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Hot Rods Single shear coilover ghetto mount.

Discussion in 'The Hokey Ass Message Board' started by Timothy Weaver, Oct 2, 2020.

  1. jaracer
    Joined: Oct 4, 2008
    Posts: 2,447

    jaracer
    Member

    They were running 4 links at Indy in the 50's and a lot of those guys built hot rods.
     
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  2. tjm73
    Joined: Feb 17, 2006
    Posts: 3,488

    tjm73
    Member

    I was going to say that looks like a Foxbody Mustang 8.8 axle bracket. And then I see you said it was an 8.8.

    Foxbody mustangs have a factory mount like this.

    8.8.png

    And you can get coil overs for them so it's adaptable. As you can see they're double sheer on the shocks.
     
  3. AldeanFan
    Joined: Dec 12, 2014
    Posts: 894

    AldeanFan

    This is a good pic,
    Not all of the mustang rearends had that bracket, I had at least two mustangs in high school where the shock was mounted in single shear. I had one of those little shock brackets loosened up and was almost broken by the time I found it.
    On a stock rearend the weight is carried by the springs.
    Personally I would weld that shock bracket and not trust a single shear bolt to hold the weight of the car if I were running coil overs.


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  4. indyjps
    Joined: Feb 21, 2007
    Posts: 5,377

    indyjps
    Member

    Yeah, Id say start over, may be able to salvage some of the components.
    Do you trust that the builder checked any angles, or just held it up to the car and welded.
    Is the pinion angle anywhere close?
     
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  5. Timothy Weaver
    Joined: Oct 1, 2020
    Posts: 8

    Timothy Weaver
    Member

    Correct me if I'm wrong, but the Mustang doesn't have a panhard bar, right? Therefor the shock mount can be "left to right" since the axle goes more straight up and down.

    In my setup I have a panhard bar which means the axle travels in an arc, so my shock bushings have to be set up front to back.
     
  6. AldeanFan
    Joined: Dec 12, 2014
    Posts: 894

    AldeanFan

    Foxbody and sn95 have triangulated 4 link, no panhard bar.
    2005 and later had 3 link and a panhard bar

    If you use mustang style control arms you can get adjustable ones to tune in your suspension.


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  7. Ericnova72
    Joined: May 1, 2007
    Posts: 602

    Ericnova72
    Member
    from Michigan

    I'd remove both lower and upper single shear mounting on the coil overs, never good to have weight sitting on single shear. I wouldn't do single shear on anything less than a 5/8" bolt and beefed up bracketry.
    Remove and rotate the shocks 90°, build new upper and lower mount tabs to put shocks mounting bolts in double shear. 4 tabs per shock, 2 at top on the crossmembe tube, 2 at the bottom could even go on a cleaned up and cut smaller version of that factory lower control arm mount.
    That and fixing the panhard mount welding would be the minimum work needed.

    I'm not crazy about the single plate ladder bar mount and clevises either, but for less then drag use they may be fine??. Stuff I build is all regular drag ladder bars or 4 links with heim ends, so I don't know the strength limit of the clevis deal.
     
  8. Budget36
    Joined: Nov 29, 2014
    Posts: 13,275

    Budget36
    Member

    I put the tri angulated 4 bar under my ‘36 PU in single shear. Always bothered me. Top on the cross member will be an easy solution, I’ll have to raise up the coil overs about an inch on the bottom to make a double shear bracket for it. If it looks off with the fenders on, I’ll fill the space with tires and have more rake than I wanted, but live with it
     
  9. tjm73
    Joined: Feb 17, 2006
    Posts: 3,488

    tjm73
    Member

    A properly setup and adjusted panhard set up will have less than 1/16" lateral movement. Bushing alignment will not matter.
     
  10. Timothy Weaver
    Joined: Oct 1, 2020
    Posts: 8

    Timothy Weaver
    Member

    I really don't

    My plan now is to just pull the body off and do a once over on the whole chassis. For one thing the chassis needs to be painted (black) and it gives me the opportunity to redo the whole rear end. Plus there's some wonkiness in the steering which I think is related to the steering column and linkage more than anything. The steering column is not firmly anchored to the cab. You can twist the whole column with just a little effort.

    Time to go through and unfck this thing proper.
     

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