Project Humpty '74 J20 Diesel Build UPDATED!

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  • zmjeeps
    304 AMC
    • Jun 14, 2000
    • 1662

    Project Humpty '74 J20 Diesel Build UPDATED!

    Hello all,
    I've been busy working on this project for months now and I finally remember to talk to the owner about putting a post here on the forum detailing this build. I'll give a specs list, then link to a bunch of pictures. Please feel free to ask any questions.

    Truck: 1974 Jeep J20. 40K original miles, barn find in Ohio.
    Sheetmetal: NOS cab, fenders, valance, radiator support, doors. '67 Bed
    Engine: Cummins 4BTA from a bread truck. Turbo charged, intercooled, 3.9L 4 cyl. 130HP stock.
    Trans/Xfer: NV4500/Np205 from '90 Dodge 6bt truck. Same truck gave up its accessories for the engine
    Axles: Stock J-20
    Springs: Custom Alcan Springs 8 leaf front, 7 leaf rears (Replace the 3 leaf front, 2 leaf rear original springs)
    Bilstien Shocks
    Dual Battery Tray
    Aftermarket Heat and A/C mounted in the cab behind the dash
    Extensive Dynamat in the cab
    Hydraboost brakes Discs front, Drums Rear. SS fuel and brake lines

    Link to the pics: http://photobucket.com/humpty
    Organized the pics a little better with better links:
    All the Sound Proofing Pics: http://s689.photobucket.com/albums/v...umpty/Dynamat/
    Progress Pics by month in subfolders.
    Last edited by zmjeeps; 02-01-2010, 03:01 PM. Reason: Change Title
    Zack Heisey
    Z&M Jeeps
    419.893.4JEEP (4533)
    www.zmjeeps.com
    [email protected]
  • bigun
    • Feb 10, 2003
    • 20092

    #2
    Neat
    charlie
    KB0HXA
    "Crom" 76/75 Cherokee/J20 Hybred,

    Originally posted by Gambler68
    congrats...that's the first post on here I have absolutely no effing clue how to comment on.
    How you behave toward cats here below determines your status in Heaven.
    Robert A. Heinlein
    The birth of CROM is recorded here
    http://www.alaska4x4network.com/showthread.php?t=7778

    Comment

    • Fiodh. Argus
      350 Buick
      • Jan 01, 2005
      • 1280

      #3
      The photos didn't show up for me but it might have been my computer. Must be nice to have a diesel build all done and running, would be great to have. Diesel is actually cheaper than gas again here.

      I look forward to seeing more.
      Last edited by Fiodh. Argus; 06-01-2009, 05:24 PM.
      Drew
      77 Cherokee WT

      Comment

      • FSJ-Earl
        304 AMC
        • May 02, 2003
        • 1574

        #4
        I have watched and assisted (just a little) with this project and this truck is really cool! The oil burner along with the HV4500 and NP205 is a great drivetrain. Were Zack find some of these NOS parts still amazes me! he cab still had tags and stickers from the factory!
        FSJ-Earl
        2002 F350 Diesel - tow rig / family hauler
        2008 4 door JK Rubicon - Wife's Daily Driver
        1989 GW - the one that started it all
        1983 - J15 - J10 body + J20 running gear = J15 Trail rig

        Comment

        • TexTJ209
          360 AMC
          • Oct 06, 2005
          • 2559

          #5
          Those inner fenders were a little rough.


          Looks like a cool build...I was thinking about building a battery tray for mine eventually right where you put that one. Thanks for the pic ideas.
          '10 Chevy Silverado 5.3L - The DD.
          '81 Jeep CJ-7 Laredo
          '73 Jeep J2000 - On the perpetual backburner.
          Texas A&M Offroad

          Comment

          • Mikel
            • Aug 09, 2000
            • 6330

            #6
            Originally posted by Fiodh. Argus
            The photos didn't show up for me but it might have been my computer. Must be nice to have a diesel build all done and running, would be great to have. Diesel is actually cheaper than gas again here.

