|1) add a 6th gear to an existing transmission case that was originally designed as a 5 speed.
2) design a robust, functional, sequential shifting mechanism into the same transmission case.
3) invest in the entire project to bring it into reality.
At the same time, I applaud the same work it took to adapt the T56 into the Z32/VG platform. It all goes to show where there's a will, there's a way.