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Planning For Major Surgery (3.0 to 3.4)

Discussion in '4Runners' started by Pacman 4Runner, Feb 12, 2012.

  1. Feb 12, 2012 at 8:28 AM
    #1
    Pacman 4Runner

    Pacman 4Runner [OP] Q RUNNER

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    Paul
    Ft Irwin
    Vehicle:
    90 V-6 4runner 4x4
    3in lift, 33's
    I need some suggestions so I can get my ducks in a row before I start this project!

    Ok so everyone says that the 3.4 from a late 90's tundra is a viable and fairly easy swap for a 3.0 in my '90 runner.

    I need some info on if it will bolt up to my manual trans, if I need to move motor mounts, swap computers and wiring harnesses and time and cost estimates for this endeavor???

    It's tax time and there are a lot of local junk yards that I should be able to find a viable engine from and I am fixin to have to dump some $$$ into my 3.0 unless I decide to do the swap so any suggestions and help that you can provide will be very much appreciated!!!
     
  2. Feb 12, 2012 at 8:42 AM
    #2
    H Bomb

    H Bomb Well-Known Member

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    SAS'd 92 Pickup/08 SR5 Tacoma
  3. Feb 12, 2012 at 10:28 AM
    #3
    Pacman 4Runner

    Pacman 4Runner [OP] Q RUNNER

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    Ft Irwin
    Vehicle:
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    3in lift, 33's
    Thanks a ton Heather...great info =) quite possibly any and all info I could ever need =)

    If anyone else is thinking about this swap check out the link that H Bomb gave me and check out Off Road Solutions site...they are out of business but keep their site up for tech info and way they will be selling some of their products through another party =)
     
  4. Feb 12, 2012 at 12:28 PM
    #4
    H Bomb

    H Bomb Well-Known Member

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    No prob! The Yotatech forum has a ton of info on the 90s rigs. I have been researching the 3.4 swaps a bit. Figure I'll go that route if my 3.0 ever needs more repairs than I want to do. Looks like a lot of work, but seems common enough that there is a lot of info and parts out there.
     
  5. Feb 12, 2012 at 6:56 PM
    #5
    Pacman 4Runner

    Pacman 4Runner [OP] Q RUNNER

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    First Name:
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    Ft Irwin
    Vehicle:
    90 V-6 4runner 4x4
    3in lift, 33's
    Yeah apparently Off Road Solutions makes three conversion kits for the swap and they shut down but they are keeping the web site operating for tech and they will post on their site when they are going to have other vendors selling their stuff.
     
  6. Feb 12, 2012 at 7:00 PM
    #6
    joes06tacoma

    joes06tacoma Well-Known Member

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    Central Coast, CA
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    06 4x4 Off Road Access Cab v6 6spd
    LEER Shell with dome lights operated with 3 way switches, aux backup lights with relay and 3 position switch, modified wiring to compass/temp display and clock to include switch that disables dimming function (poor man's DRL solution), Scan Gauge 2
    Find something else to drive while doing the swap. I've heard that the wiring is a huge undertaking. There used to be harnesses available, but as noted, the company that made the conversions kits is out of business. Hard to be patient and do things right the first time if you are riding the bus around town.

    Good luck and post pics! I keep seeing $800 4runners with blown 3.0s and I wish I had the space and time for this kind of project. Second gen 4runner with actual horsepower under the hood would be AWESOME!
     
  7. Feb 14, 2012 at 11:08 AM
    #7
    Pacman 4Runner

    Pacman 4Runner [OP] Q RUNNER

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    First Name:
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    Ft Irwin
    Vehicle:
    90 V-6 4runner 4x4
    3in lift, 33's
    Yeah i'm on the hunt for the supercharged 3.4 out of a T-100 for the project and will be collecting all the parts and accessories that I will need before I even think about removing my 3.0 =)
     
  8. Mar 25, 2012 at 4:06 PM
    #8
    peacefrog53

    peacefrog53 Member

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    I have a brand new 3.4l out of a '97 4runner. Bored to about 3.6l. Brand new everything, and dealer gapped.
     
  9. Mar 25, 2012 at 4:09 PM
    #9
    Taco me elmo

    Taco me elmo Who needs roads?

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    San Diego, CA
    Vehicle:
    2002 5VZ Daily Beater.
    Doug Thorley Headers, Magnoflow 24' muffler, URD short shifter kit, Fox coilovers re-tuned with Total Chaos Upper control arms in front set at 2.5 inch lift, 10 inch Fox rear shocks with resi in back with custom bedcage , Full front and rear Fiberglass, Slotted Tundra rotors with green stuff brake pads, Steel braided brake lines all around, Ultragauge OBDII, Sliders, Front and rear tube bumpers.
    It would make more sense and be cheaper to just sell your current 4runner and buy a 96+ with a 3.4 in it and all the updated goodies.

    I see them all the time for less than $4k
     
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