New user to this website so bear with me. I have a 12/70 240z and am in the middle of installing a 5-speed transmission from a '77 280Z. I know this topic has been batted around quite a bit, and I have read most all previous threads on this topic. I understand that to facilitate the later B-Type 4-speed or 5-speed transmission, one has to trim the frontmost part of the transmission tunnel and install the later boot from a 72-78 Z car. The reason is obvious once installed, as the transmission is