drive line knock

Discussion in '40- & 55-Series Tech' started by dargreg, Feb 15, 2009.

  1. dargreg

    dargreg

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    Hi guys, got a problem some of you may have had. Ive framed off a 75 40 with a 6.2 sm465 sprung over with emu suspention. Got a full floater with lock rit locker. My problem is when i ran through all gears sitting on engine stands there is no vibration or knock, when i tighten rear brakes (maybe a little to tight) ther is a definate knock would this be one brake being to tight working against the locker their is a cordon joint in drive shaft and both axels turned 8 degrees
     
  2. John Smith

    John Smith In the garage

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    Your 8 degree figure is meaningless for the rear. You need to point the rear pinion at the transfer case or you will have vibes when running a double cardan joint. I take it the ujoint is on the pinion end and your DC joint is at the transfer case end like it should be?
     
  3. dargreg

    dargreg

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    yes cardan joint is on trans side and pinion is pointing straight at tc onll obout 1 inch of play in slipe joint though
     
  4. dargreg

    dargreg

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    Sorry guys found it . I had fabed up header pipes for the 6.2 did not put hanger on pass side was bouncing of E brake drum could not see it by myself.
     
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