Before you get disappointed or overly exited, dyno's vary, a lot.
The reason to dyno an engine is to safely break it in and tune it properly in a controlled environment. It also gives you a baseline to measure any changes you may want to make while it on the dyno or later on down the road. I wouldn't be too concerned with what the dyno reads. Again, it may wow you or humble you. Let the timeslip be the ting that wow's you and truly proves the combo was worth the money.
To give some perfective on this. My engine in my last car made 467/514 at the crank and runs high 11's. My current car with a similar engine combo makes 314/550 at the wheels. It runs high 11's. 11.74@114 to be exact.
