383 engine mount

Big Block A body Tech

  1. Shmaako

    Shmaako Well-Known Member

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    20200427_172848.jpg 20200427_201933.jpg I need help with how to install the mounts on my 383. The drivers side looks fairly straight forward but the passenger side mount rubber is offset horizontally and looks off. The motor is suspended using a lift in pic so it it will swing into alignment. I'm just talking about how the pad sits on the mount.
    Can anyone take a pic of a similar mount o
     
  2. HemiSSDart

    HemiSSDart Dartus Interuptus

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    That is a small block rubber biscuit, not a big block. Here is a picture of what you need...

    Big block Dart right side engine.jpg
     
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    • Shmaako

      Shmaako Well-Known Member

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      That makes sense. Unfortunately, This motor came with this K member and mounts and I don't think it is a real BB K member. Im wondering if I get proper BB mounts they might not fit on this frankenstein K member.
      yeesh...perhaps this install will be postponed even more....(sigh)
       
    • Shmaako

      Shmaako Well-Known Member

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      What is the problem with using these small block biscuits?
       
    • HemiSSDart

      HemiSSDart Dartus Interuptus

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      Show me a pic of the drivers side mount.
       
    • Shmaako

      Shmaako Well-Known Member

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      15880473374713292048201945578509.jpg
       
    • HemiSSDart

      HemiSSDart Dartus Interuptus

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      Well that is definitely not a factory big block A-Body k-frame. Looks like a small block k-frame, are you using Schumacher mounts?
       
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      • Shmaako

        Shmaako Well-Known Member

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        Not using schumacher mounts. Heres a pic of k member
        20180117_143724.jpg
         
      • Shmaako

        Shmaako Well-Known Member

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        So after a little more research I believe they are Schumacher Creative Services 67-72 A-body SB to B/RB conversion motor mounts and brackets, biscuit style.

        '67-72 A-Body Products
         
      • gm1236

        gm1236 Well-Known Member

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        Did you try to turn the rubber pad 90 degrees. All the one I’ve ever seen the long side runs top to bottom, short side is front to back. Like the driver side mount in the other photo.
         
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        • RustyRatRod

          RustyRatRod Bla de blizhibliz de blatde blizi bla bla FABO Gold Member

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          @Jim Lusk is super good at this stuff. Maybe he'll chime in.
           
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          • Shmaako

            Shmaako Well-Known Member

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            You are correct. Thanks!
            It took me a bit to figure that out lol.
            And now I managed to rip the mount biscuit apart during the install...yeesh. Oh well, I heard Mancini sell them.
             
          • davescuda

            davescuda FABO Gold Member FABO Gold Member

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            I think this is what you have to do on the driver side from what I have seen. I am sure someone that did this will jump in

            take out that spacer
            you have cut the K frame, red square

            649C1AA0-71DA-4AF6-9BD2-4CF8AA32E237_1_201_a.jpeg
             
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            • jimharvard

              jimharvard JimHarvard FABO Gold Member

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              hey Shmaako...

              i'm building a 69 M-Code Cuda right now and went through the issue of the big block k-member problem.

              i had a small block 340 k-member, however, the 383-440 k-member is a little different. i found a big block k-member here on FABO. there used to be motor mounts available to put a big block engine on a small block k-member but right now, the companies that were making them are either out of business or not producing anything. the big block motor mounts are available but they only fit on the big block k-member. the below picture pictures show the difference between the small block k-member and the big block one. the small block motor mounts are right across from each other - even. the big block motor mounts are "off-set" from one another.

              k 2.jpg

              383 k member guy on fabo 2 1000 dollars.jpeg
               
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              • Jim Lusk

                Jim Lusk Well-Known Member

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                Yup, looks like small block k-member with conversion mounts. I believe that some of the conversion mounts mounts the insulator like that. I've always built my old Direct Connection k-member so I've never had to deal with conversion mounts.
                 
              • carguy47

                carguy47 Well-Known Member

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                I am having the same issues with a 440 in a '68 dart. The other issue I have NOT been able to solve is the exhaust manifolds. I purchased several versions from various years and have no luck on the driver's side. I am going to weld up a driver's side motor bracket.
                ANY ideas on the driver's side exhaust manifold?
                 
              • carguy47

                carguy47 Well-Known Member

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                Got the passenger side in with a 1/4" to spare

                Engine.4.jpg
                 
              • Jim Lusk

                Jim Lusk Well-Known Member

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                '68-73 B-body HP manifold with the outer sleeve on the steering column cut up to the firewall. The clearance is MINIMUM to the shaft, but it will work. You can also shift the column and box a little to the left for a little more clearance.
                 
              • Dcuda69

                Dcuda69 Well-Known Member

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                With the BB K frame you'll also need the BB mount bracket to match. It wraps around the front of the block and bolts in 2 holes above the oil pump(you'll also need a block with those holes) That's the setup I run in my 69 B'cuda with a 400 based 470"

                c65bl installed.jpg
                 
              • 1969383S

                1969383S FABO Gold Member FABO Gold Member

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                Wow! Lots of struggle!

                It is nice to be original and simple! Never dealt with these issues.
                 
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