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Technical Buggy Spring help!!!

Discussion in 'Traditional Hot Rods' started by TrueBlue23, Sep 6, 2020.

  1. TrueBlue23
    Joined: Jun 13, 2020
    Posts: 78

    TrueBlue23

    hey all,,got a little problem was hoping someone here could shed some light on for me. I purchased the medium arch spring from Speedway, to go along with my model A crossmember. I started doing some mock up yesterday and and I love the look, but I'm having some clearance issues on the sides of the crossmember where the spring comes out. I've read that you can add shims to the top to help lower the spring down some, but wasn't entirely sure about that. Also, since this is a 2" wide spring, its 1/4 in thinner than the factory Model A spring. Will that give me any trouble? Last resort is to buy a 2 1/4 in. high arch spring, as it'll solve both of my issues, BUT it will raise my rearend about 5 inches or so. Any input is greatly appreciated. IMG_8671.JPG IMG_4539.JPG IMG_3472.JPG
     
  2. sloppy jalopies
    Joined: Jun 29, 2015
    Posts: 5,154

    sloppy jalopies
    Member

    you boxed the crossmember ends, trim them out till it has plenty of clearance.
     
    X38 and TrueBlue23 like this.
  3. TrueBlue23
    Joined: Jun 13, 2020
    Posts: 78

    TrueBlue23

    haha I was trying to avoid that,,but that very well might be the route I go. Frame was built by spirit, and done nicely,,just a miscommunication about what I was planning I think.
     
  4. Note to novice builders: There is no one Model A spring.
    I don't know what vendors like Speedway sell as generic Model A springs, but factory springs varied between different body styles, particularly leaf count. E.g. a 4 door sedan rear spring is not the same as a lightweight roadster spring. They will interchange, but not necessarily with desired results.
     

  5. Also, in many cases a T spring can be a better choice.
     
  6. flatheadgary
    Joined: Jul 17, 2007
    Posts: 894

    flatheadgary
    Member
    from boron,ca

    i think your type of spring is made for a perch like a t bucket frame with a kick up instead of a cross member. i have used that type of spring on several t bucket type frames with no problem.
     
  7. general gow
    Joined: Feb 5, 2003
    Posts: 6,321

    general gow
    MODERATOR
    Staff Member

    trim the sides, and you'll probably have enough travel.
    as for the extra space, what i've done is trace the shape of the spring on some 1/8th plate, and cut out spacers, which sandwich the spring in the crossmember pocket.
     
    TrueBlue23 likes this.
  8. trey32
    Joined: Jul 27, 2014
    Posts: 297

    trey32

    Model t spring fits better...
     

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