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Thread: TTB MJ

  1. #1
    Wheeler
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    TTB MJ

    Picked up a 1989 Jeep Comanche 2wd long-bed from a friend in October. Front end damage had snapped the passenger knuckle, bent the upper & lower control arms and pushed the axle into the oilpan. I already have a straight axled toyota, and I decided a TTB build was in the making.

    Want to start off this thread saying big thanks to my pal Jesse for letting me use his already cramped 1 car wide X 2 car deep garage & driveway space and for all of the help with the TTB swap. Couldn't have done it without him!

    Current progress picture:



    Vehicle specs(so far):
    -1989 jeep Comanche pioneer long bed
    -4.0 inline 6 motor
    - Dana 44 TTB front axle(open 4.88s) 2.5 king coilovers and airbumps
    -ford 9" fully trussed, Nodular third member & billet Pinion support, 35 spline chromoly spool, 35 spline chromoly shafts, 4.86 gears, disc brakes, pinion skid
    -ruffstuff URC trailing arms king 2.5 14" dualrate coilovers & 2.5 4" bumps



    scroll to see what a couple of 22 year old dudes are building in the driveway!

    Here's it the day I bought it

    Last edited by Toymerica; January 20th, 2019 at 09:36 PM.

  2. The Following 2 Users Like Toymerica's Post:

    Deluxxx (December 31st, 2015), frdtrkguy (December 31st, 2015)

  3. #2
    Wheeler
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    While it was sitting on the curb, I picked up a non-op 1980 ford bronco off of Craigslist:

    Scored in a big way with this thing. Ended up with a complete Dana 44 TTB, a ford 9" rear end, 5 bfg 33" ats on aluminum wheels, extended radius arms and Deaver F64 leaf packs.

  4. The Following User Likes Toymerica's Post:

    frdtrkguy (December 31st, 2015)

  5. #3
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    Once the bronco was dismantled, I started working on the Comanche every Saturday and Sunday I could if I didn't have work or college to catch up on.

    Got the 2wd front axle out. Cut out, bent, and welded in some 3/16" plate for frame stiffeners.


  6. The Following 2 Users Like Toymerica's Post:

    frdtrkguy (December 31st, 2015), Toyota_James (January 1st, 2016)

  7. #4
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    TTB MJ

    Grinded the beams down, ready for added plating, and made the start of the beam pivot crossmember. Plate is 3/16, axle pivot tabs are 1/4"


  8. The Following User Likes Toymerica's Post:

    frdtrkguy (December 31st, 2015)

  9. #5
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    Then came the fun, measuring, remeasuring, eyeballing and bending the 1&3/4" .250 wall DOM tubing for the cross member.

    Got the front half bent up, and checking clearances(very tight squeeze)



    Holding the third member up in there to check angles and clearances



    Using a good ol' straight edge to figure out what angle to bend and notch the back half at so it catches the inside frame frail


  10. The Following User Likes Toymerica's Post:

    frdtrkguy (December 31st, 2015)

  11. #6
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    TTB MJ

    Here we have the rear support member in place looking good & both tubes tacked to the beam pivot plate we started with

  12. The Following User Likes Toymerica's Post:

    frdtrkguy (December 31st, 2015)

  13. #7
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    Here's the crossmember before welding it all up. We out that thing in and out with the jack a handful of times to make sure everything fit exactly where we wanted it and grinding the ends to finalize the notches.




  14. The Following User Likes Toymerica's Post:

    frdtrkguy (December 31st, 2015)

  15. #8
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    plasma'd out some gussets for the cross member and Jesse got it welded up





  16. The Following User Likes Toymerica's Post:

    frdtrkguy (December 31st, 2015)

  17. #9
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    We got the cross member tacked to the frame in place. Such a tight fit on the oil pan.




  18. The Following User Likes Toymerica's Post:

    frdtrkguy (December 31st, 2015)

  19. #10
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    Also got the beams plated, and starting putting them in to do some cycling, and figure out radius arm mount location.


  20. The Following User Likes Toymerica's Post:

    frdtrkguy (December 31st, 2015)

  21. #11
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    TTB MJ

    Beams were in then it was time for radius arm modification and brackets.

    Started off with stock sky jacket radius arms that I got off that bronco;



    Hacked them, added a piece of tubing we bent to get the right angles, and put some Barnes 4x4 enduro joints on them. Plasma'd Out the brackets and got them all in.


