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How to handle 36.5" spring perch situation...

Discussion in 'The Garage' started by steelsoldiers, Feb 13, 2004.

  1. steelsoldiers

    steelsoldiers 1/2 ton status

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    How to handle 36.5\" spring perch situation...

    Hey Y'all,
    I am hashing out the mounting of my MH front end. It has 36.5" spring centers like a Ford HPD60. If I move the perches in 2.25" on either side, I run into a problem on the driver's side. Part of the perch will be on the diff. housing. The question is, should I make a custom spring perch that has a mounting surface of 3" and a base of 2" so that the most inboard 1" is over the diff, but not welded to it? Or, should I move my spring mounts and shackles outside of the frame 2.25" on either side? Or, should I just say %$^# it and go with coil-overs on the front end[the axle already has a panhard bar attached to it]? I am certainly not an expert at suspension design so I am a little nervous about doing the coil-over approach, although I'm sure we have some guys here who could talk me through it /forums/images/graemlins/thumb.gif I know I could cut and weld up some beefy outboard spring mounts or engineer some sort of perch, but what do my cyber-buddies think/forums/images/graemlins/dunno.gif? Let me have it

    [​IMG]
    Just for reference and because I am getting worse than Supersize75 at posting photos at will. /forums/images/graemlins/grin.gif
     
  2. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    Re: How to handle 36.5\" spring perch situation...

    Heres my thoughts:

    1) No lockers
    2) No Gears
    3) Wrong spring perch width
    4) Small shafts
    5) 10 Lug
    6) Low Pinion
    7) Too close to center pinion

    Why don't you just find a 60??? What you have is nothing better and it's going to just take a ton of work to make it worth using...

    As far as your perches, if you move the mounts in the frame out your going to run into problems running a tire larger than 36" or so since the 36" spring perch width is too wide. Thats why when doing solid axle swaps in the newer trucks we need a 32" width.
     
  3. steelsoldiers

    steelsoldiers 1/2 ton status

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    Re: How to handle 36.5\" spring perch situation...

    Jason, I appreciate your thoughts and here are some counter-thoughts just for arguments sake:

    1) No lockers- I can just weld the spiders up
    2) No Gears- what's wrong with 5.13s?
    3) Wrong spring perch width- requires some fab, but not impossible
    4) Small shafts- custom upgradable, D60 owners do it all the time
    5) 10 Lug-recentered humvee wheels
    6) Low Pinion- not too bad
    7) Too close to center pinion- not as bad as your mogs;)

    Why don't you just find a 60??? What you have is nothing better and it's going to just take a ton of work to make it worth using... --Well for one thing, it's just a little bit refreshing to do something different. Sure there's a parts availability problem and it's a challenge, but it doesn't always have to be an easy bolt on operation. I may be on here in a few more weeks wanting to trade for a Dana 60 and then you can say "I told you so," but I'm going to give it a helluva shot until then.
     
  4. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Re: How to handle 36.5\" spring perch situation...

    Sell it on eBay and use the money to find a D60.

    If you still insist on using it, consider coilovers and a 4 link setup for suspension. /forums/images/graemlins/thinking.gif
     
  5. K1Orion

    K1Orion 1/2 ton status

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    Re: How to handle 36.5\" spring perch situation...

    If you're dead set on keeping this beast, move the perches and put it on the pumpkin.
    Isn't that what the jeep guys have to do for a spring over? /forums/images/graemlins/confused.gif
     

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