PROBLEM SOLVED:
As Brendan described above the drawtube collar has been modified to allow 2inch MPCC to fit in perfectly without any obstruction. Furthermore, the 2" adaptor was cut to allow enough infocus. I have attached the instruction/design sheet Brendan composed and hope it helps future astronomers.
Thanks Brendan for your assistance I just wish I was in Perth so this transition into astrophotography would have been so much smoother.
Take Care and God Bless you all!
PS: Sorry for the late update life's been busy recently..