            I look forward to seeing more.
            Try this:

            1969 M715 6x6
            1963 J300 Swivel frame

            Comment

            • Mikel
              • Aug 09, 2000
              • 6330

              #7
              Very nice!


              [Nitpick mode]

              Originally posted by zmjeeps
              Engine: Cummings 4BTA from a bread truck.
              [/Nitpick mode]
              1969 M715 6x6
              1963 J300 Swivel frame

              Comment

              • grand_wag_85
                Murphy's Law Poster Child
                • Dec 03, 2003
                • 10719

                #8
                Very cool!
                You know it's bad when your car's on the EPA's 10 most wanted list!

                '82 J10
                '88 GW
                '77 J10 Golden Eagle 401


                Comment

                • zmjeeps
                  304 AMC
                  • Jun 14, 2000
                  • 1662

                  #9
                  Originally posted by TexTJ209
                  Those inner fenders were a little rough.


                  Looks like a cool build...I was thinking about building a battery tray for mine eventually right where you put that one. Thanks for the pic ideas.
                  Yes they were, and so was the underside of the bed, but the inside was great because of the cab. Original owner only drove it in the winter and then parked it in the barn, so it got eaten from the inside out. No worries, have NOS inner fenders to replace them.

                  Anyone else having trouble seeing the pics?

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

                  Comment

                  • Redwookie
                    230 Tornado
                    • Jun 02, 2009
                    • 8

                    #10
                    Hello all. New around these parts but just wanted to say nice truck! Awesome build! I'm getting ready to convert my '89 Blazer from the 5.7 to the 6.2 diesel myself
                    1991 Hunter Green Grand Wagoneer: Wife's new ride! 130,000 original miles. All original and featured in several ads and Jeep mags.

                    1989 Chevy Blazer: My off road toy! lifted, locked, custom bumpers, winch, pull-brake, etc...

                    Comment

                    • jeepdreamer
                      327 Rambler
                      • Jan 27, 2008
                      • 512

                      #11
                      pic problems

                      Hey Zack,
                      I had a lil trouble seeing the picts... kinda looked like thumbnails that wont get bigger??

                      Comment

                      • zmjeeps
                        304 AMC
                        • Jun 14, 2000
                        • 1662

                        #12
                        Originally posted by jeepdreamer
                        Hey Zack,
                        I had a lil trouble seeing the picts... kinda looked like thumbnails that wont get bigger??
                        In the top right corner, click on GRID and it will make them all a litttle bigger, then click on a single pic and it should make it very big. You could also use the slideshow and see them one at a time in large format.

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

                        Comment

                        • Casey
                          • Oct 08, 2003
                          • 6151

                          #13


                          Great project!


                          But now it will have brow envy. Rust free, but green with envy.
                          1994 YJ
                          1986 Comanche
                          '57 FC-150

                          Carolina Full Size Jeep Club
                          www.cfsjc.com


                          www.patriotguard.org

                          Originally posted by Jeepstress
                          "Go forth and be a tool".
                          Originally posted by 78 Wagoneer
                          This year for ECI I got a Jeep. Pretty important upgrade.

                          Comment

                          • zmjeeps
                            304 AMC
                            • Jun 14, 2000
                            • 1662

                            #14
                            Originally posted by Casey


                            Great project!


                            But now it will have brow envy. Rust free, but green with envy.
                            It will be funny to watch people try and figure out what year it is with the '74 frame and suspension, 80's browless cab and a '67 bed with round taillights...

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

                            Comment

                            • loganvilledude
                              258 I6
                              • Mar 10, 2009
                              • 323

                              #15
                              This is really a well documented project and the pictures are really nice. I have been thinking about this for a few months now.

                              Thanks
                              89 Wagoneer / White Woody / 4" Skyjacker / 360 AMC / A Former Odessan
                              http://s244.photobucket.com/albums/gg8/odessadude/


                              Comment

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