69camaro535

i am building a 69 camaro with a 535 big block. i want to run twin turbos. i need maximum hp but still want it to be dependable.need advise on what size turbos would work. i want my power to be around 3000 to 8000 rpm.i am running a blow through carb. my headers are for a t4 turbo type. i would love to run a master power.help