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2nd Gen Tacoma 4.6 V8 1UR-FE and GX powertrain Swap

Discussion in '2nd Gen. Tacomas (2005-2015)' started by dpanibratets, May 22, 2022.

  1. Jan 17, 2023 at 10:08 AM
    #321
    Torspd

    Torspd Tor-nication

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    Until the crack and powder out, they're good.
     
  2. Jan 17, 2023 at 12:17 PM
    #322
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    I got all the seats out of the lexus. Currently working on carefully removing body wiring.

    20230117_115721.jpg
     
  3. Jan 17, 2023 at 12:34 PM
    #323
    SR-71A

    SR-71A Define "Well-Known Member"

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    What are the blue and pink lines? Rear HVAC?
     
  4. Jan 17, 2023 at 12:40 PM
    #324
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    I think they are sunroof drains.
     
  5. Jan 17, 2023 at 6:14 PM
    #325
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    Headliner and carpet are out. Heres where I stopped today.

    20230117_162955.jpg
     
  6. Jan 22, 2023 at 10:36 PM
    #326
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    I was doing more wire removal on the lexus and I came across these two modules, per the factory manual these are the wireless key interior antennas. No antennas, no start lol. Also they put a floor mounted airbag sensor adjacent to the left antenna in this pic (yellow cover). I will have to also figure where to mount that, in similar orientation, in the Tacoma cab.

    20230122_223103.jpg
     
    saf023, TnShooter and dumontrider like this.
  7. Jan 22, 2023 at 10:40 PM
    #327
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    Got some new fittings on the rear brake lines, the lines themselves are good, fittings were crusty. And got the extended stainless lines installed. I put some silicone and heat shrink over the fittings to prevent corrosion.

    20230121_183925.jpg 20230121_193714.jpg
     
    saf023, TnShooter, MA_TACO and 8 others like this.
  8. Jan 22, 2023 at 10:47 PM
    #328
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    I have a couple more sections to box in the frame. I ordered all oem new plastic brake line holders. Also I came up with a good idea about reusing the front brake lines off of the gx. Since the cross member has to be moved 3 inches back, I will need to use the GX460 brake lines. The tacoma brake lines has a sig sag bend right behind the cross member, so it would interfere with were I need to put the cross member. I will show you guys more once I get closer to having that fitted up. Also I will use the Tacoma Evap line but hook it up to the Lexus charcoal canister. It will be very nicely done.
    20230122_172746.jpg
     
    Last edited: Jan 22, 2023
    saf023, CowboyTaco, kimopods and 10 others like this.
  9. Jan 23, 2023 at 9:48 PM
    #329
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    Got more welding done today. I am very happy with how dimensionally accurate the DMZ fab kit was. Highly recommend.
    20230123_191623.jpg IMG_20230123_194423_764.jpg
     
  10. Jan 24, 2023 at 3:01 AM
    #330
    HAVOC

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    They are sunroof drains.
     
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  11. Jan 24, 2023 at 4:51 PM
    #331
    hx989

    hx989 Superunknown Member

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    Couple of questions:
    1) Does the intake manifold have a port for a traditional vacuum brake booster?
    2) Do you know what is is that makes this engine produce significantly more power in the sedan applications? Is is just a different intake manifold?
     
  12. Jan 24, 2023 at 5:38 PM
    #332
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    1. It doesn't appear to but I think you got a nice spot on top to drill into. Or possibly run a line from up stream.

    2. The car version is designated as 1UR-FSE and has direct and port injection whereas the truck engine is port injection only.

    20230124_173221.jpg 20230124_173133.jpg 20230124_173208.jpg 20230124_173159.jpg 20230124_173141.jpg
     
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  13. Jan 24, 2023 at 6:04 PM
    #333
    hx989

    hx989 Superunknown Member

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    1) Interesting! The Tundra application (& maybe Sequoia) must be using a slightly different intake then because the 4.6L Tundra has a vacuum brake booster.

    2) No, I’m not talking about the direct injection motors. This same 1urfe is rated for 342 hp at 6,400 rpm and 340 ft/lb at 4,100 rpm in the sedans.

    edit: I just looked it up. The cars use way different intakes and exhausts. LS models even have 2 MAFs for each side of the airboxes. Possibly different cam profiles too, but I couldn’t find any info on that.
     
    Last edited: Jan 25, 2023
  14. Jan 24, 2023 at 7:48 PM
    #334
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    Hmm interesting, for some reason I thought the cars were all fse. Now you got me curious if this engine can be tuned to that hp output.
     
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  15. Jan 24, 2023 at 8:08 PM
    #335
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    The gx460 has a redline of 5500 rpms. Whereas the cars rev to 6400 rpms. Theres your power difference. I wonder was mechanically is changed.
     
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  16. Jan 25, 2023 at 12:37 AM
    #336
    hx989

    hx989 Superunknown Member

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    I’m guessing shorter intake runners, maybe different throttle body, different ECM/tune & maybe different cams & valve springs. Though different I doubt that the exhausts account for much or any of the difference in output. Block is the same though, even for the direct injection version I believe. So yeah, the motor has potential for sure!

    I wonder if there’s tuning support for the GX460? Could just raise the redline. I’m sure the bottom end can handle it. 4 bolt mains, forged crank and rods!
     
    Last edited: Jan 25, 2023
  17. Jan 25, 2023 at 12:58 AM
    #337
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    I wish HP Tuners supported it but I couldn't find anything on their website. Orange Virus has a tune package but does not provide custom tuning according to their website.

    https://vftuner.com/collections/tune-packs/products/gx460-tune-pack
     
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  18. Jan 25, 2023 at 1:06 AM
    #338
    dpanibratets

    dpanibratets [OP] Well-Known Member

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    Check this out:
    https://xatracing.com/Bullet-1URFE-SC-Kit.html

    I think these guys are running this kit:
    https://www.youtube.com/watch?v=L1eFTedhH5M
     
  19. Jan 25, 2023 at 3:36 AM
    #339
    replica9000

    replica9000 Insert witty title here.

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  20. Jan 25, 2023 at 8:25 AM
    #340
    hx989

    hx989 Superunknown Member

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