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14 bolt and dana 60

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by therover87, Oct 12, 2001.

  1. therover87

    therover87 1/2 ton status

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    i have a 87 k5 and today i went and picked up the 14 bolt and the dana 60, i am new at this so im learning and hopefully with your help i can rebuild these rears. What i am not sure about is the size of the ring gear either being 10.5" or 9.5", also to tell if it is a full floater or semi-floter, also what would you recommend as far as a differential for an everyday driver with little off road use. I am going to be putting a zz4 motor in if thats helps at all. My last question concers the issue of what gears to use, like i said i am all new to this stuff so if you could help me out i would appreciate it, thanks

    Sean
     
  2. ftn96

    ftn96 1/2 ton status

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    Ok, on the 14 bolt rear....Does the center section out by where the wheel bolts on have a hub with 8 big ass bolts in it? If it does then it is a 14 FF (GOOD), the SF isn't bad just not as good as the FF.
    #2 Where did you get the axles from? Where they out of a junk yard or from a parts truck or what? For the most part you need to replace the seals and inspect everything and replace whats bad.
    #3 as far as the gears, that all depends on that size tires your gonna be running. Since you truck is an 87 Im assuming it has a 700R4 overdrive transmission, which means you have a lower first gear and you have overdrive. So this kinda brodens your choices of gears in 2 directions.
    The lower first gear will help you get away with a higher gear ratio adn still allow you to get the truck rolling, on the other hand the OD allows you to go with a lot lower gear ratio and not run down the freeway at 3500 RPM's.
    1st off you outta pull the cover off the 60 and the 14 and see what gears you have. the 14 FF most commonly come with a 4.10 (or at least all the ones I've seen have). If your 60 has 4.10's and the 14 has 4.10's your straight on the gears. Then you can get you some 33" tires for relatively cheap and get yourself a 4" lift and your set.
    Just dont go into no deep ruts with high centers with 33's and a 14FF, you'll get stuck!!!

    Surgeon General's Warning:
    Viagra and steroids may be harmful to your spouse![​IMG]
    <a target="_blank" href=http://www.nashvillek5.freeservers.com>www.nashvillek5.freeservers.com</a>
     
  3. therover87

    therover87 1/2 ton status

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    do you mean the lugs?
     
  4. thatK30guy

    thatK30guy 1 ton status Premium Member

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    No, on the 14FF, the axle shaft is bolted to the bearing hub, which protrudes past the drum. The shafts are held to the hub by 8 bolts.

    If you still dont know the difference between the FF and SF, go to the axle identification site on the start of the home page. It will show the differential covers and will let you know which one you have. Hopefully you have the FF. [​IMG]

    <font color=red>I'm a "black top mudder"!!!</font color=red>

    <a target="_blank" href=http://coloradok5.com/gallery/thatK30guy>The K30 Collection</a>
     
  5. BurbinOR

    BurbinOR 3/4 ton status

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  6. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Oh man! Yeah, I remember that!! [​IMG] [​IMG]

    I still needed to put on my sun glasses to look at it though! [​IMG] [​IMG]

    <font color=red>I'm a "black top mudder"!!!</font color=red>

    <a target="_blank" href=http://coloradok5.com/gallery/thatK30guy>The K30 Collection</a>
     
  7. BurbinOR

    BurbinOR 3/4 ton status

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    Oooh, yeah, that was a Picasso [​IMG]...........a bit dirtier now but still 'presentable' for ya.............anyone want an extremely well built 14 bolt *with a nice paint job* ought to be buying from WES.........

    <font color=blue>'79 ONE TON TPI K5 - See it at---&gt;<a target="_blank" href=http://www.blazzinor.rockcrawler.com>www.blazzinor.rockcrawler.com</a>
     

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