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6 speed shenanigans. RA60F swap to RC62F

Discussion in 'Technical Chat' started by BillDaCat8, Jan 1, 2021.

  1. Jan 30, 2021 at 5:39 PM
    #121
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    Reverse switch is a gimme. Just swap them.

    C7587619-72A7-4644-BAA4-0DD20261CFA9.jpg
    AC7D2FDA-0A6A-4E30-90D5-21B689483F6B.jpg
     
    Last edited: Jan 31, 2021
  2. Jan 31, 2021 at 11:11 AM
    #122
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    I did a bunch of stuff yesterday. Just about all of it was clutch related and therefore posted up in the other thread.

    I did however set both transmissions side by side and swapped over the necessary brackets to hold the harness and vent tubes in place. A couple of them required minor massaging. No big deal.

    EDIT: hopefully these pics help. Basically you’re going to transfer the brackets I’ve circled and eliminate the ones I’ve crossed out. The plastic holders on the harness will need to be moved around a bit to line up.

    The LH O2 bracket needed a bit of trimming to get it to play nice with the casting of the RC trans. Take your time and only trim what you have to here to make it sit flat under the bolt head. The O2 bracket that came on the RC might actually work just fine. Maybe try it first and then decide.

    643B1A8B-7ECB-4016-A57F-5D20EE42A0AE.jpg
    F2AB45EE-AF2D-418E-8494-19B828F2F269.jpg
    00457C9C-C35C-4386-BA46-B4B34E6669F7.jpg
     
    Last edited: Feb 13, 2021
  3. Jan 31, 2021 at 11:25 AM
    #123
    Jowett

    Jowett Well-Known Member

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    That basic reverse switch design has been in use since the late 70's.

    I suspect this will be a common swap in the years to come.
     
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  4. Jan 31, 2021 at 6:04 PM
    #124
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    I’m betting it will be.

    Currently I’m on the home stretch with this whole thing. I do have a couple of other things that need taking care of while the truck is up on stands. Primarily the cat on the LH manifold that needs replacing. I spent the bulk of my day futzing with that.
     
    Last edited: Feb 7, 2021
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  5. Feb 6, 2021 at 6:23 AM
    #125
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    Cat is all replaced and welded up. Throwout bearing is completely installed and ready. Three bottles of gear lube on standby. Miscellaneous hardware and new exhaust gaskets acquired. I’m going to try to get this thing up and into the truck this weekend. Hopefully Sunday.
     
  6. Feb 6, 2021 at 7:11 AM
    #126
    Jowett

    Jowett Well-Known Member

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    There's a gear oil fill port on top of the transmission... allows easy fill and less mess as we can just wait for the oil to appear at the side fill/overflow. It's not easily accessible when the trans is installed.

    IMG_4039.jpg
     
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  7. Feb 6, 2021 at 1:57 PM
    #127
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    That's handy. Thanks for pointing that out. I was planning to either dump it into the shifter hole or pump it from the side.
     
  8. Feb 6, 2021 at 3:48 PM
    #128
    wrmathis

    wrmathis Dark Lord of the Sith

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    One thing you should do and this is coming from the fj case thread. Make sure the tcase input spline count and the transmission output spline count match up. The 2nd gen taco m/t tcase is 22 spline. The a/t is 23 spline.

    marlincrawler says the 3rd gen stuff is different. Just a heads up with all the talk about tcases in the FJ TCase thread and make sure you have everything correct.
     
  9. Feb 6, 2021 at 4:08 PM
    #129
    wrmathis

    wrmathis Dark Lord of the Sith

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    Here’s what I’m talking about.
    upload_2021-2-6_16-6-53.jpg

    We know that the ra60 is 22 spline. So I would make sure that the rc62f isn’t 19 spline like marlin keeps spouting. Especially if u go with A/T fj tcase or M/t awd fj tcase.
     
