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  • 1 Post By Henry Rifle
  • 2 Post By DA34GUY
  • 1 Post By 31modelA
  • 3 Post By 31modelA

Thread: coil overs instead of leaf spring on front of model A
          
   
   

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  1. #1
    31modelA's Avatar
    31modelA is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 31 5w coupe
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    coil overs instead of leaf spring on front of model A

     



    Hey Guys, looking for ideas and pics of coilovers used on the front axle of Model A's.
    I have a 31 model A with a suicide front end that I want to put back under the frame. But Im thinking of using coilovers instead of the leaf spring.Looking for ideas on how to mount them to frame and to axle. Any of you guys done this?And have pics? Pete and Jakes is the only place I've found that has a kit but cant see by the pics how they are mounted to the axle.

  2. #2
    Henry Rifle's Avatar
    Henry Rifle is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 34 Ford Low Boy w/ZZ430 Clone
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    Funny you should ask.

     



    Mine is a '34, but the same mechanics apply. It's a full P&J chassis with the frame narrowed in front The first two pictures are during construction. The last two pictures are the final assembly. I had to change the shocks because first set were the wrong length.

    You have to be really careful in choosing the shock length and spring weight. Although they are adjustable, there is a very narrow "sweet spot" where the weight is supported, the ride height is correct and the appropriate bounce and rebound are maintained.

    Mine was particularly difficult because there is only one top and one bottom mount on each side. Simply moving the adjustable bottom spring retainer won't solve everything on a bad choice of length and spring weight. Adjusting spring length just affects too many variables.

    My advice is to get the front of your car on scales to determine the weight supported by the front springs. Then you can work with spring rates, and shock lengths and shock bounce/rebound to get the appropriate distance between upper and lower mounts.

    Also remember the appropriate locations to attach the Panhard bar. The attachment point on the frame and on the axle need to be the same height from the ground.

    IMG_0007.jpg

    IMG_0005.jpg

    Axle2.jpg

    IMG_4199.jpg
    Last edited by Henry Rifle; 09-19-2014 at 09:12 PM.
    36 sedan likes this.
    Jack

    Gone to Texas

  3. #3
    DA34GUY's Avatar
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    Car Year, Make, Model: 32Roadster/always buildin sumthin
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    Here's another set up for you 2 consider
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    36 sedan and RichB like this.
    When I get to where I was goin, I forgot why I went there>

  4. #4
    31modelA's Avatar
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    Car Year, Make, Model: 31 5w coupe
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    Those are some awsome cars guys!! thanks for the pics and advice. first question that comes from the pics is, why the tube axles, just preference or peticular reason. and second using the tube axle with hairpins instead of a 4bar setup. all I read about is how you shouldnt use a ridgid tube axle with hairpins, a flexable I beam axle is prefered.
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  5. #5
    31modelA's Avatar
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    Great cars and pics guys, Thanks. I replied days ago with an attachment but Im new so it doesn't post right away.

  6. #6
    31modelA's Avatar
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    Car Year, Make, Model: 31 5w coupe
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    Front end work has begun

     



    Stripped off the old suicide front end, now starting the 4 bar install.
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    HWORRELL likes this.

  7. #7
    lakeroadster's Avatar
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    Car Year, Make, Model: '69 Camaro - '31 "A" Tudor - '27 "T" RPU
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    John
    Kickin' It "Old School" From The High Plains of Colorado

  8. #8
    31modelA's Avatar
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    Front end done!

     



    Front end done!
    2015-07-28 19.50.04.jpg
    Henry Rifle, 34_40 and 36 sedan like this.

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