i recently swapped out my 305 tpi motor for a 358 circle track motor and need help getting it tuned rite the problem is i dont no what cam or anyother of the durations for the motor are. the car runs now but i no its not making the power that its capable of im running stock injectors and the ecm isnt tuned, but stil overall the car runs real strong i purchased an adjustable mass air flow and an adjustable fuel pressure regulater, im running the stock injectors in it rite now and the car pings at med to high rpms in not pushing it real hard at all rite but would like to be able to gt the power out of the motor cus i no its there just wonderin if anyone can tell me what is my next step in getting the most out of the motor

 

Race engines in street cars are not a good idea. Buy a street engine for your street car. Since you don't know anything about what's in the 358, assume it's a full race engine and it's not streetable.