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Suburban / blown rear - how different from K5?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by newyorkin, Jul 7, 2001.

  1. newyorkin

    newyorkin 1 ton status

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    Hey all, I know this is the K5 forum, but I'm duping this post in the 'burb forum (and I'm more comfortable in this one), and the truck is for a K5.

    I have a chance to pick up a '91 Burb for with a blown rear for $700. It has 250K on it, not much rot, but some along the rockers and bottoms of doors.

    Here's what I'm wondering.
    a. Is it a good deal?
    b. Can I drive it 100 miles on the front axle without destroying it (axle/tcase/tranny)?
    c. Aside from drivetrain, how much can I expect to be usable for my K5? Everything from rear doors - forward? (I'm already grabbing that pretty 89-91 nose).

    Ratch
    <A target="_blank" HREF=http://k5.8m.com>http://k5.8m.com</A>
    **K5 - What more is there to life?**
     
  2. POWERMAD

    POWERMAD 1/2 ton status

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    I would grab that sucker and run.
    100 miles on the front will prolly be ok if ya don't get to crazy with the go pedel.
    Everything will be usable. Ah the joys of owning GM products.

    my truck's not dirty, it's earth tone paint
     
  3. 84_Chevy_K10

    84_Chevy_K10 Banned

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    1. Yes it's a good deal
    2. No, you can't drive on the front axle with no rear driveshaft installed. This will destry the transfer case because without a rear shaft, all the fluid will leak out.

    Besides what you're planning on taking, I'd say just interior parts. That 88-91 nose sure is nice. My friend has one on his '86 K10.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     
  4. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Powermad,

    You can't do that on an NP 241 or NP 208. They have slip yokes, and they'll spew all of their fluid out.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     
  5. POWERMAD

    POWERMAD 1/2 ton status

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    Oops ya got me on that one. [​IMG]
    What a stupid design. I need to swap the rear output shaft on my 205 for that very reason.
    It looks like a tow dolly from U-haul is in order.

    my truck's not dirty, it's earth tone paint
     
  6. CaptCrunch

    CaptCrunch 1/2 ton status

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    Good deal? Heck ya! So what are your plans for it? fix, trade parts w/ your Blazer, fix and drive/sell?

    -Mikey
    1987 Chevy K5 Blazer- 350 TBI
    <A target="_blank" HREF=http://www.geocities.com/milnerlives_2000/blazer.htm>http://www.geocities.com/milnerlives_2000/blazer.htm</A>
     
  7. wayne

    wayne 3/4 ton status

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    91 Burb for $700 is a steel. Go for it.

    <font color=blue>Wayne<font color=blue>
     
  8. 84_Chevy_K10

    84_Chevy_K10 Banned

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    That's because you don't have one. I've lost my rear shaft more that a few times, I know all about not being able to drive.

    I have an extra slip yoke now. I slide that in and I can drive very slowly on the front axle to where I need to go to get it fixed.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     
  9. newyorkin

    newyorkin 1 ton status

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    Cool. Thanks for the info all.

    If I decide to gut it, I'll let you know. I' mreal slightly thinking of making it a plowing truck, depending on it's condition...

    Ratch
    <A target="_blank" HREF=http://k5.8m.com>http://k5.8m.com</A>
    **K5 - What more is there to life?**
     
  10. outlaw612

    outlaw612 1/2 ton status

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    Be sure and check with U-haul about that dolly, I just bought a 79 3/4 ton Pick-Up and It wouldnt fit on the dolly!
     
  11. newyorkin

    newyorkin 1 ton status

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    Uhaul wouldn't rent me a dolly unless I lied about what I was towing! But, I'm more into a tow-bar now. I towed a '79 with one a few weeks ago and it was awesome, like I was pulling a boat or something. tRustyK5 did the same thing but for 1000 miles. I was kinda nervous going into it, but it was cake once I got going. I'd use a dolly for car's though.

    I think what I may do is pop the u-joint out of the rear driveshaft and stuff the slip-yoke in the tc, then drive it home on the front axle. With someone I trust in my K5 just in case something goes batty and I need to tow it.

    This actually brings me to another question about the rear that I guess is better off in a new post....

    Ratch
    <A target="_blank" HREF=http://k5.8m.com>http://k5.8m.com</A>
    **K5 - What more is there to life?**
     
  12. Chris Demartini

    Chris Demartini 1/2 ton status

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    <font color=blue>The slip yoke wont stay without the driveshaft in. Ask me how I know [​IMG] [​IMG] !!! Mabye you could tape up the output housing real good to keep the fluid in?? </font color=blue>
     
  13. BlazerGuy

    BlazerGuy 3/4 ton status

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    I've heard of people cutting the neck off a plastic bottle, slipping it in where the yoke goes and duct tapin' the hell outta it( or use the sealant of your choice). It may work if you stop along the way and check the fluid

    Murphy's Laws on Life:
    "A bird in the hand is worth three Kleenex."
     
  14. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    Is the 'blown' rear locked? What is blown? If it is the R&P what damage could you do outside of the diff if you just drive it..... Is it a 10 bolt?

    Dave

    Beauty is in the eye of the beer holder.
     
  15. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    Just read your other post - sorry.

    Dave

    Beauty is in the eye of the beer holder.
     
  16. POWERMAD

    POWERMAD 1/2 ton status

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    If you can get the rear wheels to roll you can leave the driveshaft in place.
    I don't know where my head was at yesterday... The driveshaft on a Burb is two piece, you can unscrew the grease cap ot the slip yoke and remove the rear section leaving the front section in place.
    It will be held in place by the center support bearing which is bolted to a crossmember. [​IMG]

    my truck's not dirty, it's earth tone paint
     
  17. BigBurban350

    BigBurban350 1/2 ton status

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    I have driven 50 miles on the front wheels on my 90 Suburban with no problems(I did change the front diff fluid before I went), you just got to put half a plastic pop bottle over the slip yoke tail housing on the transfer case and duct tape it on.
     

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