1968 912 porsche i need help plz read
 

ok i have a 1968 912 porsche and i want to make it a fast better car i got the car for free from my parents nad i dotn feel like selling i like porsche out of all other cars and i wanted to know what i could do to make it fast . so far i know if i put a new motor in the car i will have to add new tran and i willign to do that but i want a more up to date PORSCHE motor so what kinda of motor should i try to get my hands on and what tran will i need i want a motor that in the futer i cna add turbo col air intake and other things like that.plz help and if this is to costly what do u think the car is worth the motor was jsut re done and the body has comply been removed of rust ateq vt55 obdii