Longevity of 2.5n/a engine, and LT77 gearbox - followup

Thanks to Mark, Huw (and M0bcg) who responded with their thoughts. Sounds like the 2.5na and lt77 in my 110 can be a very long-lived drivetrain combination indeed, with proper driving technique and attention to maintenance. I noted the oils you put in your gearbox/transfer box Huw, and will look for these. I presently have semi-synthetic lubes in mine. Like many, I read Robert Pirsig's Zen and the Art of Motorcycle Maintenance years ago, and parts of it have always stayed with me, especially his approach to preventative maintenance of a vehicle, taking responsibility for maintaining one's vehicle, the notion of Quality (of design and of maintenance practice). I find that all of his principles apply very well to Land-Rover ownership. Obviously, owner maintainability depends in part on a reasonably straightforward, simple design (one that is readily understandable by a non-professional home mechanic), something with the Land-ROver possesses a great deal of, which is one of the reasons I choose to drive one (well, a 110 anyway, since later LR models have obviously strayed from that simplicity and user-maintainability, in favour of SUV market share, comfort, and on-road performance). All the best and Season's Greetings to all from Canada! --Robert