My question is how much is it going to cost me to have new gears installed or is it very difficult to do yourself. Im pretty good with working on my blazer but I have never attemped to gear swap. Any help would be apreciated.

    Thanks,
    Dave
     
  2. Burt4x4

    Burt4x4 3/4 ton status

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    Location:
    California (Modesto area)
    Do a search for the word Greenhorn. I did my own gear swap and learnd how to doit most here on CK5!![​IMG]
    the cost of labor can run from 500 to 1500, that's just labor!!
    So far my gears are doin GREAT!! There are suddel differences in each axel but all and all you should beable to do it with a shop press,bearing puller,micromiter,dial indacator,Big Fn hammer,pry bar or two and the usual set of tools and a torque wrench.......
    Oh it took me almost 4weeks to complete but I also did a complete rebuild of my front end so......
    Good Luck


    72K5[​IMG]Led Zeppelin[​IMG]Rock ON![​IMG]
    <a target="_blank" href=http://coloradok5.com/gallery/Burt4x4>http://coloradok5.com/gallery/Burt4x4</a>
     
  3. ftn96

    ftn96 1/2 ton status

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    Its not "hard" per say, but mostly time consuming and technical. And requires special tools. Dial indicator w/ magnetic base, Good strong impact, foot lb torque wrench up to around 200 foot lbs, and a good small inch lb wrench for setting up the pinion bearing pre-load. Some say you can use a fish scale. the ones you get at a bait and tackle shop.
    And some good documentation and some good reading comprehension skills.

    Its the popping, rumbling, roaring, twisting, flexing, grinding, so you can wheel anywhere medicine[​IMG]
     
  4. ftn96

    ftn96 1/2 ton status

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    Also, if you pay someone your looking at ball park $300 for labor on the front and around $200 for the rear. Parts will run you about $160 for the gears, and about $99 for the "complete" install kit.

    Its the popping, rumbling, roaring, twisting, flexing, grinding, so you can wheel anywhere medicine[​IMG]
     
  5. txbartman

    txbartman 1/2 ton status

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    Do the search for Greenhorn, as recommended. There is also a lot of documentation at <a target="_blank" href=http://www.ring-pinion.com>Randy's Ring &amp; Pinion</a>. Don't misunderstand. It is a MAJOR mechanical undertaking. But, if you spend the money for the right tools and have patience and do your reading in preparation, you can do it yourself. I had never done anything like it, prepped as I stated, and did my front and rear gears myself. Took me 1 day each. It is nice to know now that I can. It's also a pretty good sense of accomplishment to know that you can do something most others would never even attempt. But you HAVE to do your homework and you HAVE to take your time and do it right.

    I found labor estimates to vary, but the norm was around $300 per axle. I spent about $150-200 on tools instead. Used the money I saved to get a Detroit for the front, too!

    Brian
    Check out <a target="_blank" href=http://tx85gmcguy.alloffroad.com>My Jimmy</a> with all her projects!
     

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