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Dana 27

Discussion in 'Flat Fender Tech' started by Bradscj3b, Dec 4, 2006.

  1. Dec 4, 2006
    Bradscj3b

    Bradscj3b Highhood

    Edgewood Washington
    Joined:
    Nov 23, 2006
    Messages:
    37
    Last week I broke the spider gears,This week I broke a axle.Both times it broke just at the crest of a hill I lost trackshion wheel spun poped up in air came down and snap.I was not beating on it I baby this thing.I was wondering if it would be a good idea to make a lincoln locker out of this.My idea is to crawel up the hill but with a two wheel wonder that dont allways work.:v6: Mabe its just to mutch toqure?
     
    Bradscj3b, Dec 4, 2006
    #1
  2. Dec 4, 2006
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
    Joined:
    Nov 6, 2002
    Messages:
    4,275
    Had you gone through the '27 prior to the carnage? Replaced any parts? I'm far from an expert on axles, but common sense tells me that if there is excessive backlash (play) in the differential, that can really put a lot of stress on driveline components as they get unloaded and then re-loaded under stress. (Remember doing neutral-drops in the old man's Impala back in high school? :rofl:)

    Whe I put the locker in my rear Dana 41 I found that the axle was really sloppy, and I thought my R & P was shot. I installed the locker anyway, and much to my surprise almost all of the slop in my rear axle assembly was gone! Seems that the spider and side gears were worn, not the ring & pinion!

    Also, you may have had a bad component in there just waiting to fail.
     
    w3srl, Dec 4, 2006
    #2
  3. Dec 4, 2006
    Bradscj3b

    Bradscj3b Highhood

    Edgewood Washington
    Joined:
    Nov 23, 2006
    Messages:
    37
    I thought I was the only one. Rev it up to 4500 rpm in nutral than bam down to drive!!! WHOOPS Not moveing Driveline on ground.lesson #1 Dont do that.Man I have done some really bad things.But now I am older.Wait a minute nonthing has changed.Man I hope my wife dont read this.To answer your question,Yes everything was set up.Mabe you are right and it was ready to brake.It dont take that long to fix. Its just am I wasteing my time with the 27? I heard the 30 is not mutch better.Is it true if I put a Dana 44 in willy that I will probbly have problems with the T90?Man it breaks easy!
     
    Bradscj3b, Dec 4, 2006
    #3
  4. Dec 5, 2006
    neptco19

    neptco19 That guy....

    Athens, GA
    Joined:
    Sep 26, 2003
    Messages:
    1,381
    Id say replace it this time, and if it breaks again swap in a 44. Main reason everyone swaps in 30s is because they are an easy swap. But if your breaking axles that much I'd venture to guess your going to be breaking 30s occasionaly. So just jump to a 44 and call it good.
     
    neptco19, Dec 5, 2006
    #4
  5. Dec 5, 2006
    Bradscj3b

    Bradscj3b Highhood

    Edgewood Washington
    Joined:
    Nov 23, 2006
    Messages:
    37
    Thanks Neptco19 and w3srl some times it helps to talk things through and all your input is helping.By the way neptco I was watching the Blairsville Rollover Man thats intence!!! Was the driver ok?
     
    Bradscj3b, Dec 5, 2006
    #5
  6. Dec 5, 2006
    neptco19

    neptco19 That guy....

    Athens, GA
    Joined:
    Sep 26, 2003
    Messages:
    1,381
    I dont remember all the details, but I do remember he walked away. Was buckled in and had a full cage. Probably the only things that saved his life.
     
    neptco19, Dec 5, 2006
    #6
  7. Dec 5, 2006
    jeepdaddy2000

    jeepdaddy2000 Active Member

    Eagle Point oregon
    Joined:
    Jun 24, 2004
    Messages:
    1,187
    One of the best upgrades you can do for the 27 is installing a powr lock. Not only is the diff brutally strong, but it will help eliminate "torque swapping" where the wheel in the air suddenly receives all the power, only to slam down on the ground applying that power plus rotating mass suddenly back into the drivetrain.
     
    jeepdaddy2000, Dec 5, 2006
    #7
  8. Dec 5, 2006
    jpflat2a

    jpflat2a what's that noise?

    Hermosa, SD
    Joined:
    Jul 30, 2003
    Messages:
    8,525
    usually only one thing causes this : driver error
    regardless of the front axle, D25, 27, 30 or even the 44, airborne is about the worst situation you could subject the front axle to.
    airborne + skinny pedal = front axle carnage
    that's it, plain and simple
    keep 'em on the ground and keep 'em alive
     
    jpflat2a, Dec 5, 2006
    #8
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