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Technical de arching a bumper? Anyone done it?

Discussion in 'Traditional Customs' started by Ball and Chain, Dec 26, 2013.

  1. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    I was lucky enough to find a set of desoto bumpers front and rear, i'd like to take some of the curve out of the rear. Anyone have experience with this? (running through a wheel, hydraulic press, ect) Anyone have any experience with this?

    Thanks Kevin
     
  2. Finnrodder
    Joined: Oct 18, 2009
    Posts: 2,970

    Finnrodder
    Member
    from Finland

  3. Kenneth31coupe
    Joined: Feb 24, 2010
    Posts: 670

    Kenneth31coupe
    Member
    from Sweden

    Hi Kevin. Since the Desoto rear bumper has a peak in the center and not an even radius I think an hydrualic press is the way to go.But don´t you think it will be to wide if you flattend it out. I have the same bumpers for mine and I´m planning to cut out the peak in the center and in that way narrow the bumper before chrome.

    Regards...Kenneth.
     
  4. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    I was thinking it might be a little wide after as well, so I was thinking maybe dont go quite as flat as the front or maybe trim it a bit. But then again look at cars like John Joyo's and Vern Simmon's 36s, that is a full length front on the rears...

    Thanks for the tip on the press Kenneth

     

    Attached Files:

    Last edited: Dec 26, 2013
  5. Rusty O'Toole
    Joined: Sep 17, 2006
    Posts: 9,756

    Rusty O'Toole
    Member

    What kind of DeSoto bumper? If it's like the one off my 51 good luck. A section of guard rail off the hiway would bend easier, and weigh less.

    Briz can make 37 DeSoto style bumpers any length and contour you want.

    http://www.brizbumpers.com/#!
     
  6. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    A 37 same as the pic above

     
  7. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

  8. Smokey2
    Joined: Jan 11, 2011
    Posts: 919

    Smokey2
    Member


    I think they are Spring Steel.......But with heat and a Press you should be able to flatten it.
    I know it's hard a heck to drill a hole in one.

    Good Luck
    Smoke
     
  9. I cut end down and flattened the rear using a press, cut and welded the front. These are stainless steel Plymouth bumpers.

    LincolnOutside 002.jpg

    LincolnOutside 001.JPG

    LincolnOutside 004.JPG
     
  10. kippers 34
    Joined: Feb 7, 2009
    Posts: 1,038

    kippers 34
    Member

    I was going to go to a chrome shop that still straightens steel bumpers and see if they could straighten them. If not then make a buck to keep the radius even and use my press. Then if they are to long then section them in the middle. Good luck and hope they work out for you.
     
  11. Torchie
    Joined: Apr 17, 2011
    Posts: 1,099

    Torchie
    Member Emeritus

    If you want to pull the ends in closer to the fenders while still retaining the stock bumper ends, take a section out of the center. If you aren't concerned with keeping all the curve on the ends of the bumpers, trim them to desired length and reshape the ends.
     
  12. Kenneth31coupe
    Joined: Feb 24, 2010
    Posts: 670

    Kenneth31coupe
    Member
    from Sweden

    A friend of mine cut out the center from the rear bumper and sectioned it and then installed it as a front bumper instead.The front bumper then ended up as the rear bumper.The curve of the rear bumper really fits the form of the 36 front when it´s sectioned out like this.Think it was sectioned slightly more than 4inches.No dearching needed.

    [​IMG]
    [​IMG]
     
  13. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    Thanks for the suggestions everyone!

    where can I find more pics of this roadster?
     
  14. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    For now I just said screw it and made some brackets. It looks real good from behind. There's a space, but it's more flowy than the flat tail pan and sticks out less than the stock bumper. It will have a pretty even space with the front since then grill sticks out so much further than the fenders too. ImageUploadedByH.A.M.B.1389143395.894991.jpg
    ImageUploadedByH.A.M.B.1389143418.413655.jpg
    ImageUploadedByH.A.M.B.1389143454.909857.jpg



    Posted using the Full Custom H.A.M.B. App!
     
  15. Enbloc
    Joined: Sep 27, 2004
    Posts: 1,894

    Enbloc
    Member
    from London, UK

    I did exactly what you're asking. I had a true pair of Desoto bumpers but realised what I really needed was two fronts.

    I thought I'd be clever and have the curved rear flattened to match the front and then shorten the bumper on the ends to match the width of the front.

    The metal guy who did it for me said it was one of the worst jobs he'd ever done and had the damaged shoulder to prove it! He also said he'd never encountered steel as hard as what these bumpers had been made from!

    So now I've got a flattened rear but I've hit a hiccup in that if I want to shorten it I'll end up with the outer bumper holes on the very edge of the bumper as their spaced further out than the front.
     
    Last edited: Jan 23, 2014
  16. Ball and Chain
    Joined: Mar 24, 2008
    Posts: 1,157

    Ball and Chain
    Member
    from Nor Cal

    It would be cool to see a couple pictures?

     

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