oops, I didn't pay close enough attention to your post Alan. Early 2003 models had the 7.3 with 4r100 still in them, and later 2003 had the 6.0 with 5r110. you obviously were referring to the 5r110, i was referring to the 4r100. you are correct, the 5r110 is actually a 6 speed but the shift...