1983 F350 6.9 IDI i need your HELP!
 

i have a 1983 F350 6.9 IDI and i had it for 3 days an had to put new injectors in i took then back down to stock cause i was told there were over sized injectors in it from the start. so i did that an drove it for a week and then it blow a lot of white smoke and then ran away on when i pushed the clutch in i have no clue why or what caused it but is leaks from the front of injector pump where is bolts on. is there any one on here that can help me ASAP??