if you are running the big intake pipe and k&N filter maf may just be dirty clean it with brake cleaner if you could see sensor wire with a magnafyingng glaass it will look like it has hair growing on it
1 2 shift
change the tranney fiuid using 1qt atf finish the fill with 80/90 gear oil in colder climits use more atf redline 75 works as well but its $$$$$