Pics of 4 link systems

Discussion in 'Suspension, Steering and Chassis' started by fishy68, Nov 4, 2018.

  1. fishy68

    fishy68 Tyr Fryr's Inc. FABO Gold Member

    Messages:
    16,695
    Likes Received:
    681
    Joined:
    Jan 11, 2005
    Location:
    Central, IL (Hooterville)
    View My Photos
    Local Time:
    7:06 PM
    Anyone here done a 4 link on their A-body? If so I'd sure like to see some pics. Especially of cars with full exhaust systems cause I'd like to retain tailpipes. Thinking about doing it on my Cuda over the winter. Haven't decided which would be better/easier to do, parallel 4 link with panhard bar or triangulated 4 link

    Thanks, Tracy
     
  2. Cope

    Cope Well-Known Member

    Messages:
    1,975
    Likes Received:
    1117
    Joined:
    Oct 20, 2009
    Location:
    South Lake Tahoe
    Local Time:
    7:06 PM
    If you're gonna four link, thank about what you want it to do and why.

    Parallel is not great unless it the front end of a 4x4. (Even then it's not great)

    You need to think about the total arc you want vs. The deflection of your joints.

    Drag race, auto cross?
     
    • Thanks! Thanks! x 1
    • fishy68

      fishy68 Tyr Fryr's Inc. FABO Gold Member

      Messages:
      16,695
      Likes Received:
      681
      Joined:
      Jan 11, 2005
      Location:
      Central, IL (Hooterville)
      View My Photos
      Local Time:
      7:06 PM
      Mostly street driving but it needs to hook up good. I have a full CalTrac system (springs, bars and adjustable shocks) on it now and can't say it really hooks much better than the stock leaf springs. I have 275/60/15 Mickey drag SS radials on it. The main thing(s) I don't like about the Caltrac setup is the harsh ride and the right spring squeaks. I can probably take the spring apart and grease it to stop the squeaking but that won't do anything for the ride
       
      • Thanks! Thanks! x 1
      • fishy68

        fishy68 Tyr Fryr's Inc. FABO Gold Member

        Messages:
        16,695
        Likes Received:
        681
        Joined:
        Jan 11, 2005
        Location:
        Central, IL (Hooterville)
        View My Photos
        Local Time:
        7:06 PM
        Curious, why don't you like parallel? I've rebuilt numerous stock suspensions over the last 35 yrs. but new to the performance aspect of them
         
      • Cope

        Cope Well-Known Member

        Messages:
        1,975
        Likes Received:
        1117
        Joined:
        Oct 20, 2009
        Location:
        South Lake Tahoe
        Local Time:
        7:06 PM
        Parallel is just a ladder bar with an adjustable instant center.

        Do you need to adjust you instant center?
         
        • Thanks! Thanks! x 1
        • Cope

          Cope Well-Known Member

          Messages:
          1,975
          Likes Received:
          1117
          Joined:
          Oct 20, 2009
          Location:
          South Lake Tahoe
          Local Time:
          7:06 PM
          Both do the same thing.
          They center the axle.

          The difference is the amount of twist in the joint. Where do you want twist.







          Call track it some what of a gimmick in my opinion.

          All these systems come down to instant center.

          If your pushing high your front end lifts, push low and blow the tires off..
           
          • Thanks! Thanks! x 1
          • fishy68

            fishy68 Tyr Fryr's Inc. FABO Gold Member

            Messages:
            16,695
            Likes Received:
            681
            Joined:
            Jan 11, 2005
            Location:
            Central, IL (Hooterville)
            View My Photos
            Local Time:
            7:06 PM
            Not sure. Just toying with the idea. As I mentioned above I'm green when it comes to high perf rear suspensions and i'm looking for something that'll hook better and ride better. It also looks like it may give me a little more tire clearance that the leaf springs so I can get the next wider tire under it. I just found a book on Amazon I'm thinking about ordering. Seems Chris Alston has quite a bit of input on the subject so I think I can trust it

            Thanks for your replies
             
          • Cope

            Cope Well-Known Member

            Messages:
            1,975
            Likes Received:
            1117
            Joined:
            Oct 20, 2009
            Location:
            South Lake Tahoe
            Local Time:
            7:06 PM
            If your gonna remove the frame rails and back half the car, go triangle.
             
