We have a few replies! No, you do not have to be driving. It does not even have to be your truck. I like to look at the miles on the stuff at Pick-A-Part too.
I had 2 3.0 Runners last year the 88' had 280,000 blown head gasket. The 90' with 70,000 and a busted piston rod (lady drove with no oil). My crawler has 155,097 84' xtra-cab pu 22RE.
Let's see a pick of a real high number!