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Flooring Chicken Or Egg

Discussion in 'Intermediate CJ-5 and CJ-6 Tech' started by RustNeverJeeps?, Aug 17, 2018.

  1. Aug 17, 2018
    RustNeverJeeps?

    RustNeverJeeps? having a come apart

    Lake of the Ozarks
    Joined:
    Jun 25, 2016
    Messages:
    52
    Hi, all...

    I need to replace my flooring support channels and floor panels. I'm thinking of purchasing said channels/panels from classic enterprises and doing the job one and right...

    Question... which get welded in first? the floors or the channels? Or the channels to the floors and then to the body?

    Feels like a reeeeeal noob-type question, right? That's because it is!

    Thanks
     
  2. Aug 17, 2018
    Focker

    Focker Ran when parked... Runs while moving. Staff Member Sponsor

    Tri-Cities WA
    Joined:
    Aug 18, 2014
    Messages:
    5,452
    I'm pretty sure it's this.
     
  3. Aug 17, 2018
    3b a runnin

    3b a runnin Sponsor Sponsor

    virginia
    Joined:
    Jan 11, 2015
    Messages:
    469
    I actually welded my floor in place first, then set the body back on the frame. with the body raised up just a little, I slid the channels in place and lined up the holes in the channels with the mount holes and secured the channels with self drilling screws enough to keep the location right. Then set the body off and turned it upside down and welded the channels. Easy to weld the holes where the self drill screws came out. It made alignment simple and sure. Might need a little different method if not planning to remove the body.
     
  4. Aug 19, 2018
    RustNeverJeeps?

    RustNeverJeeps? having a come apart

    Lake of the Ozarks
    Joined:
    Jun 25, 2016
    Messages:
    52
    Thanks. Focker, this seems obvious (now).

    3b, any reason why you chose to do it the way that you did? Would you do it differently if you had to do it over?
     
    Focker likes this.
  5. Aug 19, 2018
    scott milliner

    scott milliner Master Fabricator

    Seattle Wa.
    Joined:
    Dec 17, 2002
    Messages:
    1,868
    Here's how I did it. I first cut out the old floor supports and left the original floor panels. This gave me the outline where the floor cannels were suppose to go.
    With sheet metal screws I screwed the floor channels in place and welded the channels pieces together. (Do Not weld them to the old floor.) I then cut one side
    of the floor panels and tried to have all my cut seems of the new floor panels run along the floor channel. I then screwed the floor channels and new floor pans together.
    The welded floor channels I used as a reference so I could keep all the floor mount holes lined up. Sort of like a jig. Then I went to the other side and did the same thing.
    When this was done. I welded all the structure together. If you are replacing the Rear Floor Riser. Weld it to the front floor first. Complete welding it to the back floor and sides
    after the tub is put on the frame. This will take any twist out of the body.
     
    RustNeverJeeps? likes this.
  6. Aug 19, 2018
    3b a runnin

    3b a runnin Sponsor Sponsor

    virginia
    Joined:
    Jan 11, 2015
    Messages:
    469
    I have done a" frame up" build on all 3 of my Jeeps. The body was already off the frame for other repairs. For the 3B, I bought floor pans already bent to fit. I simply measured and cut out the old, and welded in the new. Then welded the channels to the floor pans as I described above. On the cj6 and the cj5, I bought 16ga. metal and "rolled my own". The cj6 got a engine swap, from the f head to a Dauntless v6. The cj5 got a transmission swap, from a t14 to a SM465. I was afraid of alignment issues if I didn't do a trial fit similar to the way I first mentioned. It seemed the surest way to get a the fit I wanted. Didn't want to have to drill extra holes in the channels to match the body mounts on the frame. By doing it this way, the grill matched up with the hole in the crossmember with no problems. Yes, I would do it this way again.
    scott milliner described a good way to do this if the body is not coming off for other repairs.
     
    RustNeverJeeps? likes this.

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