just got my baby (55 210 hardtop post) and starting to figure out what i have and what has been done to her over the years as it appears shes been molested bad. Tran i figured out is a 350Turbo but the motor is in ? stamp on block is K0403DTW then 39D470056. i cant find any thing to say what i got. 1 says 305 another says 350 autozone has no clue i know its correct number as a few others have same markings trying to figure what they have. thks for any help. will post pics of my poor ole girl soon.