  10. Feb 6, 2021 at 4:26 PM
    #130
    Jowett

    Jowett Well-Known Member

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    They list it as 19 because several (should be 3, but I never counted) of the females splines on the transmission output do not exist. Toyota purposely omits them, leaving a path for oil flow into the center of the shaft. The 22 spline transfer input shaft slides right in.... always good to be careful, though.
     
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  11. Feb 7, 2021 at 9:31 AM
    #131
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    Like Brian says, spline count is skewed because of the three missing splines on the transmission side.

    RC62F output
    0CC70BCA-4BE6-49E4-B16B-31C2D8448A6A.jpg

    Transfer input
    795C45D6-B709-459B-A2E4-63CF7B9CB748.jpg

    They fit together no problem.


    For this round, I’m just putting the original transfer case back in behind the new trans.

    I do have dreams of the FJ’s M/T AWD case. But, that’s in the future.
     
    Last edited: Feb 7, 2021
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  12. Feb 7, 2021 at 9:33 AM
    #132
    wrmathis

    wrmathis Dark Lord of the Sith

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    and just like that, im glad someone finally has pics up for the third gen 6spd. should put alot of guess work and why cant i get a dang crawl box issues to rest
     
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  13. Feb 7, 2021 at 9:39 AM
    #133
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    If you need more pics, let me know ASAP. This thing is going into the truck today.
     
  14. Feb 7, 2021 at 9:40 AM
    #134
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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  15. Feb 7, 2021 at 10:12 AM
    #135
    wrmathis

    wrmathis Dark Lord of the Sith

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    oh no, that should be fine. we know the bolt pattern is the same, its always have come down to output shaft spline people have questions about.
     
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  16. Feb 7, 2021 at 11:21 AM
    #136
    6 gearT444E

    6 gearT444E CEO & CFO @BPF

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    is there even oil flowing that highs up at the input shaft? With seals on each end I did not even think oil was routed there
     
  17. Feb 7, 2021 at 11:35 AM
    #137
    Jowett

    Jowett Well-Known Member

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    There sure is... these trans have a really neat oil collection and distribution system.
     
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  18. Feb 7, 2021 at 11:36 AM
    #138
    6 gearT444E

    6 gearT444E CEO & CFO @BPF

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    thats good to know, thanks. Is the similar design on the oiling for the ra60f?
     
  19. Feb 7, 2021 at 12:37 PM
    #139
    Jowett

    Jowett Well-Known Member

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    Yes, same design.
     
  20. Feb 7, 2021 at 2:44 PM
    #140
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    Rolled it on under. Ended up pulling it back out and reversing the jack. I couldn’t get the angle I needed with it this way. I use an angle finder to set the angle of the trans to match the engine. Makes for a lot less futzing around when trying to stab a tranny.
    3DC0EB42-5374-470F-A709-6B8B2C4E28EA.jpg


    My progression trimming the hole in the floor to suit. I went slowly. It’s easy to remove material. Less so to replace it.
    EE6C3B5F-3330-4492-A07E-17FED8BF6F56.jpg
    EB7115FC-956F-4E25-88DC-4B847F3EE18F.jpg
    A6FE77C8-889B-4200-8B50-0E4CB800CF11.jpg
    D0065C6C-EA40-4C06-ACDF-1E2D6FC7BBE7.jpg
    42E26AEE-4090-46FD-B465-639DC9C7481D.jpg


    I separated the rubber booties and reversed the lower/inner one. Here you can see roughly where it will now live.
    32C553AB-0784-48A8-808A-54CA2E5D0A3F.jpg


    The floor editing continues. I rough cut a piece of sheet metal (stolen from the scrap of my bimmer project) and traced the opening I needed to close up onto that. Trimmed thusly 10mm larger and flanged it.
    5E6CED65-386F-4FF3-9F72-557909C440E8.jpg
    BEF6CE9F-DF81-4DC5-87A9-B59AA31AE5CB.jpg
    48C5F31A-60B2-46C9-A84B-E7186A1834EB.jpg
     
    Last edited: Feb 7, 2021

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