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  • Propshaft for gearbox swap

    I'm sure this has been asked before, but I want to change my ford 4 speed to a five speed. I've got the five speed gearbox, but I presume it's a bit longer than the four speed. So the propshaft will be too long.?
    Can someone advise me or point me in the right direction about shortening, or making a new one up first before putting the car up on the ramp.
    It's a YKC 1600 Sierra based car.

  • #2
    Re: Propshaft for gearbox swap

    Speaking from the shallows of my wisdom, I wouldmeasure the existing gearbox, then the new one. The difference is the propshaft modification. Or fit the gearbox then see how the propshaft needs modification. Its got to be done anyway. I believe a propshaft specialist is the best way to go. They will ask the questions to do what you need.

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    • #3
      Re: Propshaft for gearbox swap

      Thank you for that. I wondered what it said in the build manual

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      • #4
        Re: Propshaft for gearbox swap

        I can recommend North West Propshafts. They made me a propshaft by mail order to suit the same Ford 5 speed box and Sierra diff that you have.

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        • #5
          Re: Propshaft for gearbox swap

          Hi Chris. There is a place in Bath that do propshafts but I will have to look up the name.

          BTW I have replied to your PM. SW Meet for December is this coming a Sunday at Dartington Shops Christmas Fair. See SW Meets page for details.

          It would be good to see any other local Marlin owners too. Peter.

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          • #6
            Re: Propshaft for gearbox swap

            Hi Guys

            There are a couple of things that you need to know

            Propshafts have two UJ's and a sliding joint - you need all three - some gearboxes have the sliding bit as part of the gearbox - it only needs to slide about 8 mm
            I think the Ford 4 speed has the sliding joint as part of the gearbox - no idea at all about the 5 speed

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            • #7
              Re: Propshaft for gearbox swap

              The front (sleeve) which locates on the splined shaft of the gearbox also differs between 2000 and 1600. (smaller dia )

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              • #8
                Re: Propshaft for gearbox swap

                If you are in the south west then contact these guys in Bristol. They have done a couple for me over the years. They did the original roadster prop when I built with 1300 engine back in 1986 then re-imagined it for the Fiat twin cam transplant in 1990.
                They were good back then and still get great reviews on other forums today.
                Mk2 SWB Marina Roadster with a 1800 Fiat Twin Cam engine and 5 speed Abarth gearbox built in 1987
                - I have no idea what I am talking about........ but my advice is always free! -

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                • #9
                  Re: Propshaft for gearbox swap

                  Originally posted by scott h View Post
                  I can recommend North West Propshafts. They made me a propshaft by mail order to suit the same Ford 5 speed box and Sierra diff that you have.

                  http://www.northwestpropshafts.com/car-and-motorsport
                  Seconded!

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                  • #10
                    Re: Propshaft for gearbox swap

                    Originally posted by greyV8pete View Post
                    Hi Chris. There is a place in Bath that do propshafts but I will have to look up the name.

                    BTW I have replied to your PM. SW Meet for December is this coming a Sunday at Dartington Shops Christmas Fair. See SW Meets page for details.

                    It would be good to see any other local Marlin owners too. Peter.

                    The company that I was trying to remember is Chard Engineering as per Jon cox earlier info in post #8.


                    Peter

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                    • #11
                      Re: Propshaft for gearbox swap

                      Thanks. I was wondering about that. My five speed is from a 1.6 Capri but has a large diameter shaft. My current box I haven't yet seen, on the bench.

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                      • #12
                        Re: Propshaft for gearbox swap

                        When I swapped mine the propshaft was ok for length. I thing there is a 1cm difference in the length required and it was easily taken up by the sliding joint
                        Mk2 SWB Marina Roadster with a 2.0L Pinto built in 1986

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                        • #13
                          Re: Propshaft for gearbox swap

                          Hi Chris,

                          Nothing to do with your propshaft I brought the roadster off you. sorry lost your email and contact details. just thought you would like an update. engine and gearbox and back in the panels have all been painted black with red pearl.

                          when i get back home from holiday will start to put all together ( my aim is to have it on the road by easter)

                          DVLA came to the party and the V5 has been updated from the marina to show a 1972 marlin roadster.

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                          • #14
                            Re: Propshaft for gearbox swap

                            Originally posted by kiwi009 View Post

                            DVLA came to the party and the V5 has been updated from the marina to show a 1972 marlin roadster.
                            Surely this can't be right as the Marlin Roadster was only launched in 1979?

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                            • #15
                              Re: Propshaft for gearbox swap

                              I assume you still have the Marina Reg number? My '78 Roadster has the Marina plate and Vin Number. I don't know its actual date of birth '80 something I supose. Won't yours be tax free now? Mine should be soon. Are the DVLA being very cooperative now?

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