Well, I build my own stuff when needed and you can learn a ton just researching this site and others. What exhaust you are gong to run is going to be key. I would not bother going much more an 500 CI unless you are running a good header type setup. With 540 cubes, big cam, headers, you can make 700HP no prob but now how long is your bravo drive going to survive? Think about your whole engine combo first and then build the best setup for what you need........ TBF

expect to spend three times ur budget.
i am right in the middle of thos right now, started thinking just like you are