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Thread: Rear buddy spring on a model A
          
   
   

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  1. #1
    SDLuck is offline CHR Member Visit my Photo Gallery
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    Question Rear buddy spring on a model A

     



    I have a 1929 model A roadster I have had it for a while .It has a 9.3 olds/pont rear.It rides hard the shackles and spring are up against the rear end instead of 45 degree. I went to check the spring leaves to see how many are there. There are only one.When I put the car on jack stands and put a jack under the rear I can get the spring shackles to a 45 degree position.I took the spring out it measures 42 1/2 inches with the spring perches at 48. Information I have foundinformation that said take spring width add 5 inches to it and set the perches which is real close to what I have.I think the single stock leaf is to soft. I have a extra front leaf spring complete can I use leafs off of to try or do anyone have a different Idea?
    Thank You



    spring 42 1/2 + 5 =47 1/2 mounts on rear End 48 inches

  2. #2
    34_40's Avatar
    34_40 is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 34 Ford 3W Coupe Replica
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    The original spring is NOT a single leaf! I've got an original in the shop right now, and it has to be 5 or 6 leaves thick.. I can snap a pic if you want to see an original setup. In fact I'm going to replace it and have the new unit on the floor waiting for me.

  3. #3
    sharpmark is offline CHR Member Visit my Photo Gallery
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    heres a picture of a correct setup
    http://i290.photobucket.com/albums/l...k/P1010751.jpg

    front spring is completely different.
    you call it a buddy spring,do you have coilovers as well in there or some other suspension??
    some pictures would help clarify the problem.

    .
    Last edited by sharpmark; 05-08-2014 at 01:52 AM. Reason: photo didn't come out
    mark
    1969 chev C10 stepside-305/4speed/12bolt
    1934 oldsmobile sedan-350/350/12bolt
    1928 model a roadster-project-283/350/9"
    1924 dodge modified - 292 i6/pwrglde/quickchange rear

    "its only a hobby " --- no its not , its a lifestyle !!!!

  4. #4
    SDLuck is offline CHR Member Visit my Photo Gallery
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    Sorry buggy spring,I know the single leaf is not correct and that the front spring is different My question is the spring mounting looks to be correct.Is the spring just to soft.I wanted to know if leafs from the front spring can be used on the rear to stiffen it up to see if this fixes the problem. There are no other suspension. The suspension is out of the car.I can post pictures of the parts.How do I post pictures on this site?Thanks for the replies

  5. #5
    rspears's Avatar
    rspears is offline CHR Member/Contributor Visit my Photo Gallery
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    As for pictures, the options are pretty clearly spelled out here - http://www.clubhotrod.com/shop-talk/...es-thread.html

    On your spring you need the added leaves with the proper arch and length to learn anything of value. Using front spring leaves won't work right. A good spring shop, like the ones that work on big trucks, can re-arch and re-temper your spring to get it back in shape, or for $100 plus the ride you can get a brand new one - High Arch Transverse Rear Leaf Spring, 39 Inch - Speedway Motors, America's Oldest Speed Shop
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  6. #6
    SDLuck is offline CHR Member Visit my Photo Gallery
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    My question is what is the correct spring width? I can't have one made or buy one until I know the length.My spring perch is 48 inches. 48-5=43 inches so is the formula correct? I need a 43 inch spring?

  7. #7
    SDLuck is offline CHR Member Visit my Photo Gallery
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    Thank you for replies,I know spring shops ,speedway and some others,but I have to give them length on what I want.

  8. #8
    SDLuck is offline CHR Member Visit my Photo Gallery
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    Smile spring

     



    After looking at pictures,the spring doesn't have a high arch to it,so I suspect it to be something different,possible a 40 spring.Can someone post dimensions of a 40 spring? Thank you

  9. #9
    SDLuck is offline CHR Member Visit my Photo Gallery
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    Cool Help

     



    Any Help out there guys?:

  10. #10
    34_40's Avatar
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    I can't get you the measures on a 40 spring... but I believe Sharpmark has shown what I wanted to. I've got nothing for you.. sorry! maybe someone else has something to offer?

  11. #11
    rspears's Avatar
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    Maybe Ryan will see this and reply with a measurement off of his '40 sedan. Or you could call the guys at Eaton? Link - Eaton Detroit Spring Tech Questions The FAQ's on their website provide a ton of good information.
    Last edited by rspears; 05-09-2014 at 07:31 AM.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  12. #12
    SDLuck is offline CHR Member Visit my Photo Gallery
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    Smile Buggy spring

     



    Thanks Sparkman for the picture,that is not the spring on my car.So I assume my spring is from a 40 ford.It is much flatter.I will post a picture later.

  13. #13
    SDLuck is offline CHR Member Visit my Photo Gallery
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    Sorry ,it should be Sharpmark

  14. #14
    sharpmark is offline CHR Member Visit my Photo Gallery
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    40 ford springs on the rear are quite common so you may have one of those.if another website (hamb) wasn't off line i could go into mysaved stuff and get you the measurements you need to know.
    look forward too seeing some photo's

    .
    mark
    1969 chev C10 stepside-305/4speed/12bolt
    1934 oldsmobile sedan-350/350/12bolt
    1928 model a roadster-project-283/350/9"
    1924 dodge modified - 292 i6/pwrglde/quickchange rear

    "its only a hobby " --- no its not , its a lifestyle !!!!

  15. #15
    rspears's Avatar
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    Now this is a Posie's spring for '37 to '40, not OEM but I would think it would be the same dimension other than the 2.5" drop built in - Garage Sale - Posies Super Slide Spring, 1937-40 Ford Rear Leaf Spring, 2-1/2 Inch Drop - Speedway Motors, America's Oldest Speed Shop
    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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