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1990 Grand Wagoneer LS/6l80e/MP1222

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  • 1990 Grand Wagoneer LS/6l80e/MP1222

    Purchased on BAT Feb 2022. Runs great for 194000 miles on a partially rebuilt 360. So probably 8mpg and 110hp.

    From having it delivered until now, here is what has been done:

    Purchased 2/25/2022

    Upcoming parts list:
    TC shifter
    Lokar 1809, LS starter motor
    Motor mount for LS
    BJs tank and pump
    Novak Radiator/Fan
    CPSLS3EROD6L80E LS3/6L80e 4wd with acc drive 19421444

    Completed list:
    Door lock relays-BJs- need to figure out why Viper remote quit working
    Replace temp gauge
    Overhead console- rewired harness and replaced computer
    Fan and clutch replaced
    Weld exhaust flanges
    valve cover gaskets
    Replace front carpet-check wiring to overhead on driver B-pillar
    Check Differentials 3.75 pints each 75w90 or 80w140
    Tighten suspension bolts 30 shackle, 50 spring eye
    Finish wiring tailgate: review instructions, Tailgate apart and check tracks. Remote? (Team GW) p412 wiring diagram, Delcity switch/wire
    Rear camera install
    Replace mirrors, check wiring/switch (Ebay) https://youtu.be/uVVyBorJy0Q p422 wiring diagram. p672 is XJ pinout, 674 is harnesses, vs Mitsi switch
    E clip , 4 screws m6 20mm for mirror
    Tune carb. Black soot in exhaust
    Door lock actuators- clean and adjust, front doors
    Clean and check cluster, replace bulbs
    Replace NSS p756 wiring diagram- reverse lights not working
    Coolant gauge- replaced sending unit x2, replace thermostat
    Clean and check cluster, replace bulbs
    weld frame at front drivers side above axle
    Exhaust hanger
    5.25

  • #2
    IMG_8525 by Steven Lobel, on Flickr

    IMG_0518 by Steven Lobel, on Flickr

    67484424472__9942644B-3C4A-4AA4-A5CD-FB75E0416508 by Steven Lobel, on Flickr

    67543530514__C2D567A0-4F50-42F5-85F9-910941237DC5 by Steven Lobel, on Flickr

    Comment


    • #3
      NICE G.W.
      dave in NC

      you will love those Bilstein shocks !!!
      SOLSAKS - dave
      1976 J-10 HONCHO Fleetside
      1982 J-10 Fleetside
      1988 grand wagoneer
      2004 RUBICON jeep
      Benson, NC

      Comment


      • #4
        Is that overhead console from a GW?

        My '84 does not have one, and I would like to add it.
        '81 CJ5 Base, 258 I6, MC2100, T176 4 spd, 300 TC, D30 Front NT, 3.31, 2-Piece AMC 20 rear NT, 3.31, 4" high arc spring lift

        '84 Grand Wagoneer, 401 V8 (.030 over), MC2150 HA Comp, 727 auto, Selec-trac NP229, AMC 20 REAR - D44 FRONT - WT 3.31, 4" high arc spring lift

        Rather be driving, than waiting to be modified

        Comment


        • #5
          Thanks Dave. GW came out of Charlotte. Bring a Trailer bid.
          https://bringatrailer.com/listing/19...d-wagoneer-49/

          Comment


          • #6
            Came with non working overhead console. Went through a few computers and then rewired from drivers footwell to roof. Bought one computer that had wires and plug so I was able to de-pin and make it work. The lights/plastic/metal were all there, just needed to clean contacts, do wiring, pop in new bulbs, and replace burned up computer.

            Comment


            • #7
              Thanks, will look into that when time comes for interior fixin'.
              '81 CJ5 Base, 258 I6, MC2100, T176 4 spd, 300 TC, D30 Front NT, 3.31, 2-Piece AMC 20 rear NT, 3.31, 4" high arc spring lift

              '84 Grand Wagoneer, 401 V8 (.030 over), MC2150 HA Comp, 727 auto, Selec-trac NP229, AMC 20 REAR - D44 FRONT - WT 3.31, 4" high arc spring lift

              Rather be driving, than waiting to be modified

              Comment


              • #8
                6/11/22: Took down tank, repaired frame rail. Not much to weld to and I'm a lousy welder. Will clean it up tomorrow. Took off NP228. Took off exhaust. Painted BJ's steel tank. Drained coolant. Tomorrow I need to disconnect everything from engine/transmission and pull it out. Then a lot of cleaning.

