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Technical Top chop advice

Discussion in 'Traditional Hot Rods' started by oldschool59, Feb 7, 2020.

  1. oldschool59
    Joined: Jan 3, 2008
    Posts: 49

    oldschool59
    Member

    First chop , doing 4.5 “ on my 31 model a coupe . Should I take out the wood around windows and door posts first before cut , after cut , or not worry about it . Thinking of heat when I weld it back together . Will be tig welding it . Thanks .

    Regards
    Mike
     
  2. Ghost28
    Joined: Nov 23, 2008
    Posts: 3,194

    Ghost28
    Member

    IMG_20200207_141110.jpg I have done a bunch with out taking the wood out, just frame it best as you can afterwards. just my opinion but 4.5 on a 31 is a bit extreme.
    Mark of the 4.5 inches across the windshield and take a look at your vision through it. I found a 3.5 inch cut is real decent. 4.5 on a 28 or 29 is perfect
     
  3. alchemy
    Joined: Sep 27, 2002
    Posts: 17,086

    alchemy
    ALLIANCE MEMBER

    I know on 28-9 the door post wood has screws that are hidden behind the outer skin. Hard to remove that stuff. Is 30-31 the same?

    For sure remove the quarter window and rear window wood. Then cut those down with overlapping joints. Much easier to screw the overlapping joints together than it is to weld the wood pieces back together.
     
  4. kb cookout
    Joined: Dec 17, 2004
    Posts: 4,227

    kb cookout
    ALLIANCE MEMBER

    Take the wood out around the 1/4 windows and back window, then cut the out side skin and remove the upper part of the roof ,
    Do not cut the front post or the door latch posts yet,
    figure how much you want to chop and then cut the B post off at the top and weld on 2 tabs were the wood bolts to
    then take the outside skin off the windshield posts, , cut and weld the inner windshield post and then fit and trim the outside shin of the windshield post and weld back on
    Reinstall or replace the top wood , and then reskin the upper part of the roof

    Later kb
     

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