I have a feeling that my truck has been reprogrammed in its former life... I was wondering if I should be able to hit 110 mph if I still have stock programming. I always thought that they governed at like 93 mph or so. It came out of a mine, and it dawned on me the other day, that maybe MSHA has certain emision criteria that would require the truck to be reprogrammed, and maybe that is a reason for the 14.5 mpg that I have been getting out of her at a reasonable 65 mph. Any takers?, Any suggestions?