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Thread: 9 inch ford in a model a frame
          
   
   

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  1. #1
    SUPERDELUXE is offline CHR Member Visit my Photo Gallery
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    9 inch ford in a model a frame

     



    Hello ! Starting to work on a '26 ford coupe project. The body is un-channelled on a 30-31 frame. I'd like to use the original rear spring directly over top of a 9 inch ford rear. My question is, will this be feasable? Or will the car sit way too high? I'm bucking the latest trend of "how low can you go". The roof will not be chopped, but i plan on lengthening the frame several inches to avoid cutting the firewall. Power will be a 1957 chrysler 392 in front of a richmond t-10. Anyone else tried this rear suspension set up? Thanks in advance.

  2. #2
    rspears's Avatar
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    Wouldn't it all depend on the configuration of your spring shackle mounts on the axle? If they extend below the axle tubes you set the height where you want, right?
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  3. #3
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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    Here's a narrowed housing from Honest Charley......
    Rear End Housing, 9 Ford, Buggy-Spring

    "but i plan on lengthening the frame several inches to avoid cutting the firewall."
    Excellent. You think like I do. Let the wheelbase end up wherever it ends up.
    o
    o
    Last edited by techinspector1; 09-12-2013 at 09:13 PM.
    PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.

  4. #4
    rspears's Avatar
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    Excellent picture, Tech! Those spring mounts can extend down as far as you want, provided they're properly braced and gusseted, to get your ride height set.
    rear-end-housing-9in.jpg
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  5. #5
    SUPERDELUXE is offline CHR Member Visit my Photo Gallery
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    Like i stated earlier, the spring will be directly over the axle,not behind it. I want the rear wheel centered in the fender indent.anyone have photos of a similar rear set-up?

  6. #6
    SUPERDELUXE is offline CHR Member Visit my Photo Gallery
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    Like i stated earlier, the spring will be directly over the axle, not behind it. I want the rear wheel centered in the fender indent. Anyone have photos of a similar rear set-up? The spring perches will be welded to the top of the axle housing. I have an old 10 bolt open rear to use for mock up purposes. I'll sacrifice a pair of spring perches to see how high the car sits.

  7. #7
    rspears's Avatar
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    I'd move the rear cross member back to put the spring behind the axle, and the axle centered as it should be. You can also bias the cross member up on the frame to help drop the rails a bit more.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  8. #8
    jerry clayton's Avatar
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    You can use the spring mounted directly over the axle but it is going to take some serious re-arch/ de arching of the spring leaves-also, how are you planning on holding the rear in place---parallel 4 bar? triangulated 4 bar? 3 link?
    lamin8r likes this.

  9. #9
    rspears's Avatar
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    Quote Originally Posted by jerry clayton View Post
    You can use the spring mounted directly over the axle but it is going to take some serious re-arch/ de arching of the spring leaves-also, how are you planning on holding the rear in place---parallel 4 bar? triangulated 4 bar? 3 link?
    Sorry for another post, but reading Jerry's post I'm thinking that not only would you have to de-arch the springs, with that much de-arch you'd likely have to have them shortened, too. Seems to me that you're going to destroy the "look" of that transverse spring by pushing it up and flattening it out, and that it would look and function better tucked behind the axle. You may not agree, and that's OK too.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  10. #10
    jerry clayton's Avatar
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    I think this mounting would be better behind the axle also but he does want to put a hemi and a 4 speed in it----------anything but a 350/350!!!!!!!!!!!!!!!!!

  11. #11
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    I have to agree with the spring in the back. I built a 31 Coupe with the
    stock spring over the axle (57 chevy) I spent a lot of time having the spring shortened
    'eyes reversed, and rerolled. Ended up with 4 leaves in the spring. This was
    with a 4" channel. It could be done by Zing the rear frame, now you need to
    modify the body sub frame.

    Here's a link to some related info to pick thru:

    THE H.A.M.B.

    Rich

  12. #12
    SUPERDELUXE is offline CHR Member Visit my Photo Gallery
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    I don't want to modify the original trunk floor, and was considering using a pair of ladder bars to keep the rear in place. I've already purchased an "x" member kit and boxing plates, but i don't want to weld anything in until i decide on the finished wheelbase. The '26 body is in gorgeous shape [ it came from a restored car that someone parted out] and i don't want to molest it. Why would the spring have to be de-arched? THE BODY\FRAME COMBO IS ON JACKSTANDS AT WHAT I'M GUESSING WOULD BE RIDE HEIGHT, AND I STOOD UP A 225\70\15 TIRE IN PLACE. IT LOOKS PRETTY GOOD. I HAVEN'T DECIDED TO RUN IT FENDERLESS,STOCK FENDERS,OR STOCK REAR FENDERS WITH FORD SPARE TIRE COVERS CONVERTED TO INDEPENDANT AND TURNABLE FRONT FENDERS.
    Last edited by SUPERDELUXE; 09-13-2013 at 09:39 AM.

  13. #13
    rspears's Avatar
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    Quote Originally Posted by SUPERDELUXE View Post
    Why would the spring have to be de-arched?
    Because it'll sit a mile high with the spring atop the axle. Forget the transverse leaf and get a set of coilovers with a triangulated 4-bar link and be done with it. Trunk floor remains "unmolested", crossmember is unmodified, and you just add mounts to frame & axle. Ladder bars are not a good idea, either - they twist the axle as it moves up & down. 4 Link is better & triangulated 4 link eliminates the need for a panhard bar.
    Last edited by rspears; 09-13-2013 at 09:40 AM.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  14. #14
    SUPERDELUXE is offline CHR Member Visit my Photo Gallery
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    It might look good "a mile high"
    NTFDAY likes this.

  15. #15
    rspears's Avatar
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    Quote Originally Posted by SUPERDELUXE View Post
    It might look good "a mile high"
    It sounds like you've already made up your mind, so I'll wish you best of luck with your build, and hope you'll post pictures as you go along. A belated welcome to CHR, by the way.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

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