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Rear 10 Bolt Axle for a 90' Suburban

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 82K5_6.5L, Jan 12, 2003.

  1. 82K5_6.5L

    82K5_6.5L 1/2 ton status

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    Rear 10 Bolt Axle for a 90\' Suburban

    my friend blew the gears in his rear diff. of his 1990 Suburban doing a nuetral drop (which is dumb to do) should he replace the gears on it or get a new axle???
     
  2. Bubba Ray Boudreaux

    Bubba Ray Boudreaux 1 ton status

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    Re: Rear 10 Bolt Axle for a 90\' Suburban

    More info on the truck please. /forums/images/graemlins/deal.gif
     
  3. u2slow

    u2slow 1/2 ton status

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    Re: Rear 10 Bolt Axle for a 90\' Suburban

    IMO, a Suburban should never have come with a 8.5" rear axle. Time for 8-lug /forums/images/graemlins/thumb.gif
     
  4. Blazinaire

    Blazinaire 1/2 ton status

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    Re: Rear 10 Bolt Axle for a 90\' Suburban

    that's what I'm saying! not ragging on ya either, we have an 89 sub with 10 bolts /forums/images/graemlins/burb.gif, i don't trust those axles farther than i can throw them on something that heavy, especially if it will see any offroad use or abuse. I usually try not to tell everyone to put a 14bolt in thier truck, but this will be an exception, find out what gear ratio the truck currently has and try to find a 14ff with gears to match. you will need to get 8 lug outers for the front axle and buy new wheels and if you want to run 15'' wheels you will need to grind the front calipers.....OR, PM TONYP, he makes adapters to make the 14ff 6 lug so that you can use your existing wheels /forums/images/graemlins/thumb.gif.
     
  5. R72K5

    R72K5 Banned

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    Re: Rear 10 Bolt Axle for a 90\' Suburban

    although the 8.5" always seem to have held up under the late 70;s vans, so hmm.. i never have had a problem with any 8.5" cept til 88 came around, its always the 12 bolts that loose ring gears and yokes


    good luck
     
  6. doctor4x4

    doctor4x4 1/2 ton status

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    Re: Rear 10 Bolt Axle for a 90\' Suburban

    well i agree go to a stronger rear end mabe even just a step up to the semi floater ?? and then get the 6 lug axles for it or the adapters from tony p that way its a fairly cheep easy quick fix for ya /forums/images/graemlins/burb.gif
     
  7. AZ_Overdrive

    AZ_Overdrive 1/2 ton status

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    Re: Rear 10 Bolt Axle for a 90\' Suburban

    If you decide to go with keeping the 10 bold I have one with 3.73 gears in it. It came out of my 89 Burb in November when I switched to a 14 bolt. Send me an email if interested(it's cheap).
     

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