hi guys!!

i got an 86' 454 ci on my 76 camaro. i got edelbrock performer rpm air gap ractangular port , 850 carb demon and hedman headers 2" ceramic coated

i want to increase my hp to 650+ on street/strip. i want to know what cam should i choose and what do i need and i want to use nitrous oxide on my engine.

any suggestions?