  22. The Following User Likes Toymerica's Post:

    frdtrkguy (December 31st, 2015)

  23. #12
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    Time for shock hoops. Plasma'd out holes in the inner fenders for everything, bent up the hoops, tabbed them, and build a removable over the engine shock hoop cross member as well.


  24. The Following User Likes Toymerica's Post:

    frdtrkguy (December 31st, 2015)

  25. #13
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    Got my ORI struts in and cycling them to make sure everything is good to go


  26. The Following 6 Users Like Toymerica's Post:

    Dennis (December 31st, 2015), frdtrkguy (December 31st, 2015), locrwln (December 31st, 2015), Paul123 (December 31st, 2015), Sierra Valley (December 31st, 2015), Toyota_James (January 1st, 2016)

  27. #14
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    TTB MJ

    Wow, really solid work so far. I really like the idea, and especially the execution. I haven't seen ORIs on TTB before, seems like a great solution to the packaging mess it usually is. Subscribing to see where it goes.
    Last edited by turbobrick; December 31st, 2015 at 11:47 PM.

  28. #15
    I support Reno4x4!
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    Cool! I just got back from prerunning the Baja 1000 with a friend that has TTB under his XJ and it worked great.

  29. #16
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    Quote Originally Posted by turbobrick View Post
    Wow, really solid work so far. I really like the idea, and especially the execution. I haven't seen ORIs on TTB before, seems like a great solution the the packaging mess it usually is. Subscribing to see where it goes.
    Thanks! Its been going pretty smoothly so far! Lots more work to do here before summer comes. I decided to give the ORIs a go and see how they do. If it turns into a full dessert truck in the future then I'll have to go to coilovers & bypasses.

  30. #17
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    Quote Originally Posted by Dirty Harry View Post
    Cool! I just got back from prerunning the Baja 1000 with a friend that has TTB under his XJ and it worked great.
    So sick! I'm going to DD this Comanche for a while and use it mainly as a go-fast/overland rig for now, and have high hopes of turning into a dessert truck later in its life.

  31. #18
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    It looks bad ass. Will be fun.

  32. #19
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    Hammered out the single swing set steering yesterday. 3/16 plating for the swinger.

  33. The Following User Likes Toymerica's Post:

    Dirty Harry (January 3rd, 2016)

  34. #20
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    TTB MJ

    1&1/2" .250 wall Dom links. Heimed all around. And welded up the pitman arm for a double shear setup.

    Full droop

    Ride height

  35. The Following User Likes Toymerica's Post:

    Dennis (January 2nd, 2016)

  36. #21
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    Almost full bump

  37. #22
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    TTB MJ

    Got the TTB MJ on her feet late last night. Running 33s for now. ORIs charged and ready to go out for a shake down test around the neighborhood. But whoever owned it before me mixed the damn coolant too diluted so everything was slushed/frozen up. Gotta get it thawed, drained, flushed & changed and hope nothing in the coolant system broke.

  38. The Following 4 Users Like Toymerica's Post:

    Deluxxx (January 2nd, 2016), frdtrkguy (January 2nd, 2016), gird123 (January 2nd, 2016), Toyota_James (January 2nd, 2016)

  39. #23
    Wheeler
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    TTB MJ

    Got the front end of the TTB MJ all set up, and drove it from my buddies house back to mine. Truck handles super well on the road.

    Front is set 1" lower than where it will be. Rear is still the stock d44 and stock height. I gotta get going on my 9" axle and Deaver springs to get the rear caught up to the front.

    She's looking pretty sweet though:




    Oh yeah and I gotta make a scrap run to get rid of all the stock take off stuff.

    Last edited by Toymerica; January 3rd, 2016 at 02:35 PM.

  40. The Following 3 Users Like Toymerica's Post:

    gird123 (January 3rd, 2016), MARKUNIT10 (January 3rd, 2016), turbobrick (January 3rd, 2016)

  41. #24
    Web Wheeler
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    That is one of the nicest things about a MJ. Play truck and work truck at the same time. I liked taking mine to the dump, always ended up sidetracked and wheeling after emptying the bed.

  42. The Following User Likes turbobrick's Post:

    Toymerica (January 3rd, 2016)

  43. #25
    Web Wheeler
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    Looks damn cool!
    O' cruel fate, to be thusly boned! Ask not for whom the bone bones - it bones for thee. -Bender

  44. The Following User Likes Deluxxx's Post:

    Toymerica (January 3rd, 2016)

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