Register now to get rid of these ads!

Technical Chopping Model A's.

Discussion in 'Traditional Hot Rods' started by Model A Front Axle, Jun 2, 2025.

  1. Model A Front Axle
    Joined: Jul 3, 2024
    Posts: 50

    Model A Front Axle
    Member
    from Yuma, AZ

    Hey H.A.M.B.'ers, I was wondering how hard it was to chop a Model A, me and my dad are going to soon, and I need some advice or difficult it is. Thanks in advance, Front Axle.
     
  2. Blue Moon Garage
    Joined: Mar 1, 2009
    Posts: 465

    Blue Moon Garage
    Member

  3. panhead_pete
    Joined: Feb 22, 2006
    Posts: 3,678

    panhead_pete
    ALLIANCE MEMBER

    If its a coupe try and find the thread that shows a whole lot of different height chops.
     
    Okie Pete likes this.
  4. Rehpotsirhcj
    Joined: May 7, 2006
    Posts: 1,532

    Rehpotsirhcj
    ALLIANCE MEMBER
    1. Northwest HAMBers

    Also a lot of info here somewhere with respect to rear window height, pie cuts etc.
    Also the third hinge, keep or kill…
     
  5. Model A Front Axle
    Joined: Jul 3, 2024
    Posts: 50

    Model A Front Axle
    Member
    from Yuma, AZ

    Now that is the Model A we have, 2 door sedan, the coolest of the body styles for a hotrod. Thanks for the advice, we also have a 34 3 window and that one has been a fight, so I wasn't sure if it would be as bad.
     
    winduptoy likes this.
  6. ratster
    Joined: Sep 23, 2001
    Posts: 3,611

    ratster
    Member

    my 17 year old son and his buddy chopped his coupe 10458670_10153490970434917_7463761190270923109_n.jpg
    19747_271397684916_8152985_n.jpg
     
  7. deathrowdave
    Joined: May 27, 2014
    Posts: 4,783

    deathrowdave
    ALLIANCE MEMBER
    from NKy

    Most pieces are cut and drop . The windshield and front door pots require some spreading to match the parts . But nothing you can not handle at home . When welding tack and move around , warping it up will kill a beautiful chop . If you were near I’d gladly lend a hand and TIG welding skills for a hand shake .
     
    alanp561, Cooon, ratster and 6 others like this.
  8. JimSibley
    Joined: Jan 21, 2004
    Posts: 3,993

    JimSibley
    Member

    I have chopped a lot of model a fords, 3.5 inches and less is pretty easy. You cut the car and drop the pieces into place. A heavy chop requires some
    Pie cutting and a little finesse.
     
    alanp561, ratster, mad mikey and 3 others like this.
  9. Robert Pierce
    Joined: Nov 29, 2021
    Posts: 106

    Robert Pierce
    Member

    My son did ours after researching the HAMB and else were. Plenty of bracing inside the body as well as bolting it to a home built dolly. The area between quarter glass and rear window was cut offset to minimize the mail slot look. He used a permanent marker to define the areas to be cut and scribed the cut lines. Use a cutoff wheel and took his time. See photos. IMG_0114.jpeg IMG_0107.jpeg IMG_0111.jpeg IMG_0110.jpeg IMG_0104.jpeg IMG_0006.jpeg IMG_0115.jpeg IMG_0116.jpeg IMG_0175.jpeg IMG_0550.jpeg IMG_0119.jpeg
     
    alanp561, ratster, camcrusher and 5 others like this.
  10. lostone
    Joined: Oct 13, 2013
    Posts: 3,421

    lostone
    Member
    from kansas

  11. oldsmobum
    Joined: Apr 26, 2012
    Posts: 349

    oldsmobum
    Member
    from SoCal

  12. Model A Front Axle
    Joined: Jul 3, 2024
    Posts: 50

    Model A Front Axle
    Member
    from Yuma, AZ

    We are going to do a 4 inch chop, but we are going to drop the back window, so I still have a back window haha, its only 8 inches for the back, chopping 4 and you might as well just fill it in because it's just a mail slot.
     
  13. alchemy
    Joined: Sep 27, 2002
    Posts: 22,231

    alchemy
    Member

    We chopped my little brother’s A sedan when I was around 15 and he was 13. It came out nice. We had some help and advice from Dad though, and he had done an excellent chop on a 33 tudor a few years before. Then I thought I was big stuff, so I hired out and chopped a local guy’s 34 five-window by myself at 15. I still see that car driving around town a couple times each summer.

    Take your time, plan each cut, mark with a sharp scribe, sneak up to the back side of the cut line with a grinder or file, and make all your joints absolutely tight before welding. Gaps will get you garbage.
     
