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2A/3A Frame Differences

Discussion in 'Flat Fender Tech' started by flyingtim, Jan 27, 2007.

  1. Jan 27, 2007
    flyingtim

    flyingtim Member

    Branford, CT
    Joined:
    Nov 20, 2006
    Messages:
    69
    Are there any glaring differences between a 2A and a 3A frame? The rear section of my 3A is awfully thin and may not be worth building, however I have a line on a decent 2A frame locally. Will my 3A tub mount up on the 2A frame?
     
    flyingtim, Jan 27, 2007
    #1
  2. Jan 27, 2007
    jd7

    jd7 Sponsor

    Nacogdoches,Texas
    Joined:
    Mar 30, 2004
    Messages:
    1,745
    Bodies will swap no problem but the frames are different. Shouldn't be a problem unless you are trying to stay concours origional.
     
    jd7, Jan 27, 2007
    #2
  3. Jan 28, 2007
    GaryArf

    GaryArf New Member

    Baxter Mn.
    Joined:
    Oct 17, 2006
    Messages:
    45
    The differences in the frame will be the front frame horns and the engine mounts. The frame horns are no big deal but if you use the 3a L head the front engine plate and fuel pump may need to be changed (OR, just modify the frame mount)
     
    GaryArf, Jan 28, 2007
    #3
  4. Jan 28, 2007
    flyingtim

    flyingtim Member

    Branford, CT
    Joined:
    Nov 20, 2006
    Messages:
    69
    Thanks for the help. I'm not wondering if my frame isn't salvageable. Everything up to the crossmember that goes over the rear axle is solid. However, the two rearmost crossmember will have to be replaced as it is rusted through where it meets the frame itself. Would it be stupid to replace the crossmembers on a frame that is a little thin at the rear?
     
    flyingtim, Jan 28, 2007
    #4
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