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6 speed shenanigans. RA60F swap to RC62F

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

  1. Jan 2, 2021 at 11:12 AM
    #21
    Camby

    Camby Well-Known Member

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    Wouldn't mind having 2 overdrives in my tranny as well....dang. But also like RA60's First gear ratio....
     
  2. Jan 2, 2021 at 11:37 AM
    #22
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    That means that the 2nd gen Tacoma transfer case would bolt right up to the RC62F. That’d be awesome! I’d get to keep my 2lo capability and avoid any wiring snafus. Win.

    I think I’m going to locate one of these trannys to play with.
     
  3. Jan 2, 2021 at 11:39 AM
    #23
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    I hear ya there. But, it’s not that much different. I’m betting you’d get used to it within a few days of driving it.
     
  4. Jan 3, 2021 at 9:16 AM
    #24
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    Hey @Jowett

    Do you still have the RC62F out of your truck? If so, or if you know, what is the diameter of the quill? I’m guessing/hoping that it’s the same as the RA60F, but want to be sure.
     
  5. Jan 3, 2021 at 9:18 AM
    #25
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    My shit is all stock.
    I crawled all over that site. Can’t find any mention of Toyota applications at all.
     
  6. Jan 3, 2021 at 9:38 AM
    #26
    Jowett

    Jowett Well-Known Member

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    35mm dia, 84mm long.
     
  7. Jan 3, 2021 at 10:10 AM
    #27
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    Thank you again.

    So, same diameter, but, a bit longer. That’s easy enough. Just need to make a longer spacer to adapt the Tilton hydro bearing then.

    Just because I’m potentially switching transmissions doesn’t mean I’m out of the woods with the whole release bearing thing.
     
    Last edited: Jan 6, 2021
  8. Jan 3, 2021 at 2:17 PM
    #28
    Torspd

    Torspd Tor-nication

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    There aren't but you had mentioned T56. It would all be adapted. You could always see what Atlas or Marlin has for a Magnum. I think Pirate4x4 forum has good info.

    You'd have to have the bell housing adapter from URD.

    None of this route is cheap.
     
  9. Jan 3, 2021 at 2:25 PM
    #29
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    I did more digging around. It also seems that the RC62F bell housing could possibly be used to adapt a T56. Would just need to make an adapter plate. But, like you say, not cheap to do the whole job. I already feel a little crazy for even considering a new RC62F. ($3200)
     
  10. Jan 3, 2021 at 3:32 PM
    #30
    Jowett

    Jowett Well-Known Member

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    I'm not sure if the 1GR and 2GRFKS have the same bolt pattern.
     
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  11. Jan 3, 2021 at 4:24 PM
    #31
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    I don’t know for absolutely sure that they do either. I thought that I’d read a post by @Jeff Lange that said that the fks in the Tacoma was in fact the same bolt pattern as the 1gr. He seems pretty knowledgeable about this sort of thing. I suppose there’s other ways to find out for sure though.

    6D291180-0908-4444-8AF5-FB683B5B31F4.jpg
     
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  12. Jan 3, 2021 at 4:44 PM
    #32
    Jowett

    Jowett Well-Known Member

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    Yes, Jeff is very knowledgeable, and I do hope his info is correct.
     
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  13. Jan 3, 2021 at 5:44 PM
    #33
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    You and I both!
     
    Last edited: Mar 23, 2021
  14. Jan 3, 2021 at 6:33 PM
    #34
    Torspd

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    Pictures of the rear of each engine, side by side, or both bell housings?
     
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  15. Jan 4, 2021 at 2:41 PM
    #35
    BillDaCat8

    BillDaCat8 [OP] Well-Known Member

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    I stood under a couple of these trucks today and had a good long look. It's the same pattern.

    So, I ordered a tranny.

    We're gonna see...
     
  16. Jan 4, 2021 at 2:46 PM
    #36
    rheath08

    rheath08 Well-Known Member

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    @BillDaCat8 you're ordering the rc62f out of the 3rd gen trucks, correct?
     
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  17. Jan 4, 2021 at 2:48 PM
    #37
    Torspd

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    Exciting!!!
     
  18. Jan 4, 2021 at 3:04 PM
    #38
    wrmathis

    wrmathis Dark Lord of the Sith

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    :eek::thumbsup::bowdown:
     
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  19. Jan 4, 2021 at 3:42 PM
    #39
    Athlaos

    Athlaos Cthulhu is my co-pilot

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    Stuff you probably shouldn't try at home. Check build.
    Your next level of impulse buying is truly inspiring.
     
  20. Jan 4, 2021 at 4:23 PM
    #40
    Jowett

    Jowett Well-Known Member

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    Excellent! This is good stuff.

    I'll probably have my RC62F available at some point.... will need the bellhousing and bearing support/quill.

    The only downfall of the RC62 is the 3.38 reverse gear ratio, vs the 3.67 in the RA. The 60 and 61 variants take care of that plus the .64 6th.
     
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