This is where NOT spending $500 or whatever on your $10K + build to dyno it is suddenly worth every penny. How high does it "want" to rev? Oh wait the dyno would tell you exactly what your powerband is. A good operator could tell you what to expect in the car too.
I bet that engine with I'm assuming are unported Edelbrock heads isn't making much over 400-420HP which will be fun but not near enough with out a perfect chassis and driveline for 11's. I bet you have a mid 12 ride as it sits. Let us know what you find. J.Rob