Kickdown linkage question #3 w/video

Transmission and Drivetrain Tech

  1. Tad

    Tad Well-Known Member

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    39E22765-C886-4D57-9BD6-88940726F1B7.jpeg AF028629-49FF-451D-8990-263A2516CB9E.jpeg 7EF76795-D8D8-4849-9ACE-43D4E1CB91D5.jpeg Finally got linkage adjusted and in the right space. I can’t seem to get full throttle on the carburetor when it’s hooked up. The kickdown linkage doesn’t move far enough back to allow full throttle at the carburetor.
     
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    • Garrett Ellison

      Garrett Ellison Amateur driver on public roadway, do not imitate.. FABO Gold Member

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      I'm thinking you'll have to adapt to a complete later type kick down assembly to use the ThermoQuad.
       
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      • Tad

        Tad Well-Known Member

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        Were you the one who mentioned using a police car style kick down system?
         
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        • Garrett Ellison

          Garrett Ellison Amateur driver on public roadway, do not imitate.. FABO Gold Member

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          No it wasn't me but I would bet money that's going to be your best bet!
           
        • Oldmanmopar

          Oldmanmopar Going left turning right FABO Gold Member

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          Police car? that was me Here it is and I just grabbed another set up on Face book market place. This 318 4bbl out of a diplomat police car was just on face book for sale. So they are still out there. I paid $100 for everything and it had a fresh trans. The linkage was worth more than I paid for the motor and trans

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          • Demonic

            Demonic Well-Known Member

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            Was it a set that went with that powertrain? If anyone ever pulled the motor and trans together - the one piece rods often get bent. Carefully, slowly "tighten" a bend to get a shorter overall rod. OR - If the throttle pressure is working correctly - cut the slot longer.
             
          • Oldmanmopar

            Oldmanmopar Going left turning right FABO Gold Member

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            You will never get a one piece system to work on an A-body. 71 on up B and E body or C-body will take a one piece. No A-bodies or pre 71 B's. There is not enough firewall clearance.
             
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            • Sedanman

              Sedanman 67-9 Valiant specialist

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              looks like your missing the tension spring for that slider arm
               
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              • Tad

                Tad Well-Known Member

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                Thank you for everyone’s reply. Haven’t gotten it completely set up yet so haven’t put the springs on yet.
                 
              • MOA

                MOA Well-Known Member

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                I'm modifying my kick down linkage from a 2bbl set up, adding 2 inches to the rod. How far from the back of the slot is the tab for the spring? And where do I find/buy the right spring?

                Thanks
                 
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