Project Humpty '74 J20 Diesel Build UPDATED!

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  • zmjeeps
    304 AMC
    • Jun 14, 2000
    • 1662

    #61
    Originally posted by madmikeX3
    Hey Zach. Could you do up a Small expenses list of what you have spent. I plan on a 4bt soon as well but unsure of the cost. I keep hearing 10 grand or so thrown around. Thanks
    The biggest expense will be the 4bt engine. There are several different versions with different HP outputs, so do your homework.
    :Soapbox mode ON: Do yourself a favor and make some decisions before you start. Decide auto or manual trans. Overdrive or no. Example, if you want a manual trans and an overdrive, use the NV4500 that came behind the 6bts. Makes life easier. If you can find a whole dodge truck with the diesel engine, you can rob the trans and tcase, engine adapter and accessories. You can sell the 6bt engine to recoop some of the cost. If you want an auto and you are OK with a 3spd without overdrive, you can find a 4bt already set up for a TH400. That kind of thing.
    :Soapbox mode OFF:
    Once you have a plan laid out, its a lot easier to estimate cost. This is why some people spend years collecting parts to make the swap happen. It takes longer but can be cheaper.
    Zack Heisey
    Z&M Jeeps
    419.893.4JEEP (4533)
    www.zmjeeps.com
    [email protected]

    Comment

    • The PIG Smith
      King Browless

      Moderator
      • Nov 30, 2001
      • 6537

      #62
      Originally posted by zmjeeps
      This is why some people spend years collecting parts to make the swap happen. It takes longer but can be cheaper.
      I can relate with this.
      Last edited by The PIG Smith; 06-29-2010, 02:53 AM.
      Bryan Smith
      2017 Jeep Grand Cherokee Limited
      - 75th Anniversary Edition - 1941 Trim Package - Recon Green
      1986 Jeep J20
      - Super clean rig from the AZ/CA state line
      1982 Jeep J10
      - Has become a Long Term Project.
      1981 Jeep J20
      - Commercial flat bed - Lost in a Divorce --gone
      1987 Jeep J20 Pioneer
      - Former Rick Bielec aka Ricbee plow rig. Major rust!! --gone

      IFSJA Member #1933 Joined November 30, 2001

      Originally posted by Jayrodoh
      ...but if it works, I wouldn't touch it.
      Originally posted by Lindel
      Best laid plans, yada yada yada...

      Comment

      • zmjeeps
        304 AMC
        • Jun 14, 2000
        • 1662

        #63
        Originally posted by billyrb
        Zack, did you already eliminate the KDP? If not, give a shout to Scott at www.tndiesel.com. Also, he can talk to you more about the mounts you used and potential issues / or at least confirm they'll work well. He's a good guy and knows his 4bt stuff (he specializes in swaps). The KDP usually shows up in the 6bt, but even though the 4bt has a slightly different style of mount, they can fail too.
        I've talked to Scott at TND many times. KDP (that's Killer Dowl Pin for you non 4bt savy people) has been discussed. We've also talked about the motor mounts as discussed earlier in this thread. They will be fine. BTYPP.

        Zack
        Zack Heisey
        Z&M Jeeps
        419.893.4JEEP (4533)
        www.zmjeeps.com
        [email protected]

        Comment

        • The PIG Smith
          King Browless

          Moderator
          • Nov 30, 2001
          • 6537

          #64
          Originally posted by zmjeeps
          :Soapbox mode ON: Do yourself a favor and make some decisions before you start. Decide auto or manual trans. Overdrive or no. Example, if you want a manual trans and an overdrive, use the NV4500 that came behind the 6bts. Makes life easier. If you can find a whole dodge truck with the diesel engine, you can rob the trans and tcase, engine adapter and accessories. You can sell the 6bt engine to recoop some of the cost. If you want an auto and you are OK with a 3spd without overdrive, you can find a 4bt already set up for a TH400. That kind of thing.
          :Soapbox mode OFF:
          This is exactly the advice that is commonly given over on the 4BTSwaps.com forum.
          Lots of guys fall into a bunch of free or cheap parts and start a project thinking they will able to pull it off on a low budget.
          Later, they realize that all these parts may or may not work together and the technical issues to solve are huge
          and in some cases are unsolvable or cost prohibitive.
          A proper plan will solve many of these issues and save both time and $$$ in the end.
          Bryan Smith
          2017 Jeep Grand Cherokee Limited
          - 75th Anniversary Edition - 1941 Trim Package - Recon Green
          1986 Jeep J20
          - Super clean rig from the AZ/CA state line
          1982 Jeep J10
          - Has become a Long Term Project.
          1981 Jeep J20
          - Commercial flat bed - Lost in a Divorce --gone
          1987 Jeep J20 Pioneer
          - Former Rick Bielec aka Ricbee plow rig. Major rust!! --gone

