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Body Mount Questions

Discussion in 'Early CJ5 and CJ6 Tech' started by Boyink, May 23, 2005.

  1. May 23, 2005
    Boyink

    Boyink Super Moderator Staff Member

    Tulsa, OK
    Joined:
    Sep 20, 2002
    Messages:
    6,197
    CJ6 Body Mount Questions

    Been looking at the body mount project...looks like just about every one is going to require some finagling..... :rofl:

    Anyway...a few questions. Check out this pic:

    [​IMG]

    This is looking towards the front of the Jeep. The innermost crossmember (that has the muffler attached) has a rubber strip between it and the body.

    In the gap between it and the next crossmember, is a rubber strip attached to the bottom of the body, with nothing around.

    The next crossmember back has no rubber between it and the body, save for little pieces by the two bolts in the corners where the original drawbar attached.

    #1 - When I install the body pucks, there's going to be a gap between that innermost crossmember and the body. Do I fill it?

    Here's another pic of the "stranded" rubber strip:
    [​IMG]

    #2 - What the heck was this for?

    OK, further up where the floor height raises from the front to the back, under the front seats.

    [​IMG]

    #3 - Does that look right?

    Moving up again, this by the front of the tub, this pic from the passenger side:
    [​IMG]

    I'm already figuring on some hat channel repair.

    #4 - Do I make some kind of spacer so the hat channel still sits on top of the frame after the body puck raises the body up 5/8"?
     
  2. May 23, 2005
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
    Joined:
    Sep 21, 2002
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    12,378
    In a nutshell I'd definitely brace or support the body as it was originally supported. Weird about the lone rubber strip underneath, and the one underneath the vertical part doesn't look right, but it's got rivets so must be factory.
     
  3. May 23, 2005
    66cj5

    66cj5 Jeep with no name

    NorthWest Indiana
    Joined:
    Sep 10, 2003
    Messages:
    2,084
    almost looks like frame has been replaced.
     
  4. May 23, 2005
    Boyink

    Boyink Super Moderator Staff Member

    Tulsa, OK
    Joined:
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    Why?
     
  5. May 23, 2005
    66cj5

    66cj5 Jeep with no name

    NorthWest Indiana
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    Sep 10, 2003
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    2,084
    maybe a po rolled/crashed the jeep and got a -6 tub from another jeep? just looks like a swap has been done to me.
     
  6. May 23, 2005
    Boyink

    Boyink Super Moderator Staff Member

    Tulsa, OK
    Joined:
    Sep 20, 2002
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    The stranded rubber strip wouldn't have lined up to any 6 frame as there just isn't a crossmember there.

    I'm thinking the little "L" bracket further up the body under the front seats is '6-specific (due to extra body length), and probably bent. If it were in there square it would look less odd.

    Edit - here's a pic from another CJ6, the "L" bracket is visible:
    [​IMG]

    Almost seems like it would be better to cut off the "L" bracket and just run a bolt through the frame, and use one of the thicker body pucks I have.
     
  7. May 23, 2005
    Project71-5

    Project71-5 BACON

    Gypsum, CO
    Joined:
    Sep 24, 2002
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    897
    Mike,

    On my 71 there was originally (or long gone before I ever got the Jeep) no support under the hat channel forward of the front most body mount. It did not look like there ever was one there.

    I suspect that if there was a support originally it would have attached to the hat channel and acted like a snubber when the frame was twisted up. Just my .02...
     
  8. May 23, 2005
    DanStew

    DanStew Preowned Merkin salesman Staff Member

    Lexington, South...
    Joined:
    Sep 22, 2002
    Messages:
    4,585
    I am in the same boat as you Mike. After Tellico i realized i needed to mount the body better. I originally had the rubber strip on my jeep, but i tossed it years ago. And that forward most part of the frame should have a mount under it, but there is no way to "bolt" it down, the tub sort of holds it there, like mine did, until i shot out those bodt puchs on that damn trail 1 in tellico. I am going to make a few more mounts, and make the body stronger.
     
  9. May 23, 2005
    Boyink

    Boyink Super Moderator Staff Member

    Tulsa, OK
    Joined:
    Sep 20, 2002
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    6,197
    This is pretty much the way Dutch was too:

    [​IMG]

    I'm thinking this setup works OK -- with the thickness of the rubber pads used originally, the hat channel just sits on the frame. Unless like Joe mentions the frame is twisted up.

    What I worry about though is putting in the body puck, which will raise that body mount up and either create a gap between the hat channel and frame or allow the body to sag until they meet again.

    I almost wonder if I should try to source a piece of urethane to somehow mount in there for the length of the hat channel? Maybe attached to the frame only?
     
  10. May 23, 2005
    gte636p

    gte636p Member

    smyrna, Ga
    Joined:
    Sep 23, 2002
    Messages:
    492
    if i rememeber correctly my body jus rides on the frame in the front and everything else takes pucks all the way around, but it's been a while since i was looking at body mounts. ialso remember some roblems where you are showing that l bracket. i believe on the '5 it is angles like thatas well, but built in the frame somehow. again, it's been a while, but that seems to stick in my mind for some reason...
     
  11. May 23, 2005
    jpflat2a

    jpflat2a what's that noise?

    Hermosa, SD
    Joined:
    Jul 30, 2003
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    8,524
    the original rubber pads were just pieces of rectangular tire carcass......but......
    there were a bunch of different thicknesses to make up for the different clearances
    ie: 1/8", 3/16", 1/4". and 1/2"
    and....you placed them accordingly to where they would fit
    but you '5 and '6 guys already knew this............
     
  12. May 23, 2005
    Mcruff

    Mcruff Earlycj5 Machinist

    Albertville, AL
    Joined:
    Sep 22, 2002
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    5,349

    Mike mine had pieces of rubber that are factory in this area, this is part of what caused my small steering problem at Tellico late on friday and part of saturday, the pieces are bolted to the hat channel on the front below the triangles supports, they were about 3/8" thick but were made up of several thinner pieces, the ones on the driver side fell off somewhere on the trail and let the body sag down to the frame effectively allowing my steering shaft to drag on the engine mount, the body shifted sideways toward the drivers side, this made the other body bolts loose and then the passenger side slid over and pinched off a piece of the rubber mount. Whats left now is only on the pass side and is only about 1/4" thick now. I will fix this all when i take the body off in about 3 months to prep and paint it.
     
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