360 build for dart swinger

Discussion in 'Small Block Mopar Engine' started by Rodsaknockin, Feb 20, 2018.

  1. Rodsaknockin

    Rodsaknockin Well-Known Member

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    here goes I have a 318 car and want to build a good streetable 360 now I have a 360 out of a pick up with less than 10000 miles but pulled the heads and they are 60cc 318 heads with the exhaust valve seats pounded out on two cylinder cross hatch is still in the bores would like to hone cylinders and bump compression and get some help picking the right pieces if that's doable in your guy opinion.i also have another 360 out of a motor home low comp engine that I have to go pick up it was rebuilt and a 727 but the guys plans went south. Wondering if it could have j heads. Have thought about a stroker but don't want to put 10gs into a engine or so the machine shop quoted me. I have dougs headers Eddie intake holley carb or Eddie carb and have waited on buying a converter.
    Would like some help with this. I'm a heavy duty mechanic but haven't built a hot street motor for a long time . Would like something that's really healthy but also that the wife will still drive. Thanks in advance
     
  2. Jadaharabi

    Jadaharabi FABO Gold Member FABO Gold Member

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    What year is the 10k mile 360?
     
  3. Rodsaknockin

    Rodsaknockin Well-Known Member

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    I'm not 100% sure I think mid seventies
     
  4. Rodsaknockin

    Rodsaknockin Well-Known Member

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    I will get some casting numbers when I get to the shop
     
  5. Jadaharabi

    Jadaharabi FABO Gold Member FABO Gold Member

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    Wondering what head are on the motor home motor.

    What is the budget for your build?
    Pistons, cam w/lifters and head work or bore and after market heads?
     
  6. rumblefish360

    rumblefish360 so close yet so far away

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    A basic entry level first step “Hot 360” performing package without rebuilding on the known good engine would be the basic bolt on’s and a small cam. Here is one example;

    OE or Edelbrock Performer intake manifold, 750 4bbl., A Jegs dual exhaust kit for headers or duals off the exhaust manifolds.
    Cam example; Lunati Street Avenger Cam and Lifter Kits 80360LK
     
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    • Rodsaknockin

      Rodsaknockin Well-Known Member

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      To be totally honest really haven't set a budget 5 thousand ? have looked at Eddie heads but have read some stuff about the j heads also thought about a set of magnum heads. I would like advice on what parts work I'm open to ideas for sure
       
    • rumblefish360

      rumblefish360 so close yet so far away

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      Rebuilt bottom end with flat top pistons w/valve reliefs could use a cam like this;
      Lunati Voodoo Cam and Lifter Kits 10200702LK
      A competition valve job recommended. Bowl porting a plus. Stock OE heads OK. No other changes.
       
      Last edited: Feb 20, 2018
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      • rumblefish360

        rumblefish360 so close yet so far away

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        A lot of this “Something the wife could drive” is super subjective since my wife can handle 500hp and drives her monster a lot, a real lot.

        Tell us about your ride. It would help a lot know what we are starting with. What may need to be changed out, what can stay. Etc...
         
        Last edited: Feb 20, 2018
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        • Rodsaknockin

          Rodsaknockin Well-Known Member

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          Okay so I'm not shooting for the moon with hp/tq numbers but where do you think I would end using your suggested prescription
           
        • 72Dart6pack

          72Dart6pack Harder Better Faster Stronger.

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          Here is my current build for my 72 Dart. And it was way less than $10k

          20180217_202424.jpg
           
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          • Rodsaknockin

            Rodsaknockin Well-Known Member

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            It is a 1972 Dodge Dart swinger 318 with 4 barrel dual exhaust and a 904 trans
             
          • Rodsaknockin

            Rodsaknockin Well-Known Member

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            That looks nice. Those American dollars buy a lot more than the Canadian peso
             
          • rumblefish360

            rumblefish360 so close yet so far away

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            Where do you want to be.
            Approximately they will make;
            First prescription = 300hp
            Prescription two = 340hp
            Head work to #2 add 25hp

            Script 1 is ultra driveable. Grandma would love it if it is quite enough. ;)
            You could retain the stock Bwy. gears.

            Script 2 would be a nice hot rod docile enough the wife “shouldn’t complain” a best result would be with an increased stall converter and 3.55 gears.
             
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            • Rodsaknockin

              Rodsaknockin Well-Known Member

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              I have not opened the rear axle up to check ratio I bought this car this last summer is a good driver changed the timing chain and gear set added the intake /4barrel duals
               
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              • rumblefish360

                rumblefish360 so close yet so far away

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                Nice start.

                What rear end size, gear ratio and tire size.

                Come on now! Give up the information for best results! If you don’t know, that’s OK. Pictures will solve a ton of issues!
                ;)
                 
              • rumblefish360

                rumblefish360 so close yet so far away

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                As you stand now, with the 318, go for cam in package 1.

                If you go with a 360, let us know.
                 
              • Rodsaknockin

                Rodsaknockin Well-Known Member

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                Ok I was going to order a 2400 stall and if I did decide on aluminium heads what would you guys choose what comp ratio would you pick before you are running premium all the time
                 
              • rumblefish360

                rumblefish360 so close yet so far away

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                This is all way to general.

                87 octane w/aluminum heads?
                A lot depends on the cam that is YET UNDECIDED!

                8.5-1
                 
              • Rodsaknockin

                Rodsaknockin Well-Known Member

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                It has factory original poly glass tires on it don't know what rear axle is in it
                 
              • rumblefish360

                rumblefish360 so close yet so far away

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                Also DONT ORDER A CONVERTER UNTIL YOU KNOW WHAT CAM YOUR RUNNING!

                That would and can be a huge mistake!
                 
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                • Rodsaknockin

                  Rodsaknockin Well-Known Member

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                  14" rubber
                   
                • rumblefish360

                  rumblefish360 so close yet so far away

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                  Original tires????

                  Danger, danger, danger!!!!!
                   
                • Rodsaknockin

                  Rodsaknockin Well-Known Member

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                  Okay thanks for the info I will do a little more digging on my end gear ratio etc
                   
                • rumblefish360

                  rumblefish360 so close yet so far away

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                  P205/70/14?