Mate the nav performed unreal,it copped a a flogging 80-100km and hr on the development corrugations and dips fully loaded ,it just ate it all up,the ironman gear performed well,it got t show me what stuff works and extra thing si need to do,(i.e i have hardwired led lighting in my tent,im going to add a 12v socket for the ipad to plug into for movies and another 2 switchs in the tent to control all the outside spotlights so the mssus dosent wake me up when she needs to go otuside in the middle of the night as well as lights for the dowstairs room) even with my open diffs only one recovery was done where i was complacent and ignored tat water gutter coming out of the wenlock were i nearly ended up against the bank i love the d40 cant wait to lock it and get the calmini kit