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Thread: What size tubing to fit inside the atc70 frame?

  1. #1
    Join Date
    Jul 2008
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    What size tubing to fit inside the atc70 frame?

    I have 3 atc 70's in my garage and 1 spare frame that is bent a little.
    I want to build a 70 for myself with my parts I have but need to reinforce the frame once I straighten it.

    What size tubing do you use to lengthen the frame and strengthen it. I don't want to cut it yet until I know I can get the steel for it locally.

  2. #2
    KASEY's Avatar
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    46 MM ITS AN ODD SIZE.. i had to make the piece i used.




  3. #3
    Join Date
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    Is that the inside diameter of the stock tubing?

  4. #4
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    Yes it is,,,,,,

  5. #5
    Join Date
    Oct 2002
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    I can check tomorrow, I extended DEEPA's that way. Mine, I got a 3MM thicker walled tubing and replaced the whole upper piece. I'll get some pics

    EDIT - If you do just put an extension tube in it, drill some 1/2 holes in the stock tube around it and before the ends of the new extension tube. Mig weld those too and it's very strong.........
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