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12 bolt ???

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by coolhandluke, Nov 21, 2001.

  1. coolhandluke

    coolhandluke 1/2 ton status

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    Did blazers ever have a 12 bolt rear standard, or is this srictly a mod?

    83 k5 originally diesel, now 350, 700-R4 12 bolt rear, 33x12.50 BFG Trails (yuck), desperately seeking a lift
    sometimes nothing is a real cool hand
     
  2. SlyDog

    SlyDog 1/2 ton status

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    Yup, they are standard on some of 'em, take mine for example. O, not to mention the 12 bolt front, very popular also [​IMG]

    <font color=green>[​IMG]1977 K5 GETTIN IT AWN[​IMG]</font color=green>
    GO BUSH
     
  3. mudhog

    mudhog THEGAME Staff Member Super Moderator

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  4. K10ANDYKHAMNIC

    K10ANDYKHAMNIC 1/2 ton status

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    12 bolts are cool , when they are like mine ... heh heh heh



    dents ....
    O R D's axles
    NO BREAKAGE :)
     
  5. Executioner

    Executioner 1/2 ton status

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    Yup, 12 Bolt front and rear, Possi front and rear, all came from the Factory !
     
  6. ChevyCaGal

    ChevyCaGal 3/4 ton status

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    Oh man here we go again.... [​IMG].... you got a 12b factory front like my Neon rolled outta Dodge with a Dana 60 front end.....

    &lt;&gt;&lt;<a target="_blank" href=http://www.chevycagal.homestead.com/steph.html>Steph's Webpage</a>&gt;&lt;&gt;
    Suck Fumes Ford Boy
    I keep trying to lose weight, but it always finds me!
     
  7. OFFRDK5

    OFFRDK5 1/2 ton status Premium Member

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    Why don't you ever show any pics of this axle? Do you have a pic of it in the "Member Rides"? Has it been proven that he actually owns a Blazer? May be one fo them BlazerBabe people!!!


    SK-15
    J**P...it's whats for dinner!
    Roads? Where we're going, we don't need any roads!
    If it wasn't for bad luck I would have no luck at all!!
     
  8. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Nick...pic's have been posted, confirming exectutioner has a Blazer with a Dana 44.

    BTW my 81 came with a 12 bolt rear and 10 bolt front stock. It was a factory 4 speed truck though. My 12 bolt blew trying to take it for a test drive...I got 5 feet and it puked parts right through the cover.[​IMG]

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
    <a target="_blank" href=http://coloradok5.com/gallery/project_T2> tRusty pics...</a>
     
  9. ChevyCaGal

    ChevyCaGal 3/4 ton status

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    Here's the pictures.... <a target="_blank" href=http://albums.photopoint.com/j/AlbumIndex?u=904207&amp;a=8443711&amp;f=0&amp;sp=0>Magic 12b front</a>

    &lt;&gt;&lt;<a target="_blank" href=http://www.chevycagal.homestead.com/steph.html>Steph's Webpage</a>&gt;&lt;&gt;
    Suck Fumes Ford Boy
    I keep trying to lose weight, but it always finds me!
     
  10. OFFRDK5

    OFFRDK5 1/2 ton status Premium Member

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    I can't make out the front axle on that thing. Pictures are fuzzy. Maybe he would like to post some new pics of this 12 bolt?


    SK-15
    J**P...it's whats for dinner!
    Roads? Where we're going, we don't need any roads!
    If it wasn't for bad luck I would have no luck at all!!
     
  11. FRIZZLEFRY

    FRIZZLEFRY 1/2 ton status

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    My 81 came with a 10 and 12 bolt also.

    Some people shouldnt drive anything bigger than their head.<a target="_blank" href=http://community.webshots.com/user/beaterwhang>community.webshots.com/user/beaterwhang</a>
     
  12. K5Jimmy

    K5Jimmy 1/2 ton status

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    I think 82 was the year they changed to 10B rears with 28 splines....went to 30 spline 10B rear in 87(?).....77 was the last year for D44 front, although a few survived as surplus in 78.....all 79's came with Corporate 10B fronts.....to the best of my knowledge, positrac (gov-loc or otherwise) was never offered as a factory option for the front in any model year.....not sure what year they changed from Gov-loc to Eaton, but it's been pretty recent (even though Eaton built the Gov-lock for GM)........most 12B grenade because of the Gov-lock carrier, or because of worn pinion shaft bearings.....of course high mileage and abuse are a factor also......I've owned 12B in a variety of vehicles in the past 25 yrs or so.....except for grenading a gov lock, I've never had a problem with 'em.....

    Stuck?...Hell no..I still got some gas left..
     
  13. Jason73K5

    Jason73K5 1/2 ton status

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    You've got the Dana 60 front in your Neon? Mine only came with a Dana 44.

    73K-5: TBI350/TH-400/NP-203/14FF/D44
    Topless, doorless and no tailgate!
    Fresno, CA
     
  14. SlyDog

    SlyDog 1/2 ton status

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    No fair ! Mine only came with 2 1/2 ton rockwells [​IMG]

    <font color=green>[​IMG]1977 K5 GETTIN IT AWN[​IMG]</font color=green>
    GO BUSH
     

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