                NP 228 by Steven Lobel, on Flickr

                Frame rail repair by Steven Lobel, on Flickr

                Tank rot by Steven Lobel, on Flickr

                089E7EB3-6168-4315-BC81-60E6A7580DBE_1_105_c by Steven Lobel, on Flickr

                Tank out by Steven Lobel, on Flickr

                Front frame repair by Steven Lobel, on Flickr

                BECE79BD-6845-4490-A8E8-9BB3D89FE271_1_105_c by Steven Lobel, on Flickr

                A1B097BF-C47D-4FB6-A456-5279FF9B8E14_1_105_c by Steven Lobel, on Flickr

                Comment


                • #9
                  Busy weekend. Got 6 hours in on Saturday and Sunday. Unhooked everything, cut off exhaust, pulled the motor. Still cannot figure out why the Viper alarm door remote quit working when I installed the BJs door relay kit. Need to prep the new tank and install pump and sending unit. Run new fuel line to front with regulator and filter. Electrical should not be hard. Besides ignition wire from cab (hoping the Viper does not mess things up), only oil pressure/ water temp / voltmeter gauges. The rest comes from the GM harness. Lots of wires going to nothing at this point. Ignition/coil/choke all gone.

                  Pretty jeep by Steven Lobel, on Flickr

                  empty bay by Steven Lobel, on Flickr

                  360 rear by Steven Lobel, on Flickr

                  360 side by Steven Lobel, on Flickr

                  LS3 by Steven Lobel, on Flickr

                  Comment


                  • #10
                    Just bought twin stick from Rock Laurence. Vacuum thing still works, but I do not want to deal with creating the right amount to keep it working from new motor. Less stuff is better.

                    Comment


                    • #11
                      Got engine in, twin stick installed. Fired right up but found two fuel leaks. One at Tanks Inc filter/reg output. Maybe defective part.

                      Got to get driveshafts done, exhaust made.
                      Would post more pics but having to move everything to Flickr then upload here is a PITA.

                      Might redo my build thread on hosted server and just add a link.

                      There are no quality build threads with step by step. Would love to do that. Basically take harness back to the firewall connector and have a list of what goes where. Looks easy enough but all these old jeeps have been cut to pieces. I had a lot of duct tape holding wires crimped together when I got started.

                      Anyways, here is a link to first start.

                      5480DA0D-0830-429F-A5A8-F848458473A4_1_102_o by Steven Lobel, on Flickr

                      Comment


                      • #12
                        Got engine in, twin stick installed. Fired right up but found two fuel leaks. One at Tanks Inc filter/reg output. Maybe defective part.

                        Got to get driveshafts done, exhaust made.
                        Would post more pics but having to move everything to Flickr then upload here is a PITA.

                        Might redo my build thread on hosted server and just add a link.

                        There are no quality build threads with step by step. Would love to do that. Basically take harness back to the firewall connector and have a list of what goes where. Looks easy enough but all these old jeeps have been cut to pieces. I had a lot of duct tape holding wires crimped together when I got started.

                        Anyways, here is a link to first start.

                        https://www.youtube.com/shorts/ZD-iguCzcJ4

                        Comment


                        • #13
                          AWESOME! Great pictures! It sounds happy! This truck is going to be so fun to drive!
                          79 Cherokee Chief (SOLD, goodbye old buddy) https://forums.ifsja.org/core/images/smilies/frown.png
                          (Cherokee Build Thread)
                          11 Nissan Pathfinder Silver Edition 4x4
                          09 Mazdaspeed3 Grand Touring https://forums.ifsja.org/core/images...tom/drivin.gif
                          00 Baby Cherokee https://forums.ifsja.org/core/images...es/redface.png

                          Comment


                          • #14
                            holy smokes, engine sounds so good.

                            the easiest site on the planet that helps you post photos is

                            postimages.org

                            read how to below:

                            if I can use this site for posting on IFSJA,...anyone can

                            I lucked up and chose "postimages.org" site for trying my first photo post

                            easy as pie, and free

                            after you load the image

                            it gives you many choices under the photo,....

                            the one you want to choose is "hotlink for forum posting", ....YOU CLICK THE BLUE FOLDER IMAGE AT RIGHT OF LINK called Hotlink for forum posting
                            when you click that, it copies the link automatically to your comp....

                            then go to ifsja and after you type your message hit PASTE,...and that is it
                            the photo is on the site,....
                            SOLSAKS - dave
                            1976 J-10 HONCHO Fleetside
                            1982 J-10 Fleetside
                            1988 grand wagoneer
                            2004 RUBICON jeep
                            Benson, NC

                            Comment


                            • #15
                              Updates:

                              Mostly done. Awaiting for BJs rebuilt NP229.
                              Replacement 228 that came with it would not shift easily after rebuild and rather than troubleshoot, I shipped my Novak input shaft to them to be included with the correct TC for the vehicle. Will use twin stick shifters.

                              Here is my list:

                              Purchased 2/25/2022 2.72 gears (2013 Corvette with LS3 and 6l80e)

                              - [ ] Wire heated seats
                              - [ ] Fix exhaust leak welding
                              - [ ] Dakota Digital dashboard
                              - [ ] Crank position sensor learn-GM coupon. Program vss tooth count/gears/tires at same time 678-352-2000
                              - [ ] TC from BJ- [ ] ’s- sent in shaft
                              - [ ] Clean rims
                              - [x] Grill repair-metal brake
                              - [x] Durango wiper arm
                              - [x] Seats for rebuild foam and leather.
                              - [x] Rear wiper Durango replacement. https://www.fsjnetwork.com/forum/vie...hp?f=11&t=5534
                              - [x] Remove glass and lift mech
                              - [x] Rewire and replace switch.
                              - [x] AC fittings cut and crimp. HP side done.


