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Rear buggy spring /shackle issue

Discussion in 'The Hokey Ass Message Board' started by Dave29, Jun 26, 2012.

  1. I removed 4 leaves from the rear transverse buggy spring on my roadster when I installed tube shocks to dampen the ride. When built & delivered to me, the car did not have rear shocks.
    Will removing leaves from transverse buggy spring cause the shackle angle to change?
    The rear shackles of my roadster are approx. at a 10 degree angle when the car is sitting, not the correct 40-45 angle. If I jack the rear up from the frame approx. 2-3”, the shackles regain the 45 angle. I have a 2” block on top of the spring to raise the rear of the car. With the car sitting on the ground, the distance between the rear shackle mounts is 40.750”. The spring’s eye/eye distance is 40” with the car on the ground.
    Should I replace the spring with one that has a shorter eye/eye distance?
    Thoughts and opinions please.
  2. sideshowrob
    Joined: Apr 14, 2008
    Posts: 167

    from australia

    When you take the leafs out the spring sits flatter ie wider. Shorter main leaf will fix it but can be hard to workout the right length.
  3. I'm thinking about adding a couple of leaves to see what happens.
    Not too difficult, just pain...
  4. If you add some leaves and remove some or all of the block you have on top of the spring, you may get the same ride hight with better shackle angle

  5. landseaandair
    Joined: Feb 23, 2009
    Posts: 4,411

    from phoenix

    You could shorten the main leaf but since you have an allowance for the added height, just have it re arched.
  6. nutter_street_rodder
    Joined: Sep 16, 2011
    Posts: 75

    from Nevis MN

    why not reroll the eyes an inch shorter per side (maybe even reverse them) & add leaves above or below the top leaf for ride height?
  7. Thanks guys for replying to my problem. The HAMB has taught me a lot and using the search is like having a hot rod libraryat home. I'm going to dig into it this weekend. On vacation next week. I'll be in the garage and hopefully on the road.
  8. Don's Hot Rods
    Joined: Oct 7, 2005
    Posts: 8,319

    Don's Hot Rods
    from florida

    I had to have a shorter main leaf made for the rear leaf spring on my 27. A local truck spring shop whipped it up with no trouble. I did that because I had the same problem as you, the shackles ended up at the wrong angle. With a little measuring and figuring, you will be able to get one made that is a couple of inches narrower than what you have now.

    Just one way to do it.

  9. F&J
    Joined: Apr 5, 2007
    Posts: 13,222


    If you have any type of press, even a cheapie, try re-arching each leaf.

    I've done it for the exact same reason.
  10. Cool beans. I can't wait until Saturday to get to it!

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