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J bolts

Discussion in 'The Hokey Ass Message Board' started by BLUDICE, Sep 30, 2010.

  1. BLUDICE
    Joined: Jun 23, 2006
    Posts: 1,516

    BLUDICE
    Member

    What are J bolts and how do you use them to lower your front coils. Where can I find them too?
     

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  2. Malpass
    Joined: Sep 18, 2005
    Posts: 519

    Malpass
    Member

    don't. if one pops out while you are on the road God only knows what kind of damage it can do. go with cut coils.
     
  3. hoggyrubber
    Joined: Aug 30, 2008
    Posts: 572

    hoggyrubber
    Member

    i'd say they are bolts shaped like a j and cranked down to compress coil spring, like some of the spring compressors work. i'm sure if you have to lower it you could make some, or cut your coils, or enjoy the comfortable ride you have now.
     
  4. Weasel
    Joined: Dec 30, 2007
    Posts: 6,696

    Weasel
    Member

    Do it properly - get shorter coil springs rated for your ride. J bolts are pure 'Redneck Engineering' where safety is never a consideration....
     
  5. Mr48chev
    Joined: Dec 28, 2007
    Posts: 36,009

    Mr48chev
    ALLIANCE MEMBER

    J bolts or spring spacers either one aren't legal in several states anymore either. As the others said they can fail and usually fail at the wrong time. If you can afford it buy a pair of dropped spindles otherwise use a set of custom made lowering coils or cut the coils.
     
  6. YBlockCruizer
    Joined: Jan 15, 2008
    Posts: 107

    YBlockCruizer
    Member

    I agree with all the above, but if I may, a short story about J-bolts.

    It was 1959 when I ask my Dad if it would be Ok to lower my '57 Ford. His answer was "No! but Hell No!" They will ruin your ride! Months p***ed by and Christmas rolled around and under the tree was a small but heavy box. I couldn't imagine what it could be. You guess it, a set of J-bolts from my Dad, He got them from JC Whitney, I believe.....I do miss him, he was a good Dad...
     

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  7. propwash
    Joined: Jul 25, 2005
    Posts: 3,857

    propwash
    Member
    from Las Vegas

    I believe I used the term J-bolts in an earlier question regarding how cars were lowered in the 'olden days'. I concur with the wisdom proffered in this particular thread - don't do it. We were HS kids....all we wanted was a rake. J-bolts did the trick, but regularly broke or bent, or sometimes just popped out - each occasion resulting in great noise, unwanted thrills as the suspension recovered in various ways. This is NOT a good thing to do...but to us it was less permanent than heating the coils. Once we understood the term 'reversed spindles', things got safer.

    dj
     
  8. 29nash
    Joined: Nov 6, 2008
    Posts: 4,542

    29nash
    BANNED
    from colorado

    J-bolts hazardous?

    If you pull the coils down 3 inches with j-bolts and one of them breaks, the result will be similar to going over a bump, hearing a "thump" and the front end of the car will hardly react at all. Ask me how I know.

    I guess if both of them should break simultaneously, the front end might jump up 3 inches?? Hazardous? I think-Not. (Unless you are under there and the broken piece happens to smack you). Ha.
     

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