408 on dyno, what will it make?

why does it start at 3800 ?
I didn't ask, and before I had thought of a lower rpm pull time was up. Actually I wasn't too concerned because a short part throttle pull at the beginning looked good. My timing curve wasn't all in till 4,000 rpm anyway. That curve was a shot in the dark; I was aiming for all in by 3,000,but missed. I figure a curve that comes in at 3,000 ought to work well with pump gas,especially if you get some poor gas.