need help with engine swap

hey evey one . i have a 1965 barracuda and im lookin to install a 99 5.2 engine in it . and im not to sure wat i will need to do so i no the mounts are different and im not to sure on wat tranny i can us and if i will be able to reuse the stock fuel injection system ? so if any one can help me out i would
appreciate it thanks.