  14. Stan Back
    Joined: Mar 9, 2007
    Posts: 2,630

    Stan Back
    Member
    from California

    Sedan at Bonneville (Rear).jpg
    While you are at it, I'd build a roll-down back window. It would surely help air flow during the summer. I'm reminded of not doing this as for a few years I drove mine to Bonneville and back. I wish I had done that 30 years ago.
     
  15. Model A Front Axle
    Joined: Jul 3, 2024
    Posts: 50

    Model A Front Axle
    Member
    from Yuma, AZ

    We're putting AC on it, might not be the most hot rod thing ever, but here in Yuma AZ it gets HOT in the summer.
     
  16. Model A Front Axle
    Joined: Jul 3, 2024
    Posts: 50

    Model A Front Axle
    Member
    from Yuma, AZ

    Makes sense, but was it a good chop?
     
  17. oldsmobum
    Joined: Apr 26, 2012
    Posts: 349

    oldsmobum
    Member
    from SoCal

    I wouldn’t worry about it. Occasionally guys from cooler climates say something snarky but they don’t understand that in places like AZ the whole car is built around the climate… Optional features in coastal socal are not so much in Phoenix…
     
  18. Model A Front Axle
    Joined: Jul 3, 2024
    Posts: 50

    Model A Front Axle
    Member
    from Yuma, AZ

    Exactly, and because I plan on it being daily driver and the summers are brutal, cause when you have a 6-month summer spanning from May to October, it's best to have comfort over style.
     
  19. Outback
    Joined: Mar 4, 2005
    Posts: 3,149

    Outback
    ALLIANCE MEMBER
    from NE Vic

  20. alchemy
    Joined: Sep 27, 2002
    Posts: 22,231

    alchemy
    Member

    It’s my mantra for any metal work. Plan ahead, make accurate cuts, and fine tune for no gap. I use TIG weld on sheet metal, but the same method for use with MIG. You are getting the weld done, not spending extra time and heat filling gaps.
     
  21. Grumpy ole A
    Joined: Jun 22, 2023
    Posts: 239

    Grumpy ole A
    Member

    Besides, remember it’s your car to build as you want it. That’s not saying, it’s my car I will do as I want, sorry used that old song “It’s my party”.
     
    oldsmobum likes this.
  22. mickeyc
    Joined: Jul 8, 2008
    Posts: 1,426

    mickeyc
    ALLIANCE MEMBER

    Man that is impressive to see a couple of young guys willing and wanting to do and learn these skills.
    Most 17-year-old guys want to spend their time at the mall or doing computer stuff. It makes me glad to see this.
     
    alanp561, mad mikey and oldsmobum like this.
  23. Model A Front Axle
    Joined: Jul 3, 2024
    Posts: 50

    Model A Front Axle
    Member
    from Yuma, AZ

    I hear old song references near daily, I get it.
     
  24. Model A Front Axle
    Joined: Jul 3, 2024
    Posts: 50

    Model A Front Axle
    Member
    from Yuma, AZ

    Yeah, I would hate having to fill any gaps, sounds like an absolute pain to deal with when I'm just trying to get my car finished.
     
  25. Model A Front Axle
    Joined: Jul 3, 2024
    Posts: 50

    Model A Front Axle
    Member
    from Yuma, AZ

    I know, all of my friends want to go into computers, or graphic, and while that stuff is cool and all, first time I ever heard a flathead run in real life, I fell in love.
     
  26. I am trying to figure out how to hide the AC because I would like to put it in my little pickup when I get to that point... I love a traditional car but I also want to actually drive it.
    I have gotten kind of spoiled with my "late model" cars (They are in the '90s lol) all having air conditioning and I noticed that if it gets around 90° I tend to grab the late model and not the classic car because nobody likes to sit in traffic and sweat...
     
  27. Model A Front Axle
    Joined: Jul 3, 2024
    Posts: 50

    Model A Front Axle
    Member
    from Yuma, AZ

    It's one thing to sit in traffic, it's one thing to sweat, it's a whole different story to do both at the same time.
     
  28. Paul B
    Joined: Sep 29, 2007
    Posts: 966

    Paul B
    Member

  29. I did my 30 two door back in the 70's. Four and a half inches seemed just right. Pretty straightforward. When welding the rear section tacking from rear window and rear side window you end up with more on top than bottom. Takes some shrinking and stretching. Most guys just make slits. That makes for much more finish work. IMG_7823.jpeg
     
    alanp561 and camcrusher like this.
  30. Speccie
    Joined: May 22, 2021
    Posts: 412

    Speccie

Share This Page

Register now to get rid of these ads!

Archive

Copyright © 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Terms of Service. Privacy Policy.

Atomic Industry
Forum software by XenForo™ ©2010-2014 XenForo Ltd.