to a certain degree yes, that is true. but both are just numbers measured by a device with too many variables. with racing motors, we can get the dyno to read whatever we would like it too. we have had motors that perform great on the track but dont read half as great on the dyno as the motor that lacks some serious power on the track. different numbers from dyno to dyno across the nation dont mean shit. if you were to stick them all on the same dyno in a controlled environment, then that is a different story. but dyno numbers dont really mean too much. it can let you know if you are in the ballpark, but youi dont know shit until you hit the track.