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jeep frames

Discussion in 'Early CJ5 and CJ6 Tech' started by givemethewillys, Dec 8, 2010.

  1. Dec 8, 2010
    givemethewillys

    givemethewillys Sponsor

    New Kent, VA
    Joined:
    Jun 21, 2005
    Messages:
    905
    I don't know if anyone on the east coast needs a new frame, but this guy states that he has a bunch of old jeep parts.http://annapolis.craigslist.org/pts/2072007827.html

    One question that I had was: He says he has a 1955 CJ-5 frame. If I remember correctly, 1955 had the reverse shackles right? Is there any reason that this would be better than my current 1957 frame?
     
  2. Dec 9, 2010
    Rondog

    Rondog just hangin' out

    Parker, CO
    Joined:
    Aug 25, 2005
    Messages:
    2,924
    My '56 has them too. Think they changed mid-year of '56 or '57. I can't speak of the benefits, but I've heard of guys modifying their frames to be reverse shackle.
     
  3. Dec 9, 2010
    givemethewillys

    givemethewillys Sponsor

    New Kent, VA
    Joined:
    Jun 21, 2005
    Messages:
    905
    OK Thanks Rondog, in that case I think I'll skip on a new frame. There's nothing wrong with mine (after I fixed all of the cracks) but I though I'd ask just in case.
     
  4. Dec 11, 2010
    Canadian 62

    Canadian 62 Member

    Kelowna BC
    Joined:
    Jul 6, 2006
    Messages:
    61
    The shackle on the rear of the front spring does 2 things.
    One it gives you a better approach angle when off roading. (more front ground clearance under the bumper)
    Secondly it is more of a natural motion for the spring to take when bumping over a large rock. It sort of gives to the rear shackle in stead of being fixed and solid.
    Some say it tracks better on the hwy as well.
    It is an expensive upgrade kit to make it the military design of the M38A1.
     
  5. Dec 11, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
    Joined:
    Sep 22, 2002
    Messages:
    8,371
    Although in the world of building/ owning a Jeep, 300 or so bucks isn't a huge amount of money.:)
     
  6. Dec 11, 2010
    Canadian 62

    Canadian 62 Member

    Kelowna BC
    Joined:
    Jul 6, 2006
    Messages:
    61
    And well worth it if you are going to off road your jeep. Or put the $300 towards the frame.
     
  7. Dec 11, 2010
    Hawkes

    Hawkes Member

    Nova scotia
    Joined:
    Jun 18, 2003
    Messages:
    489
    With stiff springs like the stock ones it may not matter, but if your springs are flexy you may need more driveshaft slip spline.
     
  8. Dec 11, 2010
    kaiser_willys

    kaiser_willys Well-Known Member

    Joined:
    Jan 7, 2007
    Messages:
    1,524
    interesting topic, anybody know why they changed from the a1 design? heck chevy was doing it untill at least 1987 that i know of. I never really thought about why they changed design untill now......
     

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