something is wrong!?

hey guys what do you guys think is wrong my car has 555 brake hp and weights with me in 3285 lbs 4.30 gears and caltracs and i only manage 6.94 97.56 mph 1/8 and in 1/4 11.02 119mph with 1,52 60 feet i think my final mph is to low with that power what is wrong?? happy for answer