Series Gearbox questions

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  • slorocco
    2nd Gear
    • Feb 2007
    • 208

    Series Gearbox questions

    I purchased a replacement used gearbox for my series III 88" and started the swap this weeknd but ran into a snag. The gearbox/t-case came out of a Series III 109 with a 6cyl. Apparently the bell housings are different. The holes in the bellhousing are not in the right place to bolt up to the motor. So, heres my question. Are there any other differences I need to know about? Can I simply swap bell housings and bolt it in or are there other differences that would cause a problem?
  • SafeAirOne
    Overdrive
    • Apr 2008
    • 3435

    #2
    Originally posted by slorocco
    Can I simply swap bell housings and bolt it in or are there other differences that would cause a problem?
    Yes, swap bellhousings and you'll be all set (providing the clutch actuators are the same type).
    --Mark

    1973 SIII 109 RHD 2.5NA Diesel

    0-54mph in just under 11.5 minutes
    (9.7 minutes now that she's a 3-door).

    Comment

    • slorocco
      2nd Gear
      • Feb 2007
      • 208

      #3
      Thanks Mark, the clutch slave cyl looks to be about the same, I'll double check that to make sure.

      Dan

      Comment

      • SafeAirOne
        Overdrive
        • Apr 2008
        • 3435

        #4
        Originally posted by slorocco
        Thanks Mark, the clutch slave cyl looks to be about the same, I'll double check that to make sure.

        Dan

        It'd be obvious if it was the older style as it uses an inelegant frankenstien mechanism to actuate the clutch as opposed to the simple, clean slave cyilinder mounted to the bellhousing of the later style.
        --Mark

        1973 SIII 109 RHD 2.5NA Diesel

        0-54mph in just under 11.5 minutes
        (9.7 minutes now that she's a 3-door).

        Comment

        • luckyjoe
          3rd Gear
          • Oct 2006
          • 335

          #5
          Now-now Mark, you're just a bit sensitive after that ignition switch set screw...
          Tom P.
          1965 exMoD 109
          1995 RRC LWB w/EAS

          Comment

          • SafeAirOne
            Overdrive
            • Apr 2008
            • 3435

            #6
            Originally posted by luckyjoe
            Now-now Mark, you're just a bit sensitive after that ignition switch set screw...
            ..
            --Mark

            1973 SIII 109 RHD 2.5NA Diesel

            0-54mph in just under 11.5 minutes
            (9.7 minutes now that she's a 3-door).

            Comment

            • slorocco
              2nd Gear
              • Feb 2007
              • 208

              #7
              Originally posted by SafeAirOne
              It'd be obvious if it was the older style as it uses an inelegant frankenstien mechanism to actuate the clutch as opposed to the simple, clean slave cyilinder mounted to the bellhousing of the later style.
              Ok, I got it. I'm familiar with both and this is definitely the later style. I thought you were referring to something else being different between the 4 cyl and 6 cyl versions.

              Comment

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