ranger tcase options

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    ranger tcase options

    looking at picking up a ranger with a bw1354, just wondering what my doubler options are or if I should look into an atlas? truck will be running 39s

    #2
    Behemoth I think is the only one supporting the RBV transfer cases. I have one in my Bronco II and have been very happy with it. Just a warning though, a lot of guys have been screwed by Behemoth (although my personal experience wasn't too bad), so proceed at your own risk.

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      #3
      Originally posted by tallan View Post
      looking at picking up a ranger with a bw1354, just wondering what my doubler options are or if I should look into an atlas? truck will be running 39s
      D&D machine used to make a doubler kit for those cases. Not sure of they are in business anymore.

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        #4
        Northwest Fab makes an adapter to go from the 5 bolt RBV case pattern to the more common 6 bolt. It would allow you to run just about any 6 bolt case. They have an option for both 23 and 31 spline spud shafts.

        http://www.northwestfab.com/25-Splin...it_p_2701.html
        88 Ford F-turd50 IDI Crawler

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          #5
          Originally posted by Toreadorranger View Post
          Northwest Fab makes an adapter to go from the 5 bolt RBV case pattern to the more common 6 bolt. It would allow you to run just about any 6 bolt case. They have an option for both 23 and 31 spline spud shafts.

          http://www.northwestfab.com/25-Splin...it_p_2701.html
          thats whats up
          Byro-
          Nothing is for sale man, I’m a curator of the finest junk.

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            #6
            Originally posted by Toreadorranger View Post
            Northwest Fab makes an adapter to go from the 5 bolt RBV case pattern to the more common 6 bolt. It would allow you to run just about any 6 bolt case. They have an option for both 23 and 31 spline spud shafts.

            http://www.northwestfab.com/25-Splin...it_p_2701.html
            That is good to know. If you do go that route though, most of the newer chain drive T cases don't fit very well in an RBV frame. Dana 18/20/300 should fit pretty well as well as an NP205. I think the NP208 fits the best out of the full size chain drive cases. I am not sure about how well an NP231 would fit, but it would probably work as well.

            The BW1354 is a pretty decent little transfer case though, and I like mine pretty well behind the doubler. That said, If I were starting from scratch again on another RBV, I would run a full size driveline (5.0L, ZF S5-42/47, and a Dana 20/300 or NP205).

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              #7
              something to think about for a 5.0 swap

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                #8
                A lot of people have put BW1345 and 1356 cases in since they tend to come attached to the 302s out of F150s that people like to swap in. If you clock it up so that the widest point is in the middle of the frame rail it fits but just barely.

                If you're starting from scratch the best option is probably to get a 302, M5OD and transfer case out of an F150.

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                  #9
                  If you adapt it to 6 bolt a 205 fits really nice in there if you're ok with a less than stellar low range. There are guys building 1354 diy doublers though that might be worth looking into, I've never had a problem with a manual shift 1354
                  Last edited by Hyde; 07-10-2020, 01:57 PM.

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                    #10
                    its on 4.86 right now with 37s...i could also re-gear down to 5.43s but not sure that will be enough low for technical climbing with 38-39s?

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                      #11
                      Originally posted by Hyde View Post
                      If you adapt it to 6 bolt a 205 fits really nice in there if you're ok with a kids than stellar low range. There are guys building 1354 diy doublers though that might be worth looking into, I've never had a problem with a manual shift 1354
                      what does a 205 have over a bw1354 though?

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                        #12
                        Originally posted by tallan View Post

                        what does a 205 have over a bw1354 though?
                        Stength and aftermarket, NP205 is an all gear driven case vs, the chain drive 1345. It is a heavy pig though, and the ~2:1 low range is not the best.
                        88 Ford F-turd50 IDI Crawler

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                          #13
                          Originally posted by tallan View Post

                          what does a 205 have over a bw1354 though?
                          In terms of sheer strength and the ability to crush rocks with the case, everything. You give up some low range ratio though.

                          If you plan on staying with a Ranger engine/trans I'd look into doubling the 1354.

                          Like the other guys said if you move to fullsize engine/trans the big chain cases don't fit in the frame well, that's why I brought up the 205

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                            #14
                            I know a guy on FSB who made a doubler out of an np208 to mate to his np208. But ot was full on custom.

                            Width wise, an np203/205 doubler should fit pretty well. Benefits are a full iron transfer case with 2:1 and 3.98:1 ratios. Kits are widely available to mate the two. Best bet is ford cases, but a dodge NP203 range box and output shaft can Be made to work with a ford NP205.

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                              #15
                              I have the northwest fab adapter then a 4 speed atlas in my sport trac. I personally went that way because I plan on a 5.0 swap and I can still use my atlas after the swap

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