need help with my carb

[302crew]

i need help with my carb ive had fuel injection for years and i now decided to go fuel injection basicly i dont know **** about it I have the car running but i just dont feel its running like it should basicly i just took the carb out of the box bolted it on and thats it i dont know what to put my fuel pressure at or what to adjust so if anyone can help it would be very apriciated this is my setup mighty demon 650 carb with clear sight bowls and mechanical secondaries rmp air gap intake edelbrock 6037 heads long tube headers 306 bottom end xtreame flow air filter msd ignition 373 gears custom cam and 1.7rr. Also if anyone could give me some suggestions about where my oil is comming from would help i beat on my car and oil comes down the back of the oil pan i changesd the rear main seal and i also checked the intake and valve covers and there dry but its just when i run it hard thanks in advance for any help.