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Alloy Shafts for D44

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by RedDwarf, Aug 8, 2001.

  1. RedDwarf

    RedDwarf 1/2 ton status

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    So who here has broken an alloy shaft? What gears/tires?

    Lift It, Lock It, LIVE IT!!!
     
  2. RedDwarf

    RedDwarf 1/2 ton status

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    Re:Breaking Alloy Shafts for D44

    Or, who has them and has dogged the crap out of them w/o breaking?

    Lift It, Lock It, LIVE IT!!!
     
  3. Stephen

    Stephen 1/2 ton status Moderator Vendor

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    I popped a ujoint one time that twisted the ears up a little. Maybe repairable, probably not. We've had to run a few warranty shafts through here, but most of them are joint caused problems, and the 2 or 3 shafts we've seen broken have been with 38" and up rigs. If you twist the splines, you get a new shaft pretty quick.

    I used the truck really hard a couple of times with 35.5" TSL's and a lockright trying to get up the Dumpbump in Moab. All kinds of bouncing and thrashing about, was really surprised they didn't turn loose somehow. With 37's, it was a lot easier to break them, one good hop would do it. But at that point, I was running the hub fuses so it wasn't too bad to break them.



    Making the world better, one truck at a time.
    SW-ORD<P ID="edit"><FONT class="small">Edited by Stephen on 08/08/01 06:55 PM.</FONT></P>
     
  4. RedDwarf

    RedDwarf 1/2 ton status

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    Hey thanks Stephen, that's the kind of info I was looking for.
    Unfortunately, I have 38" TSL's, but they only measure about 35" tall on the truck.

    So if the splines twist, you guys will warranty them?

    Lift It, Lock It, LIVE IT!!!
     
  5. CaptCrunch

    CaptCrunch 1/2 ton status

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    Basically most of the shafts I believe have a lifetime warranty... someone correct me if I'm wrong. Basically w/ 38's and up w/ a locked frt end you are gonna break stuff in a D44. The nice thing is sometimes you can luck out when a u-jt blows in an aftermarket shaft and not kill the ears... but that is only sometimes. I look at it like this though... for the price of the aftermarket alloy shafts you are over half the way to a D60... might as well get it over with now rather then later if you run that big or tire w/ a locker and like to crawl. Just my $.02 worth there though.

    -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>
     
  6. Burt4x4

    Burt4x4 3/4 ton status

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    I am running the Warn CMoly axles and thoes 297 Ujoints can handel up to a 35" mabie a 36" but I wouldn't go much higher than that with a D44. Mine are very new and only wheeled them 3 times now and so far so good. I have 33"MudRovers now but will soon be 35"SSRs[​IMG]
    Oh and run the hub fuzes too, they are said to work well for saving the 297s.....?? Duno yet!

    72K5[​IMG]Led Zeppelin[​IMG]Rock ON![​IMG]
    <a target="_blank" href=http://www.geocities.com/baja/5099>www.geocities.com/baja/5099</a>
     

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