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Technical Grinding coil springs...

Discussion in 'The Hokey Ass Message Board' started by Truckedup, Apr 22, 2018.

  1. Truckedup
    Joined: Jul 25, 2006
    Posts: 4,660

    Truckedup
    Member

    Ok, today a guy told me you can lower a coil spring without cutting coils or heating... He say you take grind the last coil or two a smaller diameter by "flattening the outside. He claims it becomes a progressive spring and the spring will shortened under load ...?
    Bullshit or truth??
     
  2. well, it will shorten it a little
    make it progressive?
    must have a magic wand
     
  3. David Gersic
    Joined: Feb 15, 2015
    Posts: 2,734

    David Gersic
    Member
    from DeKalb, IL

  4. Belligerence
    Joined: Jan 7, 2018
    Posts: 29

    Belligerence

    I mean, theoretically? I don’t kno how you would judge what your spring rate would be compared to how much you took off. Also by grinding, the heat that you’d be introducing into the steel would temper it and change the composition


    Sent from my iPhone using Tapatalk
     

  5. KoolKat-57
    Joined: Feb 22, 2010
    Posts: 3,076

    KoolKat-57
    Member
    from Dublin, OH

    Why screw around, either pay to have it done the right way, or wait until you can afford to do it the right way.
    I have seen more car's ride and handling messed up by short cuts than I care to remember!
    KK
     
    Last edited: Apr 23, 2018
    Truckdoctor Andy and Hnstray like this.
  6. Truckedup
    Joined: Jul 25, 2006
    Posts: 4,660

    Truckedup
    Member

    I wouldn't do it.....Just wondering if anyone has seen it done... To me it sounds like a broken spring waiting to happen
     
    da34guy likes this.
  7. RMONTY
    Joined: Jan 7, 2016
    Posts: 2,540

    RMONTY
    Member

    Grinding coil springs to lower a car, and using welded chain for steering components....I don't even know what to say.....*cricket sounds*
     
    32Dan and anthony myrick like this.
  8. Belligerence
    Joined: Jan 7, 2018
    Posts: 29

    Belligerence

    I did see a truck this weekend that the main steering linkage at the knuckle was a wrench that got “welded”. Also for one of the steering box brackets


    Sent from my iPhone using Tapatalk
     
  9. Jalopy Joker
    Joined: Sep 3, 2006
    Posts: 31,235

    Jalopy Joker
    Member

    makes no sense - guess that it would weaken spring so that it partially collapses
     
  10. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    Yeah, you can do that. It will sort of work. But I don't recommend it.
     
  11. BamaMav
    Joined: Jun 19, 2011
    Posts: 6,744

    BamaMav
    Member
    from Berry, AL

    If ya turn that grinder at a right angle to the spring, it'll become shorter...........................................................................................................................................................................when the piece you cut off falls off!
     
  12. 302GMC
    Joined: Dec 15, 2005
    Posts: 7,867

    302GMC
    Member
    from Idaho

    Sounds like a lot of work. I once bought a '52 Chev that had all the outsides of the coils stick welded together while all his buddies sat on the fenders.
     
  13. It would work well, to progressively fu k the spring.
     
  14. 1940Coupe
    Joined: Aug 16, 2017
    Posts: 210

    1940Coupe

    Just buy springs with the proper spring rate and length. Springs should never be cut
     
    David Gersic likes this.
  15. wvenfield
    Joined: Nov 23, 2006
    Posts: 5,583

    wvenfield
    Member

    I'd have to think you would be better off simply cutting the spring. Doing this would weaken the spring, which would make the car sit lower but you want the car to sit lower not have weak springs.

    Springs aren't that expensive.
     
  16. drtrcrV-8
    Joined: Jan 6, 2013
    Posts: 1,709

    drtrcrV-8
    Member

    Even "Mickey Mouse" is turning over in his grave....... & Murphy is just waiting to say : "Gotcha"!!
     
  17. Murphy32
    Joined: Oct 17, 2007
    Posts: 753

    Murphy32
    Member
    from Minnesota

    Gotcha :)
     
    302GMC likes this.

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