Well other than my fuel issues i noticed whenever i drive the truck that it runs the rpms up a little high in first before shifting to second. I dont have a tach so i dont know how much. But usually if i let off a little it will shift but if i keep in it just normally driving it will run up. And when it shifts it shifts kinda hard. The rest of the gears shift nice and smooth. Also reverse clanks into gear real hard. Hard enough that if i leave my foot off the brake it will chirp the 35s sometimes. When i bought it he showed me a recpiept of having it rebuilt about 2000 miles ago. But the trans and transfer case both leak a little. I know the previous owner was a little rough on it. Is there any adjustment i can do? Or do i need to have it redone again?