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Technical Chevy Truck Torque & Drive Shaft Questions

Discussion in 'Traditional Hot Rods' started by oldcarz, Nov 19, 2016.

  1. oldcarz
    Joined: Feb 16, 2008
    Posts: 70

    oldcarz
    Member

    A) Can someone post an actual photo of a 1949-1952 Chevy 1/2 ton 3100 Drive Shaft,
    ideally a side view of each end.
    B) What is involved in the removal and replacement of the Torque Tube from the
    carrier housing ? Thanks in advance.
     
  2. 302GMC
    Joined: Dec 15, 2005
    Posts: 8,513

    302GMC
    Member
    from Idaho

    I do it on jackstands ...
    Dump the oil. Pull wheels and drums. Pull diff cover, remove the pin holding the spacer block between axles and drop it out. Shove the axles in and remove C-clips, then pull the shafts out - don't let them rest on the seals. Then support the tube just enough to take the weight off the ball coupler. Remove it and the u-joint bolts, slide both back as far as they'll go. Drop the front down and 10 bolts to go ...
     
  3. 56sedandelivery
    Joined: Nov 21, 2006
    Posts: 6,694

    56sedandelivery
    Member Emeritus

    You'll need a different transmission (if you keep it a manual transmission), BUT, the bellhousing will have the correct, larger mounting pattern, and not ther older truck/p***enger car, small pattern. Just remove everything from the bellhousing/transmission mounting surface rearward. You'll need new spring/shock mount plates as the stock mounting is a pivoting setup designed to work with a torque-tube. It's probably easiest to keep the torque-tube attached to the housing rather than separate them; they can't be re-used anyway. There is't a third member that will bolt to the stock housing/axles. So, new transmission, new driveshaft, new complete rear end, new U-bolts and spring/shock mount plates, possibly new brake lines/hoses, and lubricants for the transmission and rear end. Your stock column shifter may be modified to work, or go with an aftermarket floor shifter.
    I am Butch/56sedandelivery.
     
  4. oldcarz
    Joined: Feb 16, 2008
    Posts: 70

    oldcarz
    Member

    Guys, let me try to clarify my Question (B).
    Visualize the differential on jack stands Completely Stripped of axles,
    ring gear/pinion/carrier and drive shaft, etc.
    Question: What is involved in the Removal of the Torque Tube FROM
    the Carrier Housing CAST "CONE" and the subsequent Replacement of
    the Torque Tube TO the Carrier Housing CAST "CONE"?
    I appears the TT is secured in the CONE with 3 Rivets?
     
  5. What are you attempting to do, by only removing the torque tube?
    If we know your objective, perhaps we can give more info to you.
     
  6. 302GMC
    Joined: Dec 15, 2005
    Posts: 8,513

    302GMC
    Member
    from Idaho

    Can't recall anyone ever wanting to do that, other than to use the tubes for headers or scavenger pipes .... we used a BIG pipe cutter.
     
  7. oldcarz
    Joined: Feb 16, 2008
    Posts: 70

    oldcarz
    Member

    My objective is to SHORTEN the Torque Tube (& Drive Shaft)
     
  8. 302GMC
    Joined: Dec 15, 2005
    Posts: 8,513

    302GMC
    Member
    from Idaho

    How shortened ? Found out (by mistake) that the '54 pickup Hydra-matic torque tube is a "little" shorter than the other '47 - '54.
     

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