Dodge Dakota V6 flywheel on a LA

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  1. 68383GTS

    68383GTS Well-Known Member

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    Will a 88 Dodge Dakota V6 flywheel work on a LA 318. I want to bolt a 1973 318 up to my Dakota V6 5 speed.

    20200922_073822.jpg
     
  2. moparmat2000

    moparmat2000 FABO Gold Member FABO Gold Member

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    Probably not. Balance issues
     
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    • Professor Fate

      Professor Fate Push the button, Max...

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      3.9 and 318 are both internally balanced. You should be good to go, just make sure the 318 crank is drilled for a pilot bushing/input shaft clearance.
      Edit: As long as you're not using the computer controls on the 318. That flywheel only has 6 pickups for the crank sensor. If you're carbing it, you're good.
       
      Last edited: Sep 28, 2020
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      • Jadaharabi

        Jadaharabi FABO Gold Member FABO Gold Member

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        I believe the 3.9 flywheel will bolt up just fine to the 318. However if you're going to time the 318 off the flywheel you will have to get a 318 flywheel or 5.2. 6 vs 8 on the timing.
        If you're going to run a distributor with its own advance and not worried about the computer controlling the timing you'll be fine.
         
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        • 68383GTS

          68383GTS Well-Known Member

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          Yes going with a carb and getting rid of the computer..
           
          Last edited: Sep 29, 2020
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          • mopar56

            mopar56 Well-Known Member

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            Yep, works fine, I needed one for the kids carbed 318 in his 70 duster, went to the pick and pull and grabbed one from a 3.9 dakota, just machined and put it together! Been in there three years now.
             
          • Jadaharabi

            Jadaharabi FABO Gold Member FABO Gold Member

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            Say this again please.
             
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            • moparmat2000

              moparmat2000 FABO Gold Member FABO Gold Member

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              Forgot about that neutral balance thing, still thinking 360
               
            • AJ/FormS

              AJ/FormS 68 B'cuda fb, Form S clone ... 367/A833/3.55s

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              AFAIK, 88s were still carbed?

              Oh wait, I think that was 5.2s were still carbed.
               
            • 68383GTS

              68383GTS Well-Known Member

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              318 with a carb and getting rid of the computer...lol
               
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              • Jadaharabi

                Jadaharabi FABO Gold Member FABO Gold Member

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                Are you using a V6 to V8 adapter kit or a 5.2 side mount block for this?
                 
              • 70duste

                70duste Well-Known Member

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                it will work, I did a 340 swap in a 91 Dakota , no problems
                except 1st gear was a waste of time, lol
                 
              • 68383GTS

                68383GTS Well-Known Member

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                Do they make an adapter kit ?
                 
              • Jadaharabi

                Jadaharabi FABO Gold Member FABO Gold Member

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              • 93ragtop

                93ragtop Well-Known Member

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                I did this backwards.... I put a 5.2 (318) flywheel on a 3.9 in my 87 dakota so I could use a NV3500 transmission..... On another site, I have seen others do exactly what you are doing, and it worked. But keep in mind the NV2500 trans, is weak.

                A little off base, but with a 87-90 dakota, your biggest problem is going to get the motor to clear the radiator. In short, I believe there are 3 ways.....
                1. As Shelby did with the 89 shelby dakota's, make a special crossmember and move the motor, trans back. Then use pusher electric fans in front of the radiator.
                2. Use a magnum serpentine belt system, along with pusher fans..... This is what I am doing on mine.
                3. Swap out the front end for a 91-96.... Dodge moved the radiator about 4 in forward to provide clearance.
                Below is a picture of a 3.9, and the factory radiator. Figure the V8 will add 4.5 in. to the length of the V6....

                overall picture with 3.9.jpeg

                clearance from pulley to radiator.jpeg
                 
              • 93ragtop

                93ragtop Well-Known Member

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                Wanted to add, if you want any info on what I posted above, let me know, and I can send additional pictures, and links to others.
                 
              • 93ragtop

                93ragtop Well-Known Member

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              • Jadaharabi

                Jadaharabi FABO Gold Member FABO Gold Member

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                What did you use for motor mounts?
                 
              • 93ragtop

                93ragtop Well-Known Member

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                I am using a magnum motor and it bolts directly to the factory 87 dakota V6 mounts
                 
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                • Jadaharabi

                  Jadaharabi FABO Gold Member FABO Gold Member

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                  I have an adapter.
                  It is a 5.2 magnum motor that I got as a core. If you want it, you can have it.
                   
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