            • Thanks! Thanks! x 1
            • fishy68

              fishy68 Tyr Fryr's Inc. FABO Gold Member

              Messages:
              16,695
              Likes Received:
              681
              Joined:
              Jan 11, 2005
              Location:
              Central, IL (Hooterville)
              View My Photos
              Local Time:
              7:06 PM
              Wasn't planning on going that far. I've seen pics online of a couple systems that install without ripping out the whole back end. Can't afford one of those high dollar setups but I have the tools and ability to build my own. Just looking for input, and hopefully some pics of guys here that did their own
               
            • Cope

              Cope Well-Known Member

              Messages:
              1,975
              Likes Received:
              1117
              Joined:
              Oct 20, 2009
              Location:
              South Lake Tahoe
              Local Time:
              7:06 PM
              I'm building both, first I'm building a parallel for our shop truck, because that's easier for the steering to work around.

              Second I'm gonna build a trianglelated for our drag car.

              Both require a lot of thought but remember they both do the exact same thing.

              The difference is the panhard bar. That bar is all that hold your axle side to side.

              It has limits as to how far it can rotate do to its mount.

              No telling what failed first in our last set up but something let go. I'd bet the Panhard locked up causing the parallel links to bind. Then all hell broke loose, pinion sheared off, the axle twisted, the the four link bent and the drive shaft wanted to be in the car.
               
              • Thanks! Thanks! x 1
              • mopardude318

                mopardude318 Well-Known Member

                Messages:
                10,687
                Likes Received:
                314
                Joined:
                Jan 7, 2005
                Location:
                Gilroy, Ca
                Local Time:
                5:06 PM
                I have the RMS street Linx kit installed into my car.. it's a triangulated setup. I had intentions of driving on the street.
                 
                • Thanks! Thanks! x 2
                • AAndrews

                  AAndrews Supercuda

                  Messages:
                  301
                  Likes Received:
                  218
                  Joined:
                  Nov 5, 2014
                  Location:
                  St. John's, Newfoundland, Canada
                  Local Time:
                  9:36 PM

                  Here's a pic of my Streetlynx setup. A breeze to install, adjustable coilovers and a rear sway. Check the second pic for how well this setup tucks up into the car even with rear exiting exhaust.


                  DSCN4826.JPG

                  DSCN5187.JPG DSCN4825.JPG
                   
                  • Like Like x 2
                  • Thanks! Thanks! x 2
                  • Mtrhead

                    Mtrhead Well-Known Member

                    Messages:
                    261
                    Likes Received:
                    18
                    Joined:
                    Sep 19, 2018
                    Location:
                    S.C.
                    Local Time:
                    8:06 PM
                    Nice setup..looks simple enough to fab up
                     
                  • 70chall440

                    70chall440 Mopar or No Car...

                    Messages:
                    84
                    Likes Received:
                    53
                    Joined:
                    Jun 9, 2018
                    Location:
                    Yelm WA
                    Local Time:
                    5:06 PM
                    If you are going to drive it hard like road race or Auto X, triangulated is the way to go. If you are drag racing, parallel works great (lots of adjustability). If you are just driving it on the street, leaf springs will get it done with a good sway bar and shocks.
                     
                    • Agree Agree x 1
                    • Mtrhead

                      Mtrhead Well-Known Member

                      Messages:
                      261
                      Likes Received:
                      18
                      Joined:
                      Sep 19, 2018
                      Location:
                      S.C.
                      Local Time:
                      8:06 PM
                      Ty you just answered all my questions and some.
                       
                    • 70chall440

                      70chall440 Mopar or No Car...

                      Messages:
                      84
                      Likes Received:
                      53
                      Joined:
                      Jun 9, 2018
                      Location:
                      Yelm WA
                      Local Time:
                      5:06 PM
                      Welcome. Of course like anything there are a lot of varied opinions on this, but if you step back and look at it objectively and factor in what the car will be used for, or better said what you want out of the suspension, I stand by my statement. Of course the best is IRS but that is opening a whole other can of worms :)
                       
                      • Agree Agree x 1
                      • fishy68

                        fishy68 Tyr Fryr's Inc. FABO Gold Member

                        Messages:
                        16,695
                        Likes Received:
                        681
                        Joined:
                        Jan 11, 2005
                        Location:
                        Central, IL (Hooterville)
                        View My Photos
                        Local Time:
                        7:06 PM
                        I wondered about the limits with the panhard bar too. Thanks for the info. Sounds like triangulated is the way to go

                        Wow! Carnage is always ugly.
                         
                      • fishy68

                        fishy68 Tyr Fryr's Inc. FABO Gold Member

                        Messages:
                        16,695
                        Likes Received:
                        681
                        Joined:
                        Jan 11, 2005
                        Location:
                        Central, IL (Hooterville)
                        View My Photos
                        Local Time:
                        7:06 PM