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Someone Added Coil Springs To My Rear, Why?

Discussion in 'Early CJ5 and CJ6 Tech' started by Wilesbd, Aug 22, 2022.

  1. Aug 22, 2022
    Wilesbd

    Wilesbd New Member

    Pa
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    Mar 21, 2020
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    Can someone explain to me what's going on here. This is on a 61 cj5 I bought for parts, it used to be a plow jeep. Im assuming the coil on the shock is a redneck repair for a broken shock. But whats the deal with the Coil between the leafs and frame, the brackets look aftermarket rather than homemade. Was this a common vintage mod?
     
  2. Aug 22, 2022
    68BuickV6

    68BuickV6 Well-Known Member

    Norco, CA.
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    Overload setup, seen it before, my IH has the same thing.
     
  3. Aug 22, 2022
    mike starck

    mike starck Member

    salem,oregon
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    My 1969 cj5 was a ex spray rig when I got it. Had the coil springs welded on to the axle housing between frame and axle. Tank in rear and gasoline pump in footwell on passenger side.Spray arms welded to front bumper and frame. it was worked hard. Fairly common agriculture use around farm land.
     
  4. Aug 22, 2022
    duffer

    duffer Rodent Power

    Bozeman, MT
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    Yep, a common method to increase axle loading. And you could by the "spring over" shocks for the same purpose. I still have a Dana 53 from a pickup in the bone pile with those coil brackets welded to the axle housing.
     
    mike starck likes this.
  5. Aug 22, 2022
    Keys5a

    Keys5a Sponsor

    Florida Keys
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    There were factory overload coils that mounted on brackets bolted on the side of the chassis, and clamped on top of the axle tube. These were first used on the M38a-1C. When you get a couple more posts, include a photo of what you have. They might be a fairly rare accessory part.
    -Donny
     
  6. Aug 22, 2022
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2022 Sponsor 2021 Sponsor

    Hills of NH
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    x2
     
  7. Aug 22, 2022
    Wilesbd

    Wilesbd New Member

    Pa
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    I included a pic in the original post, I'm guessing you guys can't see it?

    Are the coils worthwhile to transfer to the 59 of rebuilding?
     
  8. Aug 23, 2022
    Siskiwit

    Siskiwit Member

    Northern Wisconsin
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    Aug 13, 2016
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    67
    I have a 46 and will be turning it into a farm Jeep with the few parts I have a gathered through the years. Would you be willing to sell the brackets? Don’t need the coils just the brackets.
     
  9. Aug 23, 2022
    Wilesbd

    Wilesbd New Member

    Pa
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    I haven't decided yet if I want to keep them or not, but I did see Amazon sells a pretty similar set with coils for $40.
     
  10. Aug 23, 2022
    jeepstar

    jeepstar Well-Known Member 2023 Sponsor 2022 Sponsor 2021 Sponsor

    Sheboygan
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    Cannot see images
     
  11. Aug 23, 2022
    Jw60

    Jw60 It's not flat, it's aired down. 2022 Sponsor 2021 Sponsor

    Sedalia MO.
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    I've also seen the overload springs both coil over shock and independent. The coil spring rate is different than the leaf spring, it'll ride smoother when unloaded with the coils vs the HD leaf springs.
     
  12. Aug 23, 2022
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2022 Sponsor 2021 Sponsor

    Hills of NH
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    We want pictures!
     
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  13. Aug 23, 2022
    Fyr-guy

    Fyr-guy New Member

    British Columbia
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    Sep 25, 2017
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    I've seen these kinds of overload springs on trenchers, fire jeeps etc. I suppose that they were a factory add on available for special order.
     
  14. Aug 27, 2022
    Tom_Hartz

    Tom_Hartz Member 2023 Sponsor 2022 Sponsor 2021 Sponsor

    North Carolina
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    Like PeteL said.
     
  15. Aug 28, 2022
    termin8ed

    termin8ed I didn't do it Staff Member

    Mason, MI
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    I can see it which probably means you need to make it public and not private.
     
  16. Aug 28, 2022
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2022 Sponsor 2021 Sponsor

    Hills of NH
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    Do they look like these M38A1-C/D type?

    M38A1C Springs kit.jpg
     
  17. Aug 29, 2022
    Wilesbd

    Wilesbd New Member

    Pa
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    Thanks that looks like it was the issue.
     
  18. Aug 29, 2022
    Wilesbd

    Wilesbd New Member

    Pa
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    Nope definitely wasn't a m38a1 setup, appears it was just run of the mill aftermarket overload springs. Amazon still sells a very similar set.
     
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