OK so i've got this issue sorted now.
I put prothanes into the front dogbone and wedged a doughnut of a prothane into the transmission mount to stop it being able to allow the box to shift backwards. No more rubbing.
I put prothanes into the front dogbone and wedged a doughnut of a prothane into the transmission mount to stop it being able to allow the box to shift backwards. No more rubbing.