What are these coil springs doing on the rear of my car?

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    Author Topic: What are these coil springs doing on the rear of my car?  (Read 2286 times)

    Offline R/T

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    • Johnson City TN
    What are these coil springs doing on the rear of my car?
    « on: November 28, 2005 - 04:58:12 PM »
    I got to  visit my car sunday and I took a few pics. I noticed these coil springs mounted on my car and I have owned quite a few mopars and this is the first I have seen these. My question is  basically: Why would someone put these on a Challenger? Picture is attached so you can see what I am mentioning
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    1973 Challenger (OO/=====\OO)  440 
    Hemis and Harleys
    2008 Dodge Ram Big Horn Edition  5.7 Hemi


    Offline Hopalong

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    Re: What are these coil springs doing on the rear of my car?
    « Reply #1 on: November 28, 2005 - 05:06:42 PM »
    They are booster/helper springs.  Someone probably added them to compensate for the worn out leafs :screwy:, or thought they would the car launch/handle better :nono:.  Take them off, throw them away.  If your leafs are sagging, get them re-arched, or replace them.  Shops that service semi trucks should be able to re-arch them for you.
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    Offline R/T

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    • Johnson City TN
    Re: What are these coil springs doing on the rear of my car?
    « Reply #2 on: November 28, 2005 - 05:12:21 PM »
    Thanks, I was thinking the same about removing them. I am going to look into a set of heavier leaf springs. Any suggestions ? Brands?
    I did buy this car from a Chebbie guy so maybe that explains the coil springs!!!  :walkaway: :screwy:
     
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    1973 Challenger (OO/=====\OO)  440 
    Hemis and Harleys
    2008 Dodge Ram Big Horn Edition  5.7 Hemi

    Offline MEK-Dangerfield

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    Re: What are these coil springs doing on the rear of my car?
    « Reply #3 on: November 28, 2005 - 05:14:41 PM »
    I have never seen that before. What engine do you have? If you have a big block, then judging from your pictures, you have springs that need another leaf. Espo makes after-marker springs. I recently bought a set with a 2 inch above stock height. I love them. I love not haveing air-shocks or a harsh ride.  :bananasmi :bananasmi :bananasmi

      Mike
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    Mike

    1970 Challenger - SOLD
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    Offline R/T

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    • Johnson City TN
    Re: What are these coil springs doing on the rear of my car?
    « Reply #4 on: November 28, 2005 - 05:17:01 PM »
    Mike, the Challenger was a factory 318 3speed car but it now has a 440  with a 727 auto
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    1973 Challenger (OO/=====\OO)  440 
    Hemis and Harleys
    2008 Dodge Ram Big Horn Edition  5.7 Hemi

    Offline Grancoupe

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    Re: What are these coil springs doing on the rear of my car?
    « Reply #5 on: November 28, 2005 - 05:38:28 PM »
    You gotta give the guy that did that some credit. LOL it actually looks like they are in there to stay. Just out of curiousity, how does the car ride?
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    Offline MEK-Dangerfield

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    Re: What are these coil springs doing on the rear of my car?
    « Reply #6 on: November 28, 2005 - 05:40:02 PM »
    Quote from: 71 r/t on November 28, 2005 - 05:17:01 PM
    Mike, the Challenger was a factory 318 3speed car but it now has a 440  with a 727 auto
    AHHH, thus the trouble. Big block cars have another leaf on each side due to the weight of the engine. Maybe whoever replaced the engine, didn't take this into account? Also, the torsion rods would have to be thicker on the front for a big block. Do the front tires look to be sitting low too?

      Mike
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    Mike

    1970 Challenger - SOLD
    2016 SXT+.  1 of 524 SXT+'s in Plumb-crazy for 2016.

    Offline R/T

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    • Johnson City TN
    Re: What are these coil springs doing on the rear of my car?
    « Reply #7 on: November 28, 2005 - 06:12:36 PM »
    Quote from: Grancoupe on November 28, 2005 - 05:38:28 PM
    You gotta give the guy that did that some credit. LOL it actually looks like they are in there to stay. Just out of curiousity, how does the car ride?
    The car rides very solid and doesn't squat under full throttle on takeoff. It hooks straight and doesn't have the usual mopar side step that my other mopars had . Very solid ride at highway speeds

    Quote from: MEKrunner on November 28, 2005 - 05:40:02 PM
    AHHH, thus the trouble. Big block cars have another leaf on each side due to the weight of the engine. Maybe whoever replaced the engine, didn't take this into account? Also, the torsion rods would have to be thicker on the front for a big block. Do the front tires look to be sitting low too?

      Mike

     He replaced the.930  torsion bars with the 1.00 bars when he rebuilt the front end so I don't have any suspension problems up front
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    1973 Challenger (OO/=====\OO)  440 
    Hemis and Harleys
    2008 Dodge Ram Big Horn Edition  5.7 Hemi

    Offline Chryco Psycho

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    Re: What are these coil springs doing on the rear of my car?
    « Reply #8 on: November 28, 2005 - 11:52:02 PM »
    Eaton Spring or Espo spring , Mopar ones are made in Mexico & sag in about 12 mins
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    Offline Hopalong

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    Re: What are these coil springs doing on the rear of my car?
    « Reply #9 on: November 29, 2005 - 09:22:42 PM »
    12 mins!  I usually give 'em at least 20! :wow:
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    Offline Street_Challenged73

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    Re: What are these coil springs doing on the rear of my car?
    « Reply #10 on: November 29, 2005 - 10:55:54 PM »
    Quote from: Chryco Psycho on November 28, 2005 - 11:52:02 PM
    Eaton Spring or Espo spring , Mopar ones are made in Mexico & sag in about 12 mins

    Yes, I've heard great things for Espo springs.
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    1973 Dodge Challenger......................The ongoing project. (00/----\00)
    1991 Dodge Stealth R/T Twin-Turbo....The sunny day cruiser (RTBoost)
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