                              - [ ] Bodywork and paint at mirror site, touchups
                              - [ ] Check trans fluid levels once running



                              Tailgate window remote
                              Install seat bolts
                              Exhaust system - Cherokee muffler 997 Reinhardt College 770-479-1801
                              Washer tank
                              O2 extender
                              Exhaust wrap
                              Power door lock re-wire
                              driveshafts- measured 36” rear and 29” front. Driveline services in Norcross or American DriveShaft 7704999804
                              Tap rims 10-32
                              trans fill when running
                              Bleed brakes
                              ZeroGravity reverse/NSS harness (Y is reverse lights into switch red out, black is NSS)
                              Tank mounting, reg mounting
                              Brake line fix, bleed and leak check, -3AN M to 3/8-24 F
                              reinstall grill
                              Ignition wire to GMPP. Attach a 12 volt ignition switch feed from the vehicle to the pink ignition switch wire in the harness (this is required to enable the proper power-up sequence of the ECM). This can be routed into the passenger compartment with the accelerator pedal connector and diagnostic link connector. Next, connect battery power (minimum 8 gauge wire) to one of the studs on the fuse relay center (3 studs are available, only 1 is required to be connected), and the harness installation is complete.
                              wiring harness install
                              Lt blue with round plug single- oil pressure- tan/wt in bulkhead connector
                              Violet-water temp- new sender ordered for radiator
                              6L80e yellow brake wire to brake wire on chassis Bl/bk G2
                              remove fog light brackets
                              canister connections- tank, intake, air intake
                              Fix trans pan, replace filter?
                              Twin stick to floor and linkage, open pan
                              Tcase vent line
                              Air intake 41” flex 4 hose
                              vacuum routing- booster, HVAC
                              Mount GMPP
                              Tighten all hoses to air intake

                              Systems:
                              cooling
                              HVAC
                              Emissions/Vacuum
                              Exhaust
                              Fuel
                              4Lo signal to ECM for VSS?
                              Prewire engine and transmission, test fit
                              Remove crossmember and clean
                              Remove seats, console, carpet, tunnel
                              Remove cc unit and wiring.
                              Remove remainder of alarm wiring.
                              228 front output seal
                              Engine filled with oil.
                              Tcase filled
                              Radiator hose reducer for water pump outlet. Oreilly 330
                              transmission cooler and lines
                              6L80e dipstick
                              Install shifters 5/8 holes for bushings
                              Tighten Case bolts 15 stubby
                              heater hose
                              Clean overflow tank
                              6l80e dipstick and tube from JRE ordered
                              3/4” cut from tail shaft
                              Twin stick install
                              6L83-c adapter
                              Air intake with MAF
                              TGW 1.5” filler hose, and vent line 3/4”
                              Fuel pump wiring
                              Summit TANKS LS Line Kit
                              Jegs 5/24/22 Lokar 1809, Jegs LS starter motor
                              BJS 5/22/22 : Motor mount for LS
                              BJs tank and pump
                              Novak 5/22/22 Radiator/Fan
                              Zero Gravity 5/24/22 CPSLS3EROD6L80E LS3/6L80e 4wd with acc drive 19421444
                              Door lock relays-BJs
                              Replace temp gauge
                              Overhead console- leave it. If it comes down again, solder connections
                              Fan and clutch replaced
                              Weld exhaust flanges
                              valve cover gasket
                              Replace front carpet-check wiring to overhead on driver B-pillar
                              Check Differentials 3.75 pints each 75w90 or 80w140
                              Tighten suspension bolts 30 shackle, 50 spring eye
                              Finish wiring tailgate: review instructions, Tailgate apart and check tracks. Remote? (Team GW) p412 wiring diagram, Delcity switch/wire
                              Rear camera install
                              Replace mirrors, check wiring/switch (Ebay) https://youtu.be/uVVyBorJy0Q p422 wiring diagram. p672 is XJ pinout, 674 is harnesses, ✓ E clip , 4 screws m6 20mm for mirror
                              Tune carb. Black soot in exhaust
                              Door lock actuators- clean and adjust, front doors
                              Clean and check cluster, replace bulbs
                              Replace NSS p756 wiring diagram- reverse lights not working
                              Coolant gauge- replaced sending unit x2, replace thermostat
                              Clean and check cluster, replace bulbs
                              weld frame at front drivers side above axle
                              Exhaust hanger
                              5.25” speakers. Amazon
                              Remove tint
                              Driver door: remove trim, fix mirror, speaker, window, lock
                              Passenger door: adjust window, lock
                              Tailgate: rebuild? Rear cam wire, relay kit

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