          IFSJA Member #1933 Joined November 30, 2001

          Originally posted by Jayrodoh
          ...but if it works, I wouldn't touch it.
          Originally posted by Lindel
          Best laid plans, yada yada yada...

          Comment

          • zmjeeps
            304 AMC
            • Jun 14, 2000
            • 1662

            #65
            Long Overdue Update

            It's been forever since I updated this thread. To busy working on it I guess. A VERY brief summary of what's been done since the last update:
            All body panels edged/painted/assembled/gapped
            Engine accessories installed
            Underhood components installed
            wiring started
            Brake lines run
            Fuel lines run
            Governer springs installed

            Tons and Tons of pictures on www.photobucket.com/zmjeeps/Humpty
            Look in the folders in Humpty called October 09 and November 09

            Here is one teaser shot:
            Zack Heisey
            Z&M Jeeps
            419.893.4JEEP (4533)
            www.zmjeeps.com
            [email protected]

            Comment

            • Elliott
              Cowboy Up
              • Jun 22, 2002
              • 12704

              #66
              Very nice, and you certainly have been busy!
              *** I am collecting pics and info on any factory Jeep Dually trucks from the J-Series at the new Jeep Dually Registry.
              ***I can set you up with hydroboost for your brakes: http://www.ifsja.org/forums/vb/showthread.php?t=106056

              Comment

              • fulsizjeep
                Señor Jackhead
                • Aug 21, 2002
                • 22496

                #67
                Nice goin Zack!
                Flint
                Ran when parked.
                http://jubileejeeps.org/quadratrac
                88 GW, 401/727/208, 5" lift, D44s/4.10s/locked up, 35s with a few Evil Twin & TT's Fabworks mods
                76 401 Wag, 77 401 Wag, 77 401 J20
                http://eviltwinfab.com http://www.ttsfabworks.com

                Comment

                • jaber
                  Dragin Az
                  • Oct 17, 2003
                  • 8104

                  #68
                  Thats lookin great Zack, thanks for documenting and sharing....
                  Jeff

                  '43 cj2a
                  '51 Willys p/u
                  '51 Willys Parkway Conversion
                  '68 Panel Delivery
                  '74 CJ5
                  '75 J-20 Wrecker
                  '75 J-20 Cummins service bed
                  '77 J-10 p/u
                  '79 Cherokee
                  '88 Grand Wagoneer
                  '98 Grand Cherokee

                  Comment

                  • zmjeeps
                    304 AMC
                    • Jun 14, 2000
                    • 1662

                    #69
                    Originally posted by jaber
                    Thats lookin great Zack, thanks for documenting and sharing....
                    Due to size restrictions and such, I haven't posted many pics on this site. If you haven't been lately, go to the photobucket site, www.photobucket.com/zmjeeps and look in the Humpty folder. Also check the subfolders in Humpty. Tons and tons of pics. It is FINALLY ready for paint. Of course, there have been 4 snow storms in a row and the body shop is backed up with fender benders. Should have color the second week of the new year! Hopefully some black smoke before then!

                    Zack
                    Zack Heisey
                    Z&M Jeeps
                    419.893.4JEEP (4533)
                    www.zmjeeps.com
                    [email protected]

                    Comment

                    • AMC-J/20
                      350 Buick
                      • Dec 17, 2009
                      • 1326

                      #70
                      Beautiful truck Awsome build !

                      Mike
                      1953 REO M48.
                      1962 GMC C3000.
                      1969 AMC AMX-390 Resto.
                      1971 AMC/Jeep J4000DRW.
                      1983 AMC Eagle project SX/290.
                      1988 AMC/Jeep project MJ/343.
                      1989 Jeep GrandWagoneer.
                      1991 Dodge Ram-Charger.

                      A M C Means Jeep to me

                      Comment

                      • zmjeeps
                        304 AMC
                        • Jun 14, 2000
                        • 1662

                        #71
                        Update

                        Haven't updated this build for a while. Finally goes to paint this Saturday, I can't wait!!!
                        Finally got a couple of little nagging jobs out of the way.

                        Clutch: I got the clutch master cylinder mounted and hooked to the pedal. Lots and lots of measuring and figuring before I drilled the holes in the firewall and the hole in the clutch pedal. I used a custom line to go from the Ford Master cylinder to the stock dodge slave cylinder that I used. I heard a ton of horror stories about bleeding this set up, but I didn't have any trouble. I put the line on the M/C but not to the slave. I put some fluid in the MC and put the hose back into the resevior. I pumped the pedal a few times until the fluid flowed nicely and no bubbles came up. Then I hooked it to the slave and bled that with the bleeder on the slave. Easy. I will post some pics of this later.

                        Brakes: I got the brake lines all hooked up and finally put fluid in the brake master cylinder and bleed the brakes. The hydroboost system is not yet bled because I still need to get a resevior for the power steering fluid. I have one in mind, just haven't ordered it yet.

                        That's all for now. Hopefully a ton more pics after this weekend.

                        Zack
                        Zack Heisey
                        Z&M Jeeps
                        419.893.4JEEP (4533)
                        www.zmjeeps.com
                        [email protected]

                        Comment

                        • Elliott
                          Cowboy Up
                          • Jun 22, 2002
                          • 12704

                          #72
                          Good on you! I have a Ford, couple of them, and if you follow the instructions for bleeding it is a pita and won't work. Bleed like an ol British car and all is good unless (in a Ford) the flywheel was cut down and then the slave over-extends and blows fluid past the seals... especially in cold weather where it just runs onto the ground. You got lucky so that's all that counts.

                          BTW, don't know enough about them... but the cheapest reservoirs I've come across have been at www.jrmotorsports.com
                          Last edited by Elliott; 02-01-2010, 07:33 PM.
                          *** I am collecting pics and info on any factory Jeep Dually trucks from the J-Series at the new Jeep Dually Registry.
                          ***I can set you up with hydroboost for your brakes: http://www.ifsja.org/forums/vb/showthread.php?t=106056

                          Comment

                          • mike12
                            232 I6
                            • Jun 08, 2009
                            • 179

                            #73
                            lookin good

                            lot of hard work in that on zack well done . i want to see it when spray it!. mike 12 the old body man

                            Comment

                            • bufurd
                              327 Rambler
                              • Apr 13, 2008
                              • 584

                              #74
                              Nobody more excited

                              Zack, did you get the latest snow? I'm hoping it didn't delay the paint,
                              Nobody more excited than me about the paint, considering the it was to come up with a color. Let me know when it's SMOKIN.
                              You have done a awesome job of documenting this. I need to get you a pic of the 70 painted, Dark green and a brow LOL.
                              Current fleet
                              Abner-73 He started it all in 1979 (plow truck now)
                              Bufurd-69 Fixed up to take Abners place as DD
                              Delta-70 Built for fun, 455 Olds, T-18, D-20, 4:10 gears
                              Humpty-74 J-20 4BT, NV4500, 30+MPG
                              07 JK Wife bought new...
                              13 Grand Cherokee Trail Hawk, wifes new ride

                              Comment

                              • jaber
                                Dragin Az
                                • Oct 17, 2003
                                • 8104

                                #75
                                Originally posted by bufurd
                                I need to get you a pic of the 70 painted, Dark green and a brow LOL.
                                OH, OH, post it here, I wanna see.....
                                Jeff

                                '43 cj2a
                                '51 Willys p/u
                                '51 Willys Parkway Conversion
                                '68 Panel Delivery
                                '74 CJ5
                                '75 J-20 Wrecker
                                '75 J-20 Cummins service bed
                                '77 J-10 p/u
                                '79 Cherokee
                                '88 Grand Wagoneer
                                '98 Grand Cherokee